Officers and Faculty | Caltech Academic Catalog

Thomas F Rosenbaum, Ph.D.
President; Sonja and William Davidow Presidential Chair; Professor of Physics
A.B., Harvard College, 1977; M.A., Princeton University, 1979; Ph.D., 1982. Caltech, 2014-; President, 2014-.

Carlos E Abad Andrade, Ph.D.
Visiting Associate in Chemistry
B.S., Central University of Venezuela, 2006; Dip., University of Goettingen, 2009; Ph.D., Humboldt University of Berlin, 2019. Caltech, 2021-22.

John N Abelson, Ph.D.
George Beadle Professor of Biology, Emeritus
B.S., Washington State University, 1960; Ph.D., Johns Hopkins University, 1965. Professor, Caltech, 1982-91; Beadle Professor, 1991-2002; Beadle Professor Emeritus, 2002-. Chair, Division of Biology, 1989-95.

Yaser Abu-Mostafa, Ph.D.
Professor of Electrical Engineering and Computer Science
B.Sc., Cairo University, 1979; M.S.E.E., Georgia Institute of Technology, 1981; Ph.D., Caltech, 1983. Garrett Research Fellow in Electrical Engineering, 1983; Assistant Professor, 1983-89; Associate Professor, 1989-94; Professor, 1994-.

Rana Adhikari, Ph.D.
Professor of Physics
B.S., University of Florida (Gainesville), 1998; Ph.D., Massachusetts Institute of Technology, 2004. Assistant Professor, Caltech, 2006-12; Professor, 2012-.

Jess F Adkins, Ph.D.
Smits Family Professor of Geochemistry and Global Environmental Science
B.S., Haverford College, 1990; Ph.D., Massachusetts Institute of Technology, 1998. Assistant Professor, Caltech, 2000-06; Associate Professor, 2006-10; Professor, 2010-16; Smits Professor, 2017-.

Ralph Adolphs, Ph.D.
Bren Professor of Psychology, Neuroscience, and Biology
B.S., Stanford University, 1986; M.S., 1986; Ph.D., Caltech, 1993. Professor of Psychology and Neuroscience, 2004-05; Bren Professor, 2005-; Professor of Biology, 2005-17; Davis Leadership Chair, 2017-21; Director, Caltech Brain Imaging Center, 2008-13, 2017-21.

Andreas Aebi, Ph.D.
Lecturer in German
M.A., University of Southern California, 1970; Ph.D., 1974. Lecturer in French, Caltech, 1978; Instructor in German, 1983-1986; Lecturer in German, 1978-83; 1986-.

Theodor Agapie, Ph.D.
Professor of Chemistry; Executive Officer for Chemistry
B.S., Massachusetts Institute of Technology, 2001; Ph.D., Caltech, 2007. Assistant Professor, Caltech, 2009-14; Professor, 2014-; Executive Officer, 2021-.

Piyush S Agram, Ph.D.
Visiting Associate in Geophysics
B.Tech., Indian Institute of Technology of Madras, 2004; M.S., Stanford University, 2006; Ph.D., 2010. Caltech, 2014-23.

Marina Agranov, Ph.D.
Professor of Economics
B.A., St. Petersburg State Technical University, 1999; M.A., Tel Aviv University, 2004; Ph.D., New York University, 2010. Assistant Professor, Caltech, 2010-17; Professor, 2017-.

Channing C Ahn, Ph.D.
Lecturer in Applied Physics and Materials Science; Staff Research Scientist in Applied Physics & Materials Science
B.S., University of California, 1979; M.S., 1981; Ph.D., University of Bristol, 1985. Senior Research Fellow, Caltech, 1987-92; Senior Research Associate, 1992-2014; Lecturer, 1988; 1990-2009; 2010; 2016-2022.

Arden L Albee, Ph.D.
Professor of Geology and Planetary Science, Emeritus
A.B., Harvard College, 1950; A.M., Harvard University, 1951; Ph.D., 1957. Visiting Assistant Professor, Caltech, 1959-60; Associate Professor of Geology, 1960-66; Professor, 1966-99; Professor of Geology and Planetary Science, 1999-2002; Professor Emeritus, 2002-. Academic Officer, Geological and Planetary Sciences, 1971-79; Chief Scientist, Jet Propulsion Laboratory, 1979-84; Dean of Graduate Studies, 1984-2000.

Jason Alicea, Ph.D.
William K. Davis Professor of Theoretical Physics
B.S., University of Florida, 2001; M.A., University of California (Santa Barbara), 2005; Ph.D., 2007. Associate Professor, Caltech, 2012-15; Professor, 2015-22; Davis Professor, 2022-.

John M Allman, Ph.D.
Frank P. Hixon Professor of Neurobiology
B.A., University of Virginia, 1965; A.M., University of Chicago, 1968; Ph.D., 1971. Assistant Professor, Caltech, 1974-77; Associate Professor, 1977-84; Professor, 1984-89; Hixon Professor, 1989-.

Paolo Aluffi, Ph.D.
Visiting Professor in Mathematics
M.S., University of Turin, 1983; Ph.D., Brown University, 1987. Professor, Florida State University, 2000-. Caltech, 2008-22.

R M Alvarez, Ph.D.
Professor of Political and Computational Social Science
B.A., Carleton College, 1986; M.A., Duke University, 1990; Ph.D., 1992. Assistant Professor, Caltech, 1992-95; Associate Professor, 1995-2002; Professor, 2002-.

Aaron D Ames, Ph.D.
Bren Professor of Mechanical and Civil Engineering and Control and Dynamical Systems
B.S., University of St. Thomas, 2001; B.A., University of St. Thomas, 2001; M.A., University of California, Berkeley, 2006; Ph.D., 2006. Lecturer, Caltech, 2007; Professor, 2017; Bren Professor, 2017-.

Qi An, Ph.D.
Visiting Associate in Chemistry
B.S., University of Science and Technology of China, 2002; M.S., 2007; M.S., California Institute of Technology, 2009; Ph.D., 2012. Caltech, 2018-23.

Animashree Anandkumar, Ph.D.
Bren Professor of Computing and Mathematical Sciences
B.S., Indian Institutes of Technology, 2004; Ph.D., Cornell University, 2009; Visiting Associate, Caltech, 2017; Bren Professor, 2017-.

Richard A Andersen, Ph.D.
James G. Boswell Professor of Neuroscience; T&C Chen Brain-Machine Interface Center Leadership Chair; Director, T&C Chen Brain-Machine Interface Center
B.S., University of California (Davis), 1973; Ph.D., University of California (San Francisco), 1979. Boswell Professor, Caltech, 1993-; Chen Brain-Machine Interface Center Leadership Chair, 2017-; Director, 2017-.

David J Anderson, Ph.D.
Seymour Benzer Professor of Biology; Tianqiao and Chrissy Chen Institute for Neuroscience Leadership Chair; Investigator, Howard Hughes Medical Institute; Director, Tianqiao and Chrissy Chen Institute for Neuroscience
A.B., Harvard University, 1978; Ph.D., Rockefeller University, 1983. Assistant Professor, Caltech, 1986-92; Associate Professor, 1992-96; Professor, 1996-2004; Roger W. Sperry Professor, 2004-09; Benzer Professor, 2009-; Chen Institute for Neuroscience Leadership Chair, 2017-; HHMI Investigator, 1989-; Director, 2017-.

Jose E Andrade, Ph.D.
George W. Housner Professor of Civil and Mechanical Engineering
B.S., Florida Institute of Technology, 2001; M.S., Stanford University, 2003; PhD, 2006. Assistant Professor, Caltech, 2010; Associate Professor, 2010-13; Professor, 2013-17; Housner Professor, 2017-; Drinkward Leadership Chair, Department of Mechanical and Civil Engineering, 2017-22; Executive Officer, 2016-22.

Fred C Anson, Ph.D.,D.h.c.
Elizabeth W. Gilloon Professor of Chemistry, Emeritus
B.S., Caltech, 1954; Ph.D., Harvard University, 1957; D.h.c., University of Paris VII, 1993. Instructor, Caltech, 1957-58; Assistant Professor, 1958-62; Associate Professor, 1962-68; Professor, 1968-95; Gilloon Professor, 1995-2001; Gilloon Professor Emeritus 2001-. Executive Officer for Chemistry, 1973-77; Chairman, Division of Chemistry and Chemical Engineering, 1984-94.

Bahman Anvari, Ph.D.
Visiting Associate in Medical Engineering
B.A., University of California, 1985; M.S., California State University Sacramento, 1998; Ph.D., Texas A&M University (College Station), 1993. Caltech, 2021-22.

Alexei Aravin, Ph.D.
Professor of Biology
B.S., University of Moscow, 1997; M.Sc., 1998; Ph.D., 2002. Assistant Professor, Caltech, 2009-16; Professor, 2016-.

Maria del Pilar (Pilar) Ariza Moreno, Ph.D.
Visiting Associate in Aerospace
M.S., University of Seville, 1997; Ph.D., 2002. Assistant Professor, 2003-. Caltech, 2003-06; 2007; 2009: 2010-13; 2018; 2019; 2020; 2021-22.

Gloria Arjona, Ph.D.
Lecturer in Spanish
B.A., California State University, 1993; M.A., University of Southern California, 1997; Ph.D., 2002. Caltech, 2000-.

Frances H Arnold, Nobel Laureate, Ph.D., D.h.c.
Linus Pauling Professor of Chemical Engineering, Bioengineering and Biochemistry; Director, Donna and Benjamin M. Rosen Bioengineering Center
B.S., Princeton University, 1979; Ph.D., University of California, 1985; D.h.c., Stockholm University. Visiting Associate, Caltech, 1986; Assistant Professor, 1987-92; Associate Professor, 1992-96; Professor, 1996-99; Professor of Chemical Engineering and Biochemistry, 1999-2000. Dickinson Professor, 2000-17; Pauling Professor, 2017-; Director, Rosen Bioengineering Center, 2013-.

Daniel T Arthur, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
M. Eng., Cardiff University, 2007; Ph.D., Curtin University, 2014. Caltech, 2017-22.

Michael Aschbacher, Ph.D.
Shaler Arthur Hanisch Professor of Mathematics, Emeritus
B.S., Caltech, 1966; Ph.D., University of Wisconsin, 1969. Bateman Research Instructor, Caltech, 1970-72; Assistant Professor, 1972-74; Associate Professor, 1974-76; Professor, 1976-96; Hanisch Professor, 1996-2013; Hanisch Professor, Emeritus, 2013-; Executive Officer for Mathematics, 1991-94.

Domniki Asimaki, Ph.D.
Professor of Mechanical and Civil Engineering
Dipl., National Technical University of Athens, 1998; M.S., Massachusetts Institute of Technology, 2000; Ph.D., 2004. Caltech, 2014-.

Paul D Asimow, Ph.D.
Eleanor and John R. McMillan Professor of Geology and Geochemistry
A.B., Harvard University, 1991; M.S., Caltech, 1993; Ph.D., 1997. Assistant Professor, 1999-2005; Associate Professor, 2005-2010; Professor, 2010-; McMillan Professor, 2016-.

Harry A Atwater, Ph.D.
Otis Booth Leadership Chair, Division of Engineering and Applied Science; Howard Hughes Professor of Applied Physics and Materials Science; Director, Liquid Sunlight Alliance
B.S., Massachusetts Institute of Technology, 1982; M.S., 1983; Ph.D., 1987. Assistant Professor, Caltech, 1988-94; Associate Professor, 1994-99; Professor of Applied Physics and Materials Science, 1999-2002; Howard Hughes Professor, 2002-. Director of Resnick Sustainability Institute, 2009-15; Director of Joint Center for Artificial Photosynthesis, 2014-21; Booth Leadership Chair, 2021-; Director, Liquid Sunlight Alliance, 2021-.

Joanna M Austin, Ph.D.
Professor of Aerospace
B.E., University of Queensland, 1996; B.S., 1996; M.S., California Institute of Technology, 1998; Ph.D., 2003. Caltech, 2014-.

Jean-Philippe Avouac, Ph.D.
Earle C. Anthony Professor of Geology and Mechanical and Civil Engineering; Associate Director, Center for Autonomous Systems and Technologies
M.E., Ecole Polytechnique, 1987; Ph.D., Institut de Physique du Globe, 1991; Habil., 1992. Professor, Caltech, 2003-11; Earle C. Anthony Professor, 2012-; Director, Tectonic Observatory, 2004-13; Associate Director, 2022-.

Hyun Ji (Jane) Bae, Ph.D.
Assistant Professor of Aerospace
B.S., Caltech, 2011; Ph.D., Stanford University, 2018. Caltech, 2021-.

Mark J Balas, Ph.D.
Visiting Associate in Aerospace
B.S., University of Akron; M.S., University of Maryland, 1970; M.S., University of Denver, 1974; Ph.D., 1974. Caltech, 2011-14; 2017-19; 2021; 2022.

John D Baldeschwieler, Ph.D.
J. Stanley Johnson Professor and Professor of Chemistry, Emeritus
B.Chem.E., Cornell University, 1956; Ph.D., University of California, 1959. Professor, Caltech, 1973-96; Johnson Professor and Professor of Chemistry, 1996-99; Johnson Professor and Professor Emeritus, 1999-. Chairman, Division of Chemistry and Chemical Engineering, 1973-78.

David Baltimore, Nobel Laureate, Ph.D., D.Sc.h.c., D.Phil.h.c.
President Emeritus; Judge Shirley Hufstedler Professor of Biology
B.A., Swarthmore College, 1960; Ph.D., Rockefeller University, 1964; D.Sc.h.c., Swarthmore College; Mount Holyoke College; Mount Sinai Medical Center; Bard College; University of Helsinki; Cold Spring Harbor Laboratory; University of Alabama; California Polytechnic State University; Columbia University; Yale University; Rockefeller University; Harvard University; D.Phil.h.c., Weizmann Institute of Science. Professor, Caltech, 1997-2006; Millikan Professor, 2006-2021; Distinguished Professor, 2021; Hufstedler Professor, 2021-; President, 1997-2006; President Emeritus, 2006-.

Barry C Barish, Nobel Laureate, Ph.D., Laurea h.c.
Ronald and Maxine Linde Professor of Physics, Emeritus
B.A., University of California, 1957; Ph.D., 1962; Laurea, h.c., University of Bologna. Research Fellow, Caltech, 1963-66; Assistant Professor, 1966-69; Associate Professor, 1969-72; Professor, 1972-91; Linde Professor, 1991-2005; Linde Professor Emeritus, 2005-. Principal Investigator of LIGO, 1994-97; Director, LIGO, 1997-2006.

Alan H (Al) Barr, Ph.D.
Professor of Computer Science
B.S., Rensselaer Polytechnic Institute, 1973; M.S., 1976; Ph.D., 1983. Research Fellow, Caltech, 1984; Assistant Professor, 1984-90; Associate Professor, 1990-98; Professor, 1998-; Executive Officer for Computer Science, 2000-01.

James G Bartlett, Ph.D.
Visiting Associate in Physics
Ph.D., University of California, Berkeley, 1992. Caltech, 2017-22.

Jacqueline K Barton, Ph.D., D.Sc.h.c., D.L.h.c.
John G. Kirkwood and Arthur A. Noyes Professor of Chemistry, Emerita
A.B., Barnard College, 1974; Ph.D., Columbia University, 1978; D.Sc.h.c., New Jersey Institute; Kenyon College; Yale University; Hamilton College; Williams College; Lawrence University; Columbia University; D.L.h.c., Skidmore College. Visiting Associate, Caltech, 1989; Professor, 1989-97; Hanisch Professor, 1997-17; Kirkwood-Noyes Professor, 2017-; Division Chair, 2009-19; Davidson Leadership Chair, 2016-19; Kirkwood-Noyes Professor Emerita, 2022.

Marco Battaglini, Ph.D.
Visiting Associate in Economics
Laurea, Universita Bocconi Italy, 1995; Ph.D., Northwestern University, 2000. Caltech, 2022.

Konstantin Batygin, Ph.D.
Professor of Planetary Science
B.S., UC Santa Cruz, 2008; M.S., California Institute of Technology, 2010; Ph.D., 2012. Assistant Professor, Caltech, 2014-19; Van Nuys Page Scholar, 2017-19, Professor, 2019-.

Jesse L (Jack) Beauchamp, Ph.D.
Mary and Charles Ferkel Professor of Chemistry
B.S., Caltech, 1964; Ph.D., Harvard University, 1967. Noyes Research Instructor, Caltech, 1967-69; Assistant Professor, 1969-71; Associate Professor, 1971-74; Professor, 1974-2000; Ferkel Professor, 2000-.

James L (Jim) Beck, Ph.D.
George W. Housner Professor of Engineering and Applied Science, Emeritus
B.Sc., University of Auckland, 1969; M.Sc., 1970; Ph.D., Caltech, 1979. Assistant Professor of Civil Engineering, 1981-87; Associate Professor, 1987-96; Professor, 1996-2011; Housner Professor, 2012-17; Housner Professor, Emeritus, 2017-; Executive Officer for Applied Mechanics and Civil Engineering, 1993-98.

Charles Beichman, Ph.D.
Senior Faculty Associate in Astronomy
A.B., Harvard College, 1973, M.S., University of Hawaii, 1975, M.S., 1976; Ph.D., 1979. Visiting Associate, Caltech, 1991-99; 2003-05; 2015-16. Caltech, Senior Faculty Associate, 2005-12; 2015-2016; 2018-23.

Josette Bellan, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., Lycee Jules Ferry, 1964; M.S., University of Sciences (Paris), 1969; M.S., Princeton University, 1972; Ph.D., 1974. Senior Research Scientist, Jet Propulsion Laboratory, 1997-. Lecturer in Jet Propulsion, Caltech, 1992-93; Visiting Associate in Aeronautics, 1995-2006; Visiting Associate in Mechanical and Civil Engineering, 2006-23.

Paul M Bellan, Ph.D.
Professor of Applied Physics
B.Sc., University of Manitoba, 1970; M.A., Princeton University, 1972; Ph.D., 1976. Assistant Professor, Caltech, 1977-83; Associate Professor, 1983-89; Professor, 1990-.

John E Bercaw, Ph.D.
Centennial Professor of Chemistry, Emeritus
B.S., North Carolina State University, 1967; Ph.D., University of Michigan, 1971. Arthur Amos Noyes Research Fellow, Caltech, 1972-74; Assistant Professor, 1974-77; Associate Professor, 1977-79; Professor, 1979-93; Shell Distinguished Professor, 1985-90; Centennial Professor, 1993-15; Centennial Professor, Emeritus, 2015-. Executive Officer for Chemistry, 1999-2002.

Marco Bernardi, Ph.D.
Professor of Applied Physics, Physics and Materials Science
B.S., University of Rome La Sapienza, 2004; M.S., University of Rome Tor Vergata, 2008; Ph.D., Massachusetts Institute of Technology, 2013. Assistant Professor, Caltech, 2015-21; Professor, 2021-.

Kaushik Bhattacharya, Ph.D.
Howell N. Tyson, Sr., Professor of Mechanics and Materials Science; Vice Provost
B.Tech., Indian Institute of Technology, 1986; Ph.D., University of Minnesota, 1991. Assistant Professor, Caltech, 1993-99; Associate Professor, 1999-2000; Professor, 2000-10; Tyson, Sr., Professor, 2010-; Executive Officer, 2007-16; Vice Provost, 2016-.

Kathryn Bikle
Lecturer in Chemistry
B.A., University of California (Santa Cruz), 1981; M.A., University of California, 1984. Lecturer in Chemistry, Caltech, 2000-17, 2022; Lecturer in Geology, 2000-14; 2015; 2016; 2017; 2018; 2019; 2020; 2021.

Pamela J Bjorkman, Ph.D.
David Baltimore Professor of Biology and Bioengineering; Merkin Institute Professor; Executive Officer for Biology and Biological Engineering
B.A., University of Oregon, 1978; Ph.D., Harvard University, 1984. Assistant Professor, Caltech, 1989-95; Associate Professor, 1995-98; Professor, 1998-2004; Delbruck Professor, 2004-15; Centennial Professor, 2015-18; Baltimore Professor, 2018-; Merkin Institute Professor, 2021-; HHMI Investigator, 1989-2015; Executive Officer, 2000-06, 2020-.

Geoffrey A (Geoff) Blake, Ph.D.
Professor of Cosmochemistry and Planetary Sciences and Professor of Chemistry
B.S., Duke University, 1981; Ph.D., Caltech, 1986. Assistant Professor of Cosmochemistry, 1987-93; Associate Professor of Cosmochemistry and Planetary Sciences, 1993-97; Professor, 1997-99; Professor of Cosmochemistry and Planetary Sciences and Professor of Chemistry, 1999-. Deputy Director, Owens Valley Radio Observatory, 2000-06; Master of Student Houses, 2009-14.

Roger D Blandford, Ph.D.
Moore Distinguished Scholar in Theoretical Astrophysics
B.A., University of Cambridge (Magdalene College), 1970; Ph.D., 1974. Assistant Professor, Caltech, 1976-79; Professor, 1979-89; Tolman Professor, 1989-2004; Visiting Associate, 2004-09; Moore Distinguished Scholar, 2022-; Executive Officer for Astronomy, 1992-95.

Adam Blank
Teaching Professor of Computing and Mathematical Sciences
B.S., Carnegie Mellon University, 2012; M.S., 2014. Lecturer in Computing and Mathematical Sciences, 2018-2020; Teaching Assistant Professor of Computing and Mathematical Sciences, 2020-2022; Caltech, 2022-.

Guillaume Blanquart, Ph.D.
Professor of Mechanical Engineering
B.S., M.S., Ecole Polytechnique, 2002; M.S., Stanford University, 2004; Ph.D., 2008; Assistant Professor, Caltech, 2009-15; Professor, 2015-.

Henry Blauvelt, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B.S., Cornell University, 1978; Ph.D., California Institute of Technology, 1983. Caltech, 2020-23.

James J (Jamie) Bock, Ph.D.
Professor of Physics; Jet Propulsion Laboratory Senior Research Scientist
B.S., Duke University, 1987; M.A., University of California, Berkeley, 1990; Ph.D., 1994. Jet Propulsion Laboratory Research Scientist, 1994-2012; Visiting Associate, Caltech, 1994-2008; Senior Faculty Associate, 2008-12; Professor, 2012-; Jet Propulsion Laboratory Senior Research Scientist, 2012-.

Justin S Bois, Ph.D.
Teaching Professor of Biology and Biological Engineering
B.S., University of Illinois (Urbana-Champaign), 1999; Ph.D., Caltech, 2007. Caltech, 2014-.

Katherine L (Katie) Bouman, Ph.D.
Assistant Professor of Computing and Mathematical Sciences, Electrical Engineering and Astronomy; Rosenberg Scholar; Investigator, Heritage Medical Research Institute
B.S., University of Michigan, Ann Arbor, 2011; M.S., Massachusetts Institute of Technology, 2013; Ph.D., 2017; Visiting Associate, Caltech, 2018-19; Assistant Professor, 2019-; Rosenberg Scholar, 2019-; HMRI Investigator, 2021-.

Charles M (Matt) Bradford, Ph.D.
Visiting Associate in Physics
B.S., Stanford University, 1994; Ph.D., Cornell University, 2001. Research Scientist, Jet Propulsion Laboratory, 2003-. Caltech, 2004-23.

John F Brady, Ph.D.
Chevron Professor of Chemical Engineering and Mechanical Engineering
B.S., University of Pennsylvania, 1975; M.S., Stanford University, 1977; Ph.D., 1981. Associate Professor, Caltech, 1985-89; Professor, 1990-99; Chevron Professor, 1999-; Professor of Mechanical Engineering, 2005-. Executive Officer for Chemical Engineering, 1993-99; 2013-19.

Robert D (Bobby) Braun, Ph.D.
Bren Professor of Aerospace
B.S., Pennsylvania State University, 1987; M.S., George Washington University, 1989; Ph.D., Stanford University, 1996. Moore Distinguished Scholar, Caltech, 2015; Professor, 2020-21; Bren Professor, 2021-.

Amy J Braverman, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B.A., Swarthmore College, 1982; M.A., University of California Los Angeles, 1992; Ph.D., 1999. Caltech, 2018-23.

Christopher E Brennen, D.Phil.
Richard L. and Dorothy M. Hayman Professor of Mechanical Engineering, Emeritus
B.A., University of Oxford, 1963; M.A., D.Phil., 1966. Research Fellow, Caltech, 1969-72; Senior Research Fellow, 1972-75; Research Associate, 1975-76; Associate Professor, 1976-82; Professor, 1982-2005; Hayman Professor, 2005-10; Hayman Professor, Emeritus, 2010-. Master of Student Houses, 1983-87; Dean of Students, 1988-92; Executive Officer for Mechanical Engineering, 1993-97; Vice President for Student Affairs, 1997-2002.

John Brewer, Ph.D.
Eli and Edythe Broad Professor of History and Literature, Emeritus
B.A., University of Cambridge, 1968; M.A., 1972; Ph.D., 1973; M.A. Honorary Degree, Harvard University. Moore Distinguished Scholar, Caltech, 2001; Professor, 2002-; Broad Professor, 2003-16; Broad Professor, Emeritus, 2017-.

William B Bridges, Ph.D.
Carl F Braun Professor of Engineering, Emeritus
B.S., University of California, 1956; M.S., 1957; Ph.D., 1962. Sherman Fairchild Distinguished Scholar, Caltech, 1974-75; Professor of Electrical Engineering and Applied Physics, 1977-83; Braun Professor, 1983-2002; Braun Professor Emeritus, 2002-. Executive Officer for Electrical Engineering, 1978-81.

Alaina A Brinley, Ph.D.
Visiting Associate in Electrical Engineering
B.A., Kalamazoo College, 2007; Ph.D., University of Texas Southwestern Medical Center, 2012; M.D., 2016; Caltech, 2016-24.

Charles J Brokaw, Ph.D.
Professor of Biology, Emeritus
B.S., Caltech, 1955; Ph.D., University of Cambridge, 1958. Visiting Assistant Professor, Caltech, 1960; Assistant Professor, 1961-63; Associate Professor, 1963-68; Professor, 1968-2000; Professor Emeritus, 2000-. Executive Officer for Biology, 1976-80; 1985-89; Associate Chairman of the Division of Biology, 1980-85.

Marianne Bronner, Ph.D.
Edward B. Lewis Professor of Biology; Director of the Beckman Institute
Sc.B., Brown University, 1975; Ph.D., Johns Hopkins University, 1979. Professor, Caltech, 1996-2000; Ruddock Professor, 2000-21; Distinguished Professor, 2021; Lewis Professor, 2021-; Executive Officer, 2013-16; Director, 2019-.

Norman H Brooks, Ph.D.
James Irvine Professor of Environmental and Civil Engineering, Emeritus
A.B., Harvard College, 1949; M.S., Harvard University, 1950; Ph.D., Caltech, 1954. Instructor in Civil Engineering, 1953-54; Assistant Professor, 1954-58; Associate Professor, 1958-62; Professor, 1962-70; Professor of Environmental Science and Civil Engineering, 1970-76; Irvine Professor of Environmental Engineering Science, 1976-77; Irvine Professor of Environmental Engineering and Civil Engineering 1977-95; Irvine Professor Emeritus, 1995-. Academic Officer for Environmental Engineering Science, 1972-74; Director, Environmental Quality Laboratory, 1974-93; Executive Officer for Environmental Engineering Science, 1985-93.

Michael E (Mike) Brown, Ph.D.
Richard and Barbara Rosenberg Professor of Planetary Astronomy; Terence D. Barr Leadership Chair, Center for Comparative Planetary Evolution; Director, Caltech Center for Comparative Planetary Evolution
A.B., Princeton University, 1987; M.A., University of California, 1990; Ph.D., 1994. Visiting Associate, Caltech, 1995; Assistant Professor, 1997-2002; Associate Professor, 2002-04; Professor, 2005-2008; Rosenberg Professor, 2008-; Barr Leadership Chair, 2021-, Director, 2020-.

R M (Matthew) Brown
Lecturer in Music
B.A., Pepperdine University, 2000; M.M. University of Southern California Thorton, 2004; D.M.A., 2008. Caltech, 2021-22.

Warren C Brown, Ph.D.
Professor of History
B.S., Tufts University, 1985; M.A., University of Cincinnati, 1993; Ph.D., University of California (Los Angeles), 1997. Assistant Professor, Caltech 1997-2003; Associate Professor, 2003-10; Professor, 2010-.

Jehoshua (Shuki) Bruck, Ph.D.
Gordon and Betty Moore Professor of Computation and Neural Systems and Electrical Engineering
B.Sc., Technion-Israel Institute of Technology, 1982; M.Sc., 1985; Ph.D., Stanford University, 1989. Associate Professor, Caltech, 1994-98; Professor, 1998-2001; Moore Professor, 2001-. Director, Information Science and Technology, 2003-05.

Oscar P Bruno, Ph.D.
Professor of Applied and Computational Mathematics
Lic., University of Buenos Aires, 1982; Ph.D., New York University (Courant Institute of Mathematical Sciences), 1989. Associate Professor, Caltech, 1995-98; Professor, 1998-. Executive Officer for Applied Mathematics, 1998-2000.

Claire E Bucholz, Ph.D.
Assistant Professor of Geology
B.S., Yale University, 2009; Ph. D., Massachusetts Institute of Technology, 2016; Caltech, 2017-.

Jed Z Buchwald, Ph.D.
Doris and Henry Dreyfuss Professor of History
B.A., Princeton University, 1971; M.A., Harvard University, 1973; Ph.D., 1974. Caltech, 2001-.

Joel W Burdick, Ph.D.
Richard L. and Dorothy M. Hayman Professor of Mechanical Engineering and Bioengineering; Jet Propulsion Laboratory Research Scientist
B.S., Duke University, 1981; M.S., Stanford University, 1982; Ph.D., 1988. Assistant Professor, Caltech, 1988-94; Associate Professor, 1994-2000; Professor of Mechanical Engineering, 2000-02; Professor of Mechanical Engineering and Bioengineering, 2002-12; Executive Officer for Bioengineering, 2006-07; Hayman Professor, 2012-; Jet Propulsion Laboratory Research Scientist, 2014-.

Erin Burkett, Ph.D.
Lecturer in Engineering; ESL Graduate Writing Instructor
B.S., University of Delaware, 2004; Ph.D., University of California, Davis, 2010. Caltech, 2018; 2019; 2020; 2021; 2022.

Donald S Burnett, Ph.D.
Professor of Nuclear Geochemistry, Emeritus
B.S., University of Chicago, 1959; Ph.D., University of California, 1963. Research Fellow in Physics, Caltech, 1963-65; Assistant Professor of Nuclear Geochemistry, 1965-68; Associate Professor, 1968-75; Professor, 1975-2006; Professor Emeritus, 2006-. Academic Officer, Division of Geological and Planetary Sciences, 1979-87.

Ashay Burungale, Ph.D.
Scott Russell Johnson Instructor in Mathematics
B.A., Indian Statistical Institute, Bangalore Centre, 2009; Ph.D., University of California Los Angeles, 2015. Caltech 2018-23.

Gentian Buzi, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B.S., SUNY College; M.S., Caltech, 2002; Ph.D., 2009. Lecturer; 2009-11. Caltech; 2019-24.

Long Cai, Ph.D.
Professor of Biology and Biological Engineering
B.A, Harvard University, 2001; Ph.D., 2006. Visiting Associate 2017-18; Assistant Professor, Caltech, 2010-17; Research Professor, 2017-2018; Professor, 2018-.

Joern Callies, Ph.D.
Assistant Professor of Environmental Science and Engineering
M.S., University of Hamburg, Germany, 2011; Ph.D., Massachusetts Institute of Technology, 2015. Caltech, 2017-.

Colin F Camerer, Ph.D.
Robert Kirby Professor of Behavioral Economics; T&C Chen Center for Social and Decision Neuroscience Leadership Chair; Director, T&C Chen Center for Social and Decision Neuroscience
B.A., Johns Hopkins University, 1976; M.B.A., University of Chicago, 1979; Ph.D., 1981. Visiting Associate, Caltech, 1993; Rea A. and Lela G. Axline Professor of Business Economics, 1994-2008; Kirby Professor of Behavioral Finance and Economics, 2008; Kirby Professor, 2008-;Chen Center for Social and Decision Neuroscience Leadership Chair, 2017-; Executive Officer, 2017-19; Director, Chen Center for Social and Decision Neuroscience, 2017- .

Robert A (Andy) Cameron, Ph.D.
Senior Research Associate in Biology, Emeritus
B.A., San Jose State College, 1968; Ph.D., University of California (Santa Cruz), 1975. Visiting Associate, Caltech, 1984-85; Senior Research Fellow, 1985-89; Senior Research Associate, 1989-2015; Senior Research Associate, Emeritus, 2015-.

Judith L Campbell, Ph.D.
Professor of Chemistry and Biology
B.A., Wellesley College, 1965; Ph.D., Harvard University, 1974. Assistant Professor of Chemistry, Caltech, 1977-83; Associate Professor, 1983-85; Associate Professor of Chemistry and Biology, 1985-89; Professor, 1989-.

Peter P Caradonna, Ph.D.
Assistant Professor of Economics
B.A., Boston University, 2011, M.Phil., University of Oxford, 2013; M.A. Georgetown University, 2017; Ph.D., 2022. Caltech, 2022-.

Jean-Lou A Chameau, Ph.D., D.Sc.h.c.
President Emeritus
Ing., Ecole Nationale Superieure D'Arts et Metiers, 1976; M.S., Stanford University, 1977; Ph.D., 1981; D.Sc.h.c., Occidental College. Professor of Civil Engineering, Environmental Science and Engineering, and Mechanical Engineering, 2006-13; Davidow Presidential Professor, 2013; President, 2006-13; President Emeritus, 2013-.

David C Chan, Ph.D.
Professor of Biology; Dean of Graduate Studies
A.B., Harvard College, 1988; M.D., Harvard Medical School, 1996; Ph.D., 1996. Assistant Professor, Caltech, 2000-06; Bren Scholar, 2000-06; Associate Professor, 2006-10; Professor, 2010-; Dean, 2020-; HHMI Investigator, 2008-14.

Garnet K Chan, Ph.D.
Bren Professor of Chemistry
B.A., University of Cambridge, 1996; M.A., 2000; Ph.D., 2000. Moore Distinguished Scholar, Caltech, 2014, 2015; Bren Professor, 2016-.

Sunney I Chan, Ph.D.
George Grant Hoag Professor of Biophysical Chemistry, Emeritus
B.S., University of California, 1957; Ph.D., 1961. Assistant Professor of Chemical Physics, Caltech, 1963-64; Associate Professor, 1964-68; Professor, 1968-76; Professor of Chemical Physics and Biophysical Chemistry, 1976-92; Hoag Professor, 1992-2001; Hoag Professor Emeritus, 2002-. Acting Executive Officer for Chemistry, 1977-78; Executive Officer, 1978-80; 1989-94; Master of Student Houses, 1980-83.

James K Chandler, Ph.D.
Visiting Associate in the Humanities
B.A., University of Notre Dame, 1970; M.A., University of Chicago, 1972; Ph.D., 1978. Caltech, 2021-22.

Venkat Chandrasekaran, Ph.D.
Professor of Computing and Mathematical Sciences and Electrical Engineering
B.A., Rice University, 2005; B.S., 2005; M.S., Massachusetts Institute of Technology, 2007; Ph.D., 2011. Assistant Professor, Caltech, 2012-17; Professor, 2017-.

Kanianthra M (Mani) Chandy, Ph.D.
Simon Ramo Professor of Computer Science, Emeritus
B.Tech., Indian Institute of Technology, 1965; M.S., Polytechnic Institute of Brooklyn, 1966; Ph.D., Massachusetts Institute of Technology, 1969. Sherman Fairchild Distinguished Scholar, Caltech, 1988; Visiting Professor, 1988-89; Professor, 1989-97; Ramo Professor, 1997-2014; Ramo Professor, Emeritus, 2014-. Executive Officer for Computer Science, 1997-2000; Deputy Chair, 2009-12.

Katerina Chatziioannou, Ph.D.
Assistant Professor of Physics; William H. Hurt Scholar
B.S., University of Athens, 2010; M.S., Montana State University, 2013; Ph.D, 2016. Caltech, 2020-; Hurt Scholar, 2021-.

Xie Chen, Ph.D.
Professor of Theoretical Physics
B.S., Tsinghua University China, 2006; Ph.D., Massachusetts Institute of Technology, 2012. Assistant Professor, Caltech, 2014-17; Associate Professor, 2017-19; Professor, 2019-.

Yanbei Chen, Ph.D.
Professor of Physics
B.S., Peking University, 1999; Ph.D., Caltech, 2003. Visiting Associate, Caltech, 2005-07; Assistant Professor, 2007-10; Associate Professor, 2010-13; Professor, 2013-.

Clifford W Cheung, Ph.D.
Professor of Theoretical Physics
B.S., Yale University, 2004; M.A., Harvard University, 2006; Ph.D., 2009. Assistant Professor, Caltech, 2012-19; Professor, 2019-.

Calum R Chisholm, Ph.D.
Visiting Associate in Chemical Engineering
B.S., Yale University, 1995; M.S., Caltech, 2000; Ph.D., 2003. Vice President, SuperProtonic, Inc., 2005-. Caltech, 2008-14; 2020-21.

Won chae Choe, Ph.D.
Visiting Associate in Chemistry
Ph.D., California Institute of Technology, 2002. Caltech, 2019-21.

Anne Chomyn, Ph.D.
Senior Research Associate in Biology, Emeritus
B.S., Drexel University, 1972; Ph.D., Caltech, 1978. Research Fellow, 1978-82; Senior Research Fellow, 1982-87; Senior Research Associate, 1989-2007; Senior Research Associate Emeritus, 2007-; Lecturer in Biology, 2007.

Shasha Chong, Ph.D.
Assistant Professor of Chemistry; Ronald and JoAnne Willens Scholar
B.S., University of Science and Technology of China, 2008; Ph.D., Harvard University, 2014. Visiting Associate, Caltech, 2020-21; Assistant Professor, 2021-; Willens Scholar, 2021-.

Tsui-Fen Chou, Ph.D.
Research Professor of Biology and Biological Engineering
B.S., National Taiwan University, 1999; Ph.D., University of Minnesota, 2006. Caltech, 2018-.

Vasileios N Christopoulos, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., Technical University of Crete, 2003; M.S., University of Minnesota, 2005; Ph.D., 2010. Caltech, 2019-22.

Soon Jo Chung, Ph.D.
Bren Professor of Aerospace and Control and Dynamical Systems; Jet Propulsion Laboratory Senior Research Scientist
B.S., Korea Advanced Institute of Science and Technology, 1998; S.M., Massachusetts Institute of Technology, 2002; Sc.D., 2007. Associate Professor, Caltech, 2016-18; Professor, 2018-19; Bren Scholar, 2016-19; Bren Professor, 2019-; Jet Propulsion Laboratory Research Scientist, 2016-22; Jet Propulsion Laboratory Senior Research Scientist, 2022-.

Catherine E Clark, Ph.D.
Visiting Associate in History and Visual Culture
B.A., Swarthmore College, 2004; M.A., Columbia University, 2005; Ph.D., University of Southern California, 2012. Caltech, 2022-23.

Robert W Clayton, Ph.D.
Professor of Geophysics
B.A.Sc., University of Toronto, 1973; M.Sc., University of British Columbia, 1976; Ph.D., Stanford University, 1981. Assistant Professor of Exploration Geophysics, Caltech, 1981-85; Associate Professor, 1985-89; Professor of Geophysics, 1989-. Executive Officer for Geophysics, 1987-94; Acting Director, Seismological Laboratory, 1989; 2008-09; Deputy Director, 1989-90; Academic Officer, 2008-19.

William M (Bil) Clemons, Ph.D.
Arthur and Marian Hanisch Memorial Professor of Biochemistry
B.S., Virginia Polytechnic Institute and State University, 1995; Ph.D., University of Utah, 2000. Assistant Professor of Chemistry, Caltech, 2005-07; Assistant Professor of Biochemistry, 2007-13; Professor, 2013-21; Hanisch Professor, 2021-.

Geoffrey W (Geoff) Coates, Ph.D.
Moore Distinguished Scholar
B.A., Wabash College, 1989; Ph.D., Stanford University, 1994. Caltech, 2021.

Elizabeth S Cochran, Ph.D.
Visiting Associate in Geophysics
B.S., University of California, Santa Barbara, 2000; M.S., University of California, Los Angeles, 2003; Ph.D., 2005. Caltech, 2011-23.

Judith G Cohen, Ph.D.
Kate Van Nuys Page Professor of Astronomy, Emeritus
B.A., Radcliffe College, 1967; M.S., Caltech, 1969; Ph.D., 1971; B.S., University of Arizona, 1978. Associate Professor, Caltech, 1979-88; Professor, 1988-2005; Page Professor, 2005-18; Page Professor, Emeritus, 2018-. Executive Officer for Astronomy, 1995-96.

Marshall H Cohen, Ph.D.
Professor of Astronomy, Emeritus
B.E.E., Ohio State University, 1948; M.S., 1949; Ph.D., 1952. Visiting Associate Professor, Caltech, 1965; Professor of Radio Astronomy, 1968-90; Professor of Astronomy, 1990-95; Professor Emeritus, 1995-. Executive Officer for Astronomy, 1981-85.

Tim Colonius, Ph.D.
Frank and Ora Lee Marble Professor of Mechanical Engineering; Cecil and Sally Drinkward Leadership Chair, Department of Mechanical and Civil Engineering; Executive Officer for Mechanical and Civil Engineering
B.S., University of Michigan (Ann Arbor), 1987; M.S., Stanford University, 1988; Ph.D., 1994. Assistant Professor, Caltech, 1994-2000; Associate Professor, 2000-05; Professor, 2005-16; Marble Professor, 2017-; Drinkward Leadership Chair, 2022-; Executive Officer, 2022-.

David Conlon, Ph.D.
Professor of Mathematics
B.A., University of Dublin Trinity College, 2003; M.A., University of Cambridge, 2006; Ph.D., University of Cambridge, 2009; Moore Distinguished Scholar, Caltech, 2018; Professor, 2019-.

Robert D (Dale) Conner, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B.S., California State Polytechnic University, 1989; M.S., Caltech, 1994; Ph.D., 1998. Assistant Professor, California State University (Northridge), 2006-. Lecturer, 2002-04; Senior Research Fellow, 2003-06; Caltech , 2001-02; 2006-24.

Matthew M Cook, Ph.D.
Moore Distinguished Scholar
Ph.D., Caltech, 2005. Visiting Associate, Caltech, 2006-11; Moore Distinguished Scholar, 2021-22.

Asantha Cooray, Ph.D.
Visiting Associate in Physics
B.S., Massachusetts Institute of Technology, 1997; M.S., 1997; M.S., University of Chicago, 1998; Ph.D., 2001. Assistant Professor, University of California (Irvine), 2005-. Sherman Fairchild Senior Research Fellow, Caltech, 2001-05; Visiting Associate, 2005-23.

Jernej Copic, Ph.D.
Visiting Associate in Economics
B.A., University of Ljubljana, 1997; M.A., Universidad Autonoma de Barcelona, 2000; Ph.D., California Institute of Technology, 2006. Caltech, 2013-16, 2021-22.

James M Cordes, Ph.D.
Visiting Associate in Astronomy
B.S., University of California Santa Barbara, 1971; Ph.D., University of San Diego, 1975. Caltech, 2022.

Abigail T Crites, Ph.D.
Visiting Associate in Physics
Ph.D., University of Chicago, 2013. Caltech 2020-22.

Michael C Cross, Ph.D.
Professor of Theoretical Physics, Emeritus
B.A., University of Cambridge, 1972; Ph.D., 1975. Professor, Caltech, 1984-2016; Professor Emeritus, 2016-.

Fred E Culick, Ph.D.
Richard L. and Dorothy M. Hayman Professor of Mechanical Engineering and Professor of Jet Propulsion, Emeritus
S.B., S.M., Massachusetts Institute of Technology, 1957; Ph.D., 1961. Research Fellow in Jet Propulsion, Caltech, 1961-63; Assistant Professor, 1963-66; Associate Professor, 1966-71; Professor, 1971-78; Professor of Applied Physics and Jet Propulsion, 1978-88; Professor of Mechanical Engineering and Jet Propulsion, 1988-1997; Hayman Professor, 1997-2004; Professor of Jet Propulsion, 1997-2004; Hayman Professor and Professor, Emeritus, 2004-.

Scott K Cushing, Ph.D.
Assistant Professor of Chemistry
B.S., West Virginia University, Morgantown, 2011; Ph.D., 2015; Visiting Associate, Caltech, 2018; Assistant Professor, 2018-.

Jaksa Cvitanic, Ph.D.
Richard N. Merkin Professor of Mathematical Finance; Director, Ronald and Maxine Linde Institute of Economic and Management Sciences
B.A., University of Zagreb (Croatia), 1985; M.S., 1988; M.Phil., Columbia University, 1991; Ph.D., 1992. Professor, Caltech, 2005-13; Merkin Professor, 2013-; Associate Director, Ronald and Maxine Linde Institute of Economic and Management Sciences, 2015-16; Director, Ronald and Maxine Linde Institute of Economic and Management Sciences, 2016-.

John O Dabiri, Ph.D.
Centennial Professor of Aeronautics and Mechanical Engineering
B.S., Princeton, 2001; M.S., Caltech, 2003; Ph.D., 2005. Assistant Professor, Caltech, 2005-09; Associate Professor, 2009-10; Professor, 2010-16; Visiting Associate, 2019; Centennial Professor, 2019-; Dean of Undergraduate Students, 2014-16.

Melissa Dabiri, Ph.D.
Lecturer in Engineering
B.A, Azusa Pacific University, 2001; M.A., 2004; Ph.D., 2011. Caltech, 2014-15; 2021-22.

Simone D'Amico, Ph.D.
Visiting Associate in Aerospace
M.S., Politecnico di Milano, 2003; Ph.D., Delft University of Technology, 2010. Caltech, 2022.

Chiara Daraio, Ph.D.
G. Bradford Jones Professor of Mechanical Engineering and Applied Physics; Investigator, Heritage Medical Research Institute
B.S.; M.S., University of Ancona (Italy), 2001; M.S., University of California (San Diego), 2003; Ph.D., 2006. Assistant Professor, Caltech, 2006-10; Professor, 2011-21; Jones Professor, 2021-; HMRI Investigator, 2021-.

Siddharth Dasgupta, Ph.D.
Visiting Associate in Chemistry
B.S., IIT Kanpur, 1980; M.S., 2005; M.B.A., University of California, Los Angeles, 2002; Ph.D., Princeton University, 1985. Caltech, 2019-24.

Mark E Davis, Ph.D.
Warren and Katharine Schlinger Professor of Chemical Engineering
B.S., University of Kentucky, 1977; M.S., 1978; Ph.D., 1981. Professor, Caltech, 1991-93; Schlinger Professor, 1993-. Executive Officer for Chemical Engineering, 1999-2004.

Katherine R de Kleer, Ph.D.
Assistant Professor of Planetary Science and Astronomy
B.Sc., Massachusetts Institute of Technology (Mathematics & Physics), 2009; M.A., University of California, Berkeley, 2013; Ph.D., 2017. Caltech, 2019-.

Ramit Debnath, Ph.D.
Visiting Associate in Computational Social Science
B.A., Sharda University, 2014; M.A., Indian Institute of Technology, Bombay, 2016; M.A., University of Cambridge, 2018; Ph.D., 2021. Caltech, 2021-22.

Gozde S Demirer, Ph.D.
Clare Boothe Luce Assistant Professor of Chemistry and Chemical Engineering
B.S., Koc University, 2015; Ph.D., University of California, Berkeley, 2020. Boothe Luce Assistant Professor, 2022-.

Tracy K Dennison, Ph.D.
Professor of Social Science History; Ronald and Maxine Linde Leadership Chair, Division of the Humanities and Social Sciences
B.A., Bucknell University, 1992; M.Phil., University of Oxford, 1999; Ph.D., University of Cambridge, 2004. Assistant Professor, Caltech, 2006-09; Associate Professor, 2009-11; Professor, 2011-; Division Chair, 2022-; Linde Leadership Chair, 2022-.

Peter B Dervan, Ph.D., D.Sc.h.c.
Bren Professor of Chemistry, Emeritus
B.S., Boston College, 1967; Ph.D., Yale University, 1972; D.Sc.h.c., Boston College. Assistant Professor, Caltech, 1973-79; Associate Professor, 1979-82; Professor, 1982-88; Bren Professor, 1988-2019; Bren Professor, Emeritus, 2020-; Chair, Division of Chemistry and Chemical Engineering, 1994-99; Vice President for Development and Institute Relations, 2011-12.

Abhishek Dey, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B.E., Bengal Engineering and Science University (Shibpur), 2011; M. Tech.; Indian Institute of Technology (Kharagpur), 2013; Ph.D., Indian Institute of Technology (Delhi), 2019. Caltech, 2021-23.

Tiziana Di Luccio, Ph.D.
Lecturer in Chemistry
Ph.D., University of Salerno, 2001. Caltech, 2015-17; 2021.

Michael H Dickinson, Ph.D.
Esther M. and Abe M. Zarem Professor of Bioengineering and Aeronautics; Executive Officer for Biology and Biological Engineering
Sc.B., Brown University, 1984; Ph.D., University of Washington, 1989. Visiting Associate, Caltech, 2001-02; Professor, 2002-03; Zarem Professor, 2003-; Executive Officer, 2020-.

Paul Dimotakis, Ph.D.
John K. Northrop Professor of Aeronautics and Professor of Applied Physics
B.S., Caltech, 1968; M.S., 1969; Ph.D., 1973. Research Fellow, 1973-74; Research Fellow and Lecturer, 1974-75; Assistant Professor, 1975-81; Associate Professor, 1981-85; Professor, 1986-95; Northrop Professor, 1995-; Jet Propulsion Laboratory Chief Technologist, 2006-11.

Kamaludin A (Kamal) Dingle, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
M.S., Imperial College London, 2009; Ph.D., University of Oxford, 2014. Caltech, 2022.

Stanislav G (George) Djorgovski, Ph.D.
Professor of Astronomy and Data Science
B.A., University of Belgrade, 1979; M.A., University of California, 1981; Ph.D., 1985; Assistant Professor, Caltech 1987-90; Associate Professor, 1990-97; Professor, 1997-; Director, Center for Data Driven Discovery, 2014-19; Executive Officer for Astronomy, 2016-19.

Joao Manuel do Carmo Fialho Mendonca, Ph.D.
Visiting Associate in Environmental Science and Engineering
Ph.D., University of Oxford, 2014. Caltech, 2021-22.

Olivier P Dore, Ph.D.
Senior Faculty Associate in Physics
Ph.D., Institute d'Astrophysique de Paris, 2001. Caltech, 2010-24.

Dennis A Dougherty, Ph.D.
George Grant Hoag Professor of Chemistry; Norman Davidson Leadership Chair, Division of Chemistry and Chemical Engineering
B.S., M.S., Bucknell University, 1974; Ph.D., Princeton University, 1978. Assistant Professor, Caltech, 1979-85; Associate Professor, 1985-89; Professor, 1989-2001; Hoag Professor, 2002-. Executive Officer for Chemistry, 1994-99; Director, 2018-19; Division Chair, 2019-; Davidson Leadership Chair, 2019-.

John C Doyle, Ph.D.
Jean-Lou Chameau Professor of Control and Dynamical Systems, Electrical Engineering, and Bioengineering
B.S., M.S., Massachusetts Institute of Technology, 1977; Ph.D., University of California, 1984. Visiting Assistant Professor of Electrical Engineering, Caltech, 1985; Visiting Associate Professor, 1986; Visiting Associate in Chemistry, 1986-87; Associate Professor of Electrical Engineering, 1987-91; Professor, 1991-2001; Professor of Control and Dynamical Systems, Electrical Engineering, and Bioengineering, 2002-04; Braun Professor, 2004-08; 2009-13; Jean-Lou Chameau Professor, 2013-.

Alexander (Alex) Dunn, Ph.D.
Olga Taussky and John Todd Instructor in Mathematics
B.A., University of Queensland, 2013; M.A., 2015; Ph.D., University of Illinois at Urbana, 2020. Caltech 2020-23.

William G Dunphy, Ph.D.
Grace C. Steele Professor of Biology
A.B., Harvard College, 1980; Ph.D., Stanford University, 1985. Assistant Professor, Caltech, 1989-95; Associate Professor, 1995-2001; Professor, 2001-08; Steele Professor, 2008-.

Maura D Dykstra, Ph.D.
Assistant Professor of History
B.A., California State University, Sacramento, 2004; M.A., University of California, Los Angeles, 2008; Ph.D., 2014. Research Assistant Professor, Caltech, 2015-16; Assistant Professor, 2016-.

Frederick D Eberhardt, Ph.D.
Professor of Philosophy
B.S., London School of Economics, 2002; M.S., Carnegie Mellon University, 2005; Ph.D., 2007. Caltech, 2013-.

Bertrand Echenard, Ph.D.
Research Professor of High Energy Physics
Ph.D., Geneva University, 2005. Caltech, 2009-.

Federico M Echenique, Ph.D.
Allen and Lenabelle Davis Professor of Economics
Licenciado, University of the Republic (Uruguay), 1995; Ph.D., University of California, 2000. Instructor, Caltech, 2002-03; Assistant Professor, 2004; Associate Professor, 2004-10; Professor, 2010-16; Davis Professor, 2016-; Executive Officer, 2013-16.

Michelle Effros, Ph.D.
George Van Osdol Professor of Electrical Engineering; Vice Provost
B.S., Stanford University, 1989; M.S., 1990; Ph.D., 1994. Assistant Professor, Caltech, 1994-2000. Associate Professor, 2000-05; Professor, 2005-13; Van Osdol Professor, 2013-; Vice Provost, 2021-.

Bethany L Ehlmann, Ph.D.
Professor of Planetary Science; Associate Director, Keck Institute for Space Studies
A.B., Washington University in St. Louis, 2004; M.Sc., University of Oxford, 2005; M.Sc., 2007; M. S., Brown University, 2008; Ph.D., 2010. Assistant Professor, Caltech, 2011-17; Professor, 2017-; Jet Propulsion Laboratory Research Scientist, 2011-20; Associate Director, 2018-.

Joel Ehrenkranz
Visiting Associate in Chemistry
A. B., Amherst College, 1973; M. D., Stanford University, 1977. Caltech, 2022-23.

John M Eiler, Ph.D.
Robert P. Sharp Professor of Geology and Geochemistry
B.S., University of Iowa, 1989; M.S., University of Wisconsin (Madison), 1991; Ph.D., 1994. Research Fellow, Caltech, 1994-97; Senior Research Fellow 1997-98; Assistant Professor, 1998-2003; Associate Professor, 2003-06; Professor, 2006-; Sharp Professor, 2008-.

James P (Jim) Eisenstein, Ph.D.
Frank J. Roshek Professor of Physics and Applied Physics, Emeritus
A.B., Oberlin College, 1974; Ph.D., University of California, 1980. Professor of Physics, Caltech, 1996-2004; Roshek Professor, 2004-05; Roshek Professor of Physics and Applied Physics, 2005-17; Roshek Professor, Emeritus, 2017-.

Joshua T Eisenthal, Ph.D.
Research Assistant Professor of Philosophy
B.A., Oxford University, 2008; P.G.C.E., Canterbury Christ Church University, 2009; Ph.D., University of Pittsburgh, 2018. Caltech, 2019-.

Charles Elachi, Ph.D., D.Sc.h.c.
Professor of Electrical Engineering and Planetary Science, Emeritus
B.Sc., University of Grenoble, 1968; Dipl. Ing., National Polytechnical Institute (Grenoble), 1968; M.S., Caltech, 1969; Ph.D., 1971; M.B.A., University of Southern California, 1978; D.Sc.h.c., Occidental College. Research Fellow, Caltech, 1971-73; Lecturer in Electrical Engineering, 1982-88; Lecturer in Electrical Engineering and Planetary Science, 1988-2001; Professor, 2002-16. Vice President and Director, 2001-16; Professor Emeritus, 2016-.

Kareem J El-Badry, Ph.D.
Visiting Associate in Astronomy
B.S., Yale University 2016; Ph.D., University of California, Berkeley, 2021. Caltech 2022-23.

Richard S Ellis, Ph.D.
Visiting Associate in Astronomy
B.Sc., University College (London), 1971; D. Phil., University of Oxford, 1974; D.Sc.h.c., University of Durham. Visiting Associate, Caltech, 1997-98; 2015-2016; 2017-2023. Professor, 1999-2002; Steele Professor, 2002-2015. Deputy Director, Palomar Observatory, 1999-2000; Director, 2000-02; Director, Caltech Optical Observatories, 2002-05.

Wael N El-Nachef, Ph.D.
Visiting Associate in Biology & Biological Engineering
B.A., University of California, Berkeley, 2006; M.D., Northwestern University, 2010; Ph.D., University of California, Los Angeles, 2019. Caltech, 2021-23.

Michael B Elowitz, Ph.D.
Professor of Biology and Bioengineering; Investigator, Howard Hughes Medical Institute
B.A., University of California, 1992; M.A., Ph.D., Princeton University, 1999. Assistant Professor, Caltech, 2003-09; Bren Scholar, 2003-09; Associate Professor, 2009-10; Professor, 2010-; HHMI Investigator, 2008-; Executive Officer, 2013-20.

Azita Emami, Ph.D.
Andrew and Peggy Cherng Professor of Electrical Engineering and Medical Engineering; Executive Officer for Electrical Engineering; Director, Center for Sensing to Intelligence
B.S., Sharif University of Technology, 1996; M.S., Stanford University, 1999; Ph.D., 2004. Assistant Professor, Caltech, 2007-13; Professor, 2013-17; Cherng Professor, 2017-; HMRI Investigator, 2015-21; EAS Division Deputy Chair, 2015-18; Executive Officer, 2018-; Director, 2021-.

Manuel A Endres, Ph.D.
Professor of Physics; Rosenberg Scholar
M.Sc., Johannes Gutenberg-Universität Munich, 2008; Ph.D., Ludwig-Maximilians-Universität Munich, 2013. Visiting Associate, Caltech, 2015-16; Assistant Professor, 2016-21; Professor, 2021-; Rosenberg Scholar, 2019-.

Jean E Ensminger, Ph.D.
Edie and Lew Wasserman Professor of Social Sciences
B.A., Cornell University, 1974; M.A., Northwestern University, 1976; Ph.D., 1984. Professor of Anthropology, Caltech, 2000-07; Wasserman Professor of Anthropology, 2007-09; Wasserman Professor, 2009-. Chair, Division of the Humanities and Social Sciences, 2002-06.

Per Johan Albin (Albin) Erlanson, Ph.D.
Visiting Associate in Economics
B.S., Lund University, 2008; Ph.D., 2014. Caltech, 2022.

Thomas E (Tom) Everhart, Ph.D., D.L.h.c., D.h.c.
President Emeritus; Professor of Electrical Engineering and Applied Physics, Emeritus
A.B., Harvard College, 1953; M.Sc., University of California (Los Angeles), 1955; Ph.D., University of Cambridge, 1958; D.L.h.c., Illinois Wesleyan University; Pepperdine University; D.h.c., Colorado School of Mines. Professor, Caltech, 1987-99; Professor Emeritus, 1999-. President, 1987-97; President Emeritus, 1997-.

Pamela L Eversole-Cire, Ph.D.
Visiting Associate in Biology
B.S. (Biology), B.S. (Chemistry), University of California (Irvine), 1982; M.S., 1985; Ph.D., University of Southern California, 1994. Research Fellow, Caltech, 1995-98; Senior Research Fellow, 1998-2001; Visiting Associate, 2008-22.

Michael J Ewens, Ph.D.
Visiting Associate in Finance and Entrepreneurship
Ph.D., University of California, San Diego, 2010. Caltech, 2022-23.

Maxellende (Max) Ezin, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., Spelman College, 1996; Ph.D., University of Virginia, 2002. Caltech, 2009-11; 2021-24.

Katherine T Faber, Ph.D.
Simon Ramo Professor of Materials Science
B.S., Alfred University, 1975; M.S., The Pennsylvania State University, 1978; Ph.D., University of California, Berkeley, 1982. Ramo Professor, Caltech, 2014-.

Jennifer L Factor
Lecturer in Poetry
A.B., Harvard-Radcliffe College, 1991; M.F.A., Bennington College, 2000; M.A., Brandeis University, 2018. Caltech, 2018-21; 2022.

Leonardo Fadel Cury, Ph.D.
Visiting Associate in Geology
M.Sc., Universidade de Sao Paulo, 2003; Ph.D., 2009. Caltech, 2022.

Joseph L Falson, Ph.D.
Assistant Professor of Materials Science; William H. Hurt Scholar
B.S., University of New South Wales, 2009; M.S., Tohoku University, 2012; Ph.D., University of Tokyo, 2015. Visiting Associate, Caltech, 2019; Assistant Professor, 2020-; Hurt Scholar, 2021-.

Andrei Faraon, Ph.D.
Professor of Applied Physics and Electrical Engineering
B.S., California Institute of Technology, 2004; M.S., Stanford University, 2009; Ph.D., 2009. Visiting Associate, Caltech, 2011-12; Assistant Professor, 2012-18; Professor, 2018-.

Kenneth A (Ken) Farley, Ph.D.
W.M. Keck Foundation Professor of Geochemistry
B.S., Yale University, 1986; Ph.D., University of California (San Diego), 1991. Assistant Professor, Caltech, 1993-96; Associate Professor, 1997-98; Professor, 1998-2003; Keck Foundation Professor, 2003-. Director, Tectonic Observatory, 2003-04; Division Chair, 2004-14.

Mordechai Feingold, Ph.D.
Kate Van Nuys Page Professor of the History of Science and the Humanities
B.A., Hebrew University of Jerusalem, 1972; M.A., 1976; D.Phil., University of Oxford, 1980. Visiting Associate Professor, Caltech, 1994. Professor, 2002-19; Kate Van Nuys Page Professor, 2019-.

Katalin (Kata) Fejes Toth, Ph.D.
Research Professor of Biology and Biological Engineering
M.D., Semmelweiss University, 2001; Ph.D., University of Heidelberg, 2004. Caltech 2010-.

Yejun Feng, Ph.D.
Visiting Associate in Physics
B.S., Fudan University, 1996, M.S., City College of New York, 1999, Ph.D., University of Washington, 2003. Caltech 2015-23.

Bradley W Filippone, Ph.D.
Francis L. Moseley Professor of Physics
B.S., Pennsylvania State University, 1977; M.S., University of Chicago, 1979; Ph.D., 1982. Research Fellow, Caltech, 1983-84; Assistant Professor, 1984-90; Associate Professor, 1990-95; Professor, 1995-2016; Moseley Professor, 2016-.

Woodward Fischer, Ph.D., D.h.c.
Professor of Geobiology
B.A., Colorado College, 2000; Ph.D., Harvard University, 2007; D.h.c., Colorado College. Assistant Professor, Caltech, 2009-14; Professor, 2014-; Associate Director, 2018-21.

Matthias Flach, Ph.D.
Professor of Mathematics
Dipl., Johann-Wolfgang von Goethe University (Frankfurt), 1986; Ph.D., St. John's College, 1991. Associate Professor, Caltech, 1995-99; Professor, 1999-. Executive Officer for Mathematics, 2006-09.

Richard C Flagan, Ph.D.
Irma and Ross McCollum-William H. Corcoran Professor of Chemical Engineering and Environmental Science and Engineering
B.S.E., University of Michigan, 1969; S.M., Massachusetts Institute of Technology, 1971; Ph.D., 1973. Assistant Professor of Environmental Engineering Science, Caltech, 1975-81; Associate Professor, 1981-84; Associate Professor of Environmental Engineering and Mechanical Engineering, 1984-85; Professor, 1986-90; Professor of Chemical Engineering, 1990-2000; McCollum Professor of Chemical Engineering, 2000-03; McCollum Professor of Chemical Engineering and Professor of Environmental Science and Engineering, 2003-04; McCollum-Corcoran Professor of Chemical Engineering and Environmental Science and Engineering, 2004-. Acting Executive Officer for Chemical Engineering, 1996; Executive Officer, 1997; 2004-13.

Kara D Fong, Ph.D.
Visiting Associate of Chemical Enginerring
B.S., Stanford University, 2016; M.Phil., University of Cambridge, 2017; Ph.D., University of California, Berkeley, 2022. Caltech, 2022-24.

Stephen J Forman
Visiting Associate in Chemical Engineering
B.A., St. John's College, 1970; M.D., University of Southern California, 1974. Staff Physician and Chairman of the Board of Directors, City of Hope, 2001-. Caltech, 2005-26.

Alessandro Fortunelli
Visiting Associate in Chemistry
M.S., University of Pisa, 1983. First Researcher, Instituto per i Processi Chimico-Fisici, 1984-. Caltech, 2003-04; 2012-22.

Abigail Fraeman, Ph.D.
Visiting Associate in Planetary Science
B.S., Yale University, 2009; M.A., Washington University in St. Louis, 2011; Ph.D., 2014. Caltech, 2016- 23.

Rupert L Frank, Ph.D.
Visiting Associate in Mathematics
Dipl., Ludwig-Maximilians-Universitat Munich, 2003; Ph.D., Royal Institute of Technology, 2007. Caltech, 2013-2024.

Christian Frankenberg, Ph.D.
Professor of Environmental Science and Engineering; Jet Propulsion Laboratory Research Scientist
B.S., University of Bayreuth, 2002; Ph.D., Ruprecht-Karls-Universitat Heidelberg, 2005. Associate Professor, Caltech, 2015-18; Professor, 2018-; Jet Propulsion Laboratory Research Scientist, 2015-.

Steven C Frautschi, Ph.D.
Professor of Theoretical Physics, Emeritus
A.B., Harvard College, 1954; Ph.D., Stanford University, 1958. Assistant Professor, Caltech, 1962-64; Associate Professor, 1964-66; Professor, 1966- 2006; Professor Emeritus, 2006-. Executive Officer for Physics, 1988-97; Master of Student Houses, 1997-2002.

Gregory C Fu, Ph.D.
Norman Chandler Professor of Chemistry
B.S., Massachusetts Institute of Technology, 1985; Ph.D., Harvard University, 1991. Moore Distinguished Scholar, Caltech, 2011; Altair Professor, 2012-16; Chandler Professor, 2016-.

Xiaojing (Ruby) Fu, Ph.D.
Assistant Professor of Mechanical and Civil Engineering
B.S., Clarkson University, 2011; M.S., Massachusetts Institute of Technology, 2015; Ph.D., 2017. Visiting Associate, Caltech, 2019-20; Assistant Professor, 2021-.

Megumi Fujio, Ph.D.
Lecturer in Japanese
B.A., Yamaguchi University, 1996; M.A., University of Colorado (Boulder), 2004; Ph.D., McGill University, 2017. Caltech, 2017-.

James (Jim) Fuller, Ph.D.
Assistant Professor of Theoretical Astrophysics
B.A., Whitman College, 2008; M.S., Cornell University, 2011; Ph.D., 2014. Visiting Associate, Caltech 2017; Assistant Professor, 2017-.

Brent Fultz, Ph.D.
Barbara and Stanley R. Rawn, Jr., Professor of Materials Science and Applied Physics
B.Sc., Massachusetts Institute of Technology, 1975; M.Sc., University of California, 1978; Ph.D., 1982. Assistant Professor, Caltech, 1985-90; Associate Professor, 1990-97; Professor of Materials Science, 1997-2002; Professor of Materials Science and Applied Physics, 2003-13; Rawn Professor, 2013-.

Margaret E Gaida, Ph.D.
Postdoctoral Instructor in Early Modern Natural Philosophy
B.A., Duke University, 2003; M.A., University of California (San Diego), 2007; Ph.D., University of Oklahoma, 2017. Caltech, 2020-23.

Wei Gao, Ph.D.
Assistant Professor of Medical Engineering; Investigator, Heritage Medical Research Institute; Ronald and JoAnne Willens Scholar
B.S., Huazhong University of Science & Technology, 2007; M.S., Tsinghua University, 2009; Ph.D., University of California, San Diego, 2014. Caltech, 2017-; HMRI Investigator, 2021-; Willens Scholar, 2021-.

Daniel A Garcia
Lecturer in Spanish
Lic., National University of Columbia, 1988; M.A., University of Southern California, 1991. Caltech, 1996-.

Javier Garcia, Ph.D.
Research Assistant Professor of Physics
B.S., La Universidad del Zulia, Venezuela, 2003; M.S., Venezuelan Institute of Scientific Research, 2005; Ph.D., Catholic University of America, 2010. Caltech, 2019-.

Jorge (Jordi) Garcia-Ojalvo, Ph.D.
Visiting Associate in Biology and Biological Engineering
M.Sc., University of Barcelona, 1991; Ph.D., 1995. Associate Professor, Technical University of Catalonia, 2003-. Caltech, 2006-13; 2018-22.

George R Gavalas, Ph.D.
Professor of Chemical Engineering, Emeritus
B.S., Technical University of Athens, 1958; M.S., University of Minnesota, 1962; Ph.D., 1964. Assistant Professor, Caltech, 1964-67; Associate Professor, 1967-75; Professor, 1975-2002; Professor Emeritus, 2002-.

Emmanuel Gdoutos, Ph.D.
Visiting Associate in Aerospace
M.S., National Technical University of Athens, 1971; Ph.D., 1973. Clark B Millikan Visiting Professor of Aerospace, 2013; 2014; 2016. Caltech, 2017-22.

Glen A George
Teaching Professor of Electrical Engineering
B.S. (Engineering and Applied Science), Caltech, 1981; B.S. (Electrical Engineering), 1982; M.S., University of California (Los Angeles), 1984. Lecturer in Applied Science, Caltech, 1986-1991; Lecturer in Computer Science and Electrical Engineering, 1992-2015; Lecturer in Electrical Engineering, 2015-2019; Teaching Professor of Electrical Engineering, 2020-.

Alexander C T Geppert, Ph.D.
Eleanor Searle Visiting Professor in History
M.A., Johns Hopkins University, 1995; M.A., Georg-August Universität Göttingen, 1997; Ph.D., European University Institute, Florence, 2004; Caltech, 2021-22.

Alireza Ghaffari
Lecturer in Applied Physics and Materials Science; Lab Administrator for the Micro/Nano Center
B.S., California State University, 1986; M.S., Caltech, 2008. Lecturer, 2005-09; 2010-22.

Morteza (Mory) Gharib, Ph.D.
Hans W. Liepmann Professor of Aeronautics and Bioinspired Engineering; Booth-Kresa Leadership Chair, Center for Autonomous Systems and Technologies; Director, Graduate Aerospace Laboratories; Director, Center for Autonomous Systems and Technologies
B.S., Teheran University, 1976; M.S., Syracuse University, 1978; Ph.D., Caltech, 1983. Professor of Aeronautics, 1992-2001; Professor of Aeronautics and Bioengineering, 2001-02; Liepmann Professor of Aeronautics and Bioengineering, 2002-06; Professor of Bioengineering, 2006-09; Professor of Bioinspired Engineering, 2009-13; Liepmann Professor, 2006-; Director, Linde Institute, 2014-15; Vice Provost, 2010-16; Director, Graduate Aerospace Laboratories, 2015-; Director, Center for Autonomous Systems and Technologies, 2017-; Booth-Kresa Leadership Chair, 2018-.

Konstantinos P Giapis, Ph.D.
Professor of Chemical Engineering
Dipl., National Technical University of Athens, 1984; Ph.D., University of Minnesota, 1989. Lacey Instructor, Caltech, 1992-93; Assistant Professor, 1993-98; Associate Professor, 1999-2010; Professor, 2010-.

Michael B Gibilisco, Ph.D.
Assistant Professor of Political Science
B.A., Creighton University, 2010; M.A., University of Rochester, 2014; Ph.D., 2017; Caltech, 2017-.

Kevin M Gilmartin, Ph.D.
William R. Kenan, Jr., Professor of English; Allen V.C. Davis and Lenabelle Davis Leadership Chair, Student Affairs; Vice President for Student Affairs
B.A., Oberlin College, 1985; M.A., University of Chicago, 1986; Ph.D., 1991. Assistant Professor, Caltech, 1991-97; Associate Professor of Literature, 1997-2004; Associate Professor of English, 2004-07; Professor, 2007-18; Kenan Professor, 2018-; Davis Leadership Chair, 2020-. Dean of Undergraduate Students, 2016-20; Vice President, Student Affairs, 2020-.

Dehn Gilmore, Ph.D.
Professor of English; Executive Officer for the Humanities
B.A., Harvard University, 2002; M.Phil., University of Cambridge (Trinity College), 2003; M.Phil., Columbia University, 2005; Ph.D., 2009. Assistant Professor, Caltech, 2009-15; Professor, 2015-; Executive Officer, 2022-.

Georgia Gkioxari, Ph.D.
Assistant Professor of Computing and Mathematical Sciences and Electrical Engineering
Diplom, National Technical University of Athens, 2010; Ph.D., University of California, Berkeley, 2016. Assistant Professor, Caltech, 2023-.

David M Glover, Ph.D.
Research Professor of Biology and Biological Engineering
B.A., University of Cambridge, 1969; Ph.D., University College (London), 1972. Caltech, 2019-.

William A (Bill) Goddard, Ph.D.
Charles and Mary Ferkel Professor of Chemistry, Materials Science, and Applied Physics
B.S., University of California (Los Angeles), 1960; Ph.D., Caltech, 1965. Noyes Research Fellow in Chemistry, 1964-66; Noyes Research Instructor, 1966-67; Assistant Professor of Theoretical Chemistry, 1967-71; Associate Professor, 1971-74; Professor, 1974-78; Professor of Chemistry and Applied Physics, 1978-84; Ferkel Professor of Chemistry, 1984-2001; Ferkel Professor of Chemistry, Materials Science, and Applied Physics, 2001-.

Lea A Goentoro, Ph.D.
Professor of Biology
B.S., University of Wisconsin-Madison, 2001; Ph.D., Princeton University, 2006. Assistant Professor, Caltech, 2011-18; Professor, 2018-.

Peter Goldreich, Ph.D.
Lee A. DuBridge Professor of Astrophysics and Planetary Physics, Emeritus
B.S., Cornell University, 1960; Ph.D., 1963. Associate Professor of Planetary Science and Astronomy, Caltech, 1966-69; Professor, 1969-81; DuBridge Professor of Astrophysics and Planetary Physics, 1981-2002; DuBridge Professor Emeritus, 2002-. Acting Chairman, Division of Geological and Planetary Sciences, 1989.

Sunil Golwala, Ph.D.
Professor of Physics; Director, Caltech Submillimeter Observatory; Deputy Executive Officer for Astrophysics
B.A., University of Chicago, 1993; M.A., University of California, Berkeley, 1995; Ph.D., 2000. Assistant Professor, Caltech, 2003-10; Associate Professor, 2010; Professor, 2010-; Director, Caltech Submillimeter Observatory, 2013-; Deputy Executive Officer, 2019-.

David L Goodstein, Ph.D.
Frank J. Gilloon Distinguished Teaching and Service Professor, Emeritus; Professor of Physics and Applied Physics, Emeritus
B.S., Brooklyn College, 1960; Ph.D., University of Washington, 1965. Research Fellow in Physics, Caltech, 1966-67; Assistant Professor, 1967-71; Associate Professor, 1971-75; Associate Professor of Physics and Applied Physics, 1975-76; Professor, 1976-2009; Gilloon Professor, 1995-2009; Gilloon Professor Emeritus, 2009-. Vice Provost, 1987-2007.

Judith R Goodstein, Ph.D.
University Archivist, Emeritus
B.A., Brooklyn College, 1960; Ph.D., University of Washington, 1969. Faculty Associate, Caltech, 1982-2009; Lecturer, 1989; 2001; 2002; 2007. Registrar, 1989-2003; Institute Archivist, 1968-95; University Archivist, 1995-2009; University Archivist, Emeritus, 2009-.

Ashwin Gopinath, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B. E., Visvesvaraya Technological University, 2005; Ph.D., Boston University, 2015, Caltech, 2018-22.

Thomas B Graber, Ph.D.
Professor of Mathematics; Executive Officer for Mathematics
A.B., Harvard, 1994; M.A. University of California (Los Angeles), 1995; Ph.D., 1998. Associate Professor, Caltech, 2005-08; Professor, 2008-; Executive Officer, 2022-.

Viviana Gradinaru, Ph.D.
Professor of Neuroscience and Biological Engineering; Director, Center for Molecular and Cellular Neuroscience
B.S., California Institute of Technology, 2005; Ph.D., Stanford University, 2010. Visiting Associate, Caltech, 2012; Assistant Professor, 2012-18; Professor, 2018-; HMRI Investigator, 2015-21; Director, 2017-.

Anthony Grafton, Ph.D.
Visiting Associate in the Humanities
A.B., University of Chicago, 1971; A.B., 1972; Ph.D., 1975. Caltech, 2021-22.

Matthew J Graham, Ph.D.
Research Professor of Astronomy
B.A., University of Oxford (Trinity College), 1993; Ph.D., University of Central Lancashire, 1996. Lecturer, 2017; Research Professor, 2017-.

Harry B Gray, Ph.D., D.Sc.h.c., D.L.h.c., Fil.dr.h.c., Laurea.h.c., Ph.D.h.c., D.h.c.
Arnold O. Beckman Professor of Chemistry; Founding Director, Beckman Institute
B.S., Western Kentucky College, 1957; Ph.D., Northwestern University, 1960; D.Sc.h.c., Northwestern University; University of Rochester; University of Chicago; University Paul Sabatier(France); Göteborg University; University of Pennsylvania; Bowling Green State University; University of Arizona; Colombia University; Oberlin College; Carleton University (Canada); University of South Carolina; University of Copenhagen; University of Edinburgh; Occidental College; Simon Fraser University; Carleton College; Fil.dr.h.c., Gothenburg University; Bowling Green State University; Laurea h.c., University of Florence; D.L.h.c., Illinois Wesleyan University; Ph.D.h.c., Weizmann Institute of Science (Israel); Visiting Professor of Inorganic Chemistry, Caltech, 1965; Professor of Chemistry, 1966-81; William R. Kenan Professor, 1976-81; Beckman Professor, 1981-. Chairman, Division of Chemistry and Chemical Engineering, 1978-84; Director, Beckman Institute, 1986-2001; Founding Director, 2001-.

Julia R Greer, Ph.D.
Ruben F. and Donna Mettler Professor of Materials Science, Mechanics and Medical Engineering; Fletcher Jones Foundation Director of the Kavli Nanoscience Institute
B.S., Massachusetts Institute of Technology, 1997; M.S., Stanford University, 2000; Ph.D., Stanford University, 2005. Assistant Professor, Caltech, 2007-13; Professor, 2013-19; Mettler Professor, 2019-; Fletcher Jones Foundation Director, 2019-.

John M Gregoire, Ph.D.
Research Professor of Applied Physics and Materials Science
B.S., Concordia College (Moorhead), 2004; M.S., Cornell University, 2006; Ph.D., 2009. Caltech, 2021-.

Zeev Gross, Ph.D.
Visiting Associate in Chemistry
B.S., Bar-Ilan University (Israel), 1979; M.S., 1982; Ph.D., 1987. Visitor, Caltech, 1999, 2009; Moore Distinguished Scholar, 2013-14; Visiting Associate, 2011, 2017-23.

John P Grotzinger, Ph.D.
Harold Brown Professor of Geology; Ted and Ginger Jenkins Leadership Chair, Division of Geological and Planetary Sciences
B.S., Hobart College, 1979; M.S., University of Montana, 1981; Ph.D., Virginia Polytechnic Institute and State University, 1985. Visiting Associate Professor, Caltech, 1996; Moore Distinguished Scholar, 2004; Fletcher Jones Professor, 2005-21; Brown Professor, 2021-; Division Chair, 2014-; Jenkins Leadership Chair, 2016-.

Fernando Brandao, Ph.D.
Bren Professor of Theoretical Physics
B.Sc., Universidade Federal de Minas Gerais, 2004; M.Sc., 2005; Ph.D. Imperial College London, 2008. Bren Professor, Caltech, 2016-.

Sergei G Gukov, Ph.D.
John D. MacArthur Professor of Theoretical Physics and Mathematics
B.S., Moscow Institute of Physics and Technology, 1997; M.S., Princeton University 2001; Ph.D., 2001. Associate Professor, Caltech, 2005-07; Professor, 2007-21; MacArthur Professor, 2021-.

Michael C Gurnis, Ph.D.
John E. and Hazel S. Smits Professor of Geophysics; Director, Seismological Laboratory; Director, Schmidt Academy for Software Engineering
B.S., University of Arizona, 1982; Ph.D., Australian National University, 1987. Associate Professor, Caltech, 1994-96; Professor, 1996-2005. Smits Professor, 2005-. Associate Director, Seismological Laboratory, 1995-2003; Director, 2009-; Director, Schmidt Academy, 2019-.

Mitchell Guttman, Ph.D.
Professor of Biology
B.S., University of Pennsylvania, 2006; M.S., 2006; Ph.D., Massachusetts Institute of Technology, 2012. Visiting Associate, Caltech, 2012-13; Assistant Professor, 2013-19; Professor, 2019-; HMRI Investigator, 2015-21.

Ryan G Hadt, Ph.D.
Assistant Professor of Chemistry
B.S., University of Minnesota, Duluth, 2007; M.S., 2008; Ph.D., Stanford University, 2014; Visiting Associate, Caltech, 2018; Assistant Professor, 2018-.

S A (Ali) Hajimiri, Ph.D.
Bren Professor of Electrical Engineering and Medical Engineering; Co-Director, Space-Based Solar Power Project
B.S., Sharif University of Technology, 1994; M.S., Stanford University, 1996; Ph.D., 1998. Assistant Professor, Caltech, 1998-2003; Associate Professor, 2003-06; Professor, 2006-10; Myers Professor, 2010-16; Bren Professor, 2016-; Executive Officer, 2015-18; Director, Information Science and Technology, 2015-16; Co-Director, 2016-.

John F Hall, Ph.D.
Professor of Civil Engineering, Emeritus
B.S., West Virginia University, 1972; M.S., University of Illinois, 1973; Ph.D., University of California, 1980. Research Fellow, Caltech, 1980-83; Lecturer, 1981-83; Assistant Professor, 1983-89; Associate Professor, 1989-97; Professor, 1997-19; Professor Emeritus, 2019-. Executive Officer for Civil Engineering and Applied Mechanics, 1998-2005. Dean, 2005-10; Acting Vice President, 2006-07.

Susanne E Hall, Ph.D.
Teaching Professor of Writing and Director of the Hixon Writing Center; Interim Director of the Center for Teaching, Learning, and Outreach
B.A., Wake Forest University, 2001; M.A., University of California (Irvine), 2003; Ph.D., 2008. Caltech, 2012-.

Gregg W Hallinan, Ph.D.
Professor of Astronomy; Director, Owens Valley Radio Observatory
B.Sc., National University of Ireland, 2002; Ph.D., 2008. Assistant Professor, Caltech, 2012-18; Professor, 2018-; Director, 2019-.

Eulalia Halloran
Lecturer in Visual Culture
B.A. university of California Los Angeles, 1999; M.F.A., Yale University, 2011. Caltech, 2016-17; 2021-22.

Andrew I Harris, Ph.D.
Visiting Associate in Astronomy
B.S., University of California (Davis), 1979; M.A., University of California, 1982; Ph.D., 1986. Professor & Chair Department of Astronomy, University of Maryland, 2007-. Caltech, 2004-05; 2009; 2013; 2014; 2022.

Fiona A Harrison, Ph.D., D.techn.h.c.
Harold A. Rosen Professor of Physics; Kent and Joyce Kresa Leadership Chair, Division of Physics, Mathematics and Astronomy
A.B., Dartmouth College, 1985; Ph.D., University of California, 1993; D.techn.h.c., Danish Technical University. Robert Millikan Research Fellow, Caltech, 1993-95; Assistant Professor of Physics, 1995-99; Assistant Professor of Physics and Astronomy, 1999-2001; Associate Professor 2001-2005; Professor, 2005-13; Rosen Professor, 2013-; Division Chair; 2015-; Kresa Leadership Chair, 2015-.

Babak Hassibi, Ph.D.
Mose and Lillian S. Bohn Professor of Electrical Engineering and Computing and Mathematical Sciences
B.S., University of Tehran, 1989; M.S., Stanford University, 1993; Ph.D, 1996. Assistant Professor, Caltech, 2001-03; Associate Professor, 2003-2008; Professor, 2008-2013; Binder/Amgen Professor, 2013-16; Executive Officer, 2008-15; Associate Director, 2010-2012; Bohn Professor, 2016-.

Kristine L Haugen, Ph.D.
Professor of English
B.A., University of Chicago, 1996; M.A., Princeton University, 1998; Ph.D., 2001. Assistant Professor, Caltech, 2005-11; Professor, 2011-.

Egill Hauksson, Ph.D.
Research Professor of Geophysics
M.S., University of Trondheim (Norway), 1974; M.A., Columbia University, 1978; M. Phil., 1980; Ph.D., 1981. Research Fellow, Caltech, 1989-92; Senior Research Associate, 1992-2014, Research Professor of Geophysics, 2014-.

Bruce A Hay, Ph.D.
Professor of Biology
B.A., Claremont McKenna College, 1982; Ph.D., University of California (San Francisco), 1989. Assistant Professor, Caltech, 1996-2002; Associate Professor, 2002-08; Professor, 2008-.

Thomas H Heaton, Ph.D.
Professor of Engineering Seismology, Emeritus
B.S., Indiana University, 1972; Ph.D., Caltech, 1978. Visiting Associate in Geophysics, 1980-91; Faculty Associate, 1991-95; Lecturer in Geophysics, 1993-94; Lecturer in Engineering Seismology, 1995; Professor, 1995-2020; Professor Emeritus, 2020-.

John L Heilbron, Ph.D.
Visiting Associate in History
A.B., University of California, 1955; M.A., 1958; Ph.D., 1964. Professor, 1994-. Sherman Fairchild Distinguished Scholar, Caltech, 1995; Mellon Visiting Professor, 1997; Eleanor Searle Visiting Professor, 2011; Visiting Associate, 2011-24.

George Helou, Ph.D.
Research Professor of Physics; Executive Director of the Infrared Processing and Analysis Center
B.S., American University of Beirut, 1975; Ph.D., Cornell University, 1980. Senior Research Associate, Caltech, 1998-. Executive Director, 1999-.

Sergi R Hildebrandt, Ph.D.
Visiting Associate in Physics
Ph.D., University of Barcelona, 2011. Caltech, 2014-24.

Andrew Hill, Ph.D.
Howard E. and Susanne C. Jessen Postdoctoral Instructor in English
B.A., Reed College, 2010; M.A., University of Chicago, 2012; M.A., University of California (Irvine), 2015; Ph.D., 2021. Caltech, 2021-23.

Michael G Hill, Ph.D.
Visiting Associate in Chemistry
B.A., Macalester College, 1987; Ph.D., University of Minnesota, 1992. Assistant Professor, Occidental College, 1994-. Research Fellow, Caltech, 1992-94; Visiting Associate, 1995-2010; 2014-24; Lecturer, 2008.

Lynne Hillenbrand, Ph.D.
Professor of Astronomy
A.B., Princeton University, 1989; M.S., 1989; Ph.D., University of Massachusetts, 1995. Assistant Professor, Caltech, 2000-06; Associate Professor, 2006-10; Professor, 2010-; Executive Officer, 2007-12.

Steve Hindle, Ph.D.
Visiting Associate in History
B.A., University of Cambridge, 1986; M.A., University of Minnesota, 1988; Ph.D., University of Cambridge, 1993. Caltech, 2012-20; 2021-22.

Alexander V (Alex) Hirsch, Ph.D.
Professor of Political Science
B.A., Yale University, 2003; Ph.D., Stanford University, 2010. Associate Professor, Caltech, 2014-16; Professor, 2016-.

Christopher R Hitchcock, Ph.D.
J. O. and Juliette Koepfli Professor of Philosophy
A.B., Princeton University, 1986; M.A. (Philosophy); M.A. (Mathematics), University of Pittsburgh, 1990; Ph.D., 1993. Associate Professor, Caltech, 1998-2002; Professor, 2002-14; Koepfli Professor, 2014-; Executive Officer, 2018-22.

David G Hitlin, Ph.D.
Professor of Physics
B.A., Columbia University, 1963; M.A., 1965; Ph.D., 1968. Associate Professor, Caltech, 1979-85; Professor, 1986-.

Andre Hoelz, Ph.D.
Professor of Chemistry and Biochemistry
B.Sc., Albert-Ludwigs University of Freiburg, 1993; M.Sc.,1997; Ph.D., Rockefeller University, 2004. Assistant Professor, Caltech, 2010-16; Professor 2016-; HMRI Investigator, 2015-21.

Philip T Hoffman, Ph.D.
Rea A. and Lela G. Axline Professor of Business Economics and History
A.B., Harvard College, 1969; M.A., University of California, 1971; Ph.D., Yale University, 1979. Lecturer in History, Caltech, 1980-81; Instructor, 1981-82; Assistant Professor, 1982-84; Associate Professor of History and Social Science, 1984-95; Professor, 1995-2003; Richard and Barbara Rosenberg Professor of History and Social Science, 2003-08; Axline Professor, 2008-. Executive Officer for the Humanities, 1995-2000.

Franca Karoline Olga (Franca) Hoffmann, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B.S., Imperial College London, 2010; M.S., 2013; Ph.D., University of Cambridge, 2017. Caltech, Instructor, 2017-20; Visiting Associate, 2020-22.

Michael R Hoffmann, Ph.D.
John S. and Sherry Chen Professor of Environmental Science
B.A., Northwestern University, 1968; Ph.D., Brown University, 1974. Research Fellow, Caltech, 1973-76; Associate Professor, 1980-85; Professor of Environmental Engineering Science, 1986-90; Professor of Environmental Chemistry, 1990-96; James Irvine Professor of Environmental Science, 1996-16; Wu Professor, 2016-18; Chen Professor, 2018-; Executive Officer for Environmental Engineering Science, 1996-2002; Dean of Graduate Studies, 2002-2009.

Douglas C Hofmann, Ph.D.
Lecturer in Applied Physics and Materials Science; Visiting Associate in Applied Physics and Materials Science
B.S., University of California (San Diego), 2003; M.S., 2004; M.S., California Institute of Technology, 2006; Ph.D., 2008. Visiting Associate, 2011-24. Lecturer, 2011-22.

Jocelyn Holland, Ph.D.
Professor of Comparative Literature
B.A., Harvard-Radcliffe College, 1995; M.A., Johns Hopkins University, 1998; Ph.D., 2003. Visiting Associate, Caltech, 2016-17; Professor, 2017-.

Gerard J Holzmann, Ph.D.
Lecturer in Computing and Mathematical Sciences
B.S., Delft University of Technology (Netherlands), 1973; M.S., 1976; Ph.D., 1979. Faculty Associate, 2007-2012; Senior Faculty Associate, 2012-2016; Visiting Associate, 2017-18; Lecturer, Caltech, 2003-06; 2008; 2009; 2010; 2013; 2015; 2017; 2019; 2022.

Elizabeth J (Betty) Hong, Ph.D.
Assistant Professor of Neuroscience; Chen Scholar
B.S., California Institute of Technology, 2002; Ph.D., Harvard University, 2009. Visiting Associate, Caltech, 2014-15; Assistant Professor, 2015-; Boothe Luce Assistant Professor, 2015-21; Chen Scholar, 21-.

John J Hopfield, Ph.D.
Roscoe G. Dickinson Professor of Chemistry and Biology, Emeritus
A.B., Swarthmore College, 1954; Ph.D., Cornell University, 1958. Dickinson Professor, Caltech, 1980-97; Dickinson Professor Emeritus, 1997-.

Philip F (Phil) Hopkins, Ph.D.
Ira S. Bowen Professor of Theoretical Astrophysics; Executive Officer for Astronomy
B.A., Princeton University, 2004; M.A., Harvard University, 2005; Ph.D., 2008. Assistant Professor Caltech, 2013-16; Associate Professor, 2016-17; Professor, 2017-22; Bowen Professor, 2022-; Executive Officer, 2019-.

Hans G Hornung, Ph.D., D.h.c.
C. L. "Kelly" Johnson Professor of Aeronautics, Emeritus
B.S., University of Melbourne, 1960; M.S., 1962; Ph.D., University of London (Imperial College), 1965; D.h.c., Swiss Federal Institute of Technology. Johnson Professor, Caltech, 1987-2005; Johnson Professor Emeritus, 2005-. Director, Graduate Aeronautical Laboratories, 1987-2004.

Yizhao T (Thomas) Hou, Ph.D.
Charles Lee Powell Professor of Applied and Computational Mathematics
B.S., South China University of Technology, 1982; M.S., University of California (Los Angeles), 1985; Ph.D., 1987. Associate Professor of Applied Mathematics, Caltech, 1993-98; Professor, 1998-2000; Professor of Applied and Computational Mathematics, 2000-04; Powell Professor, 2004-. Executive Officer for Applied and Computational Mathematics, 2000-06.

Melissa (El) Hovik
Teaching Assistant Professor of Computing and Mathematical Sciences
B.S., University of Washington, 2018; M.S., 2020. Caltech, 2020-.

Andrew W Howard, Ph.D.
Professor of Astronomy
B.S., Massachusetts Institute of Technology, 1998; M.A., Harvard University, 2001; Ph.D., 2006. Caltech, 2016-.

Julie A Hoy, Ph.D.
Lecturer in Biology and Biological Engineering
B.S., Wartburg College, 1996; M.S., Iowa State University, 1999; Ph.D., 2006. Caltech 2015-18; 2019; 2020; 2021; 2022.

David Hsieh, Ph.D.
Professor of Physics
B.S., Stanford University, 2003; Ph.D., Princeton University, 2009. Assistant Professor, Caltech, 2012-18; Professor, 2018-.

Linda C Hsieh-Wilson, Ph.D.
Milton and Rosalind Chang Professor of Chemistry
B.S., Yale University, 1990; Ph.D., University of California, 1996. Assistant Professor, Caltech, 2000-06; Associate Professor, 2006-10; Professor, 2010-2-17; Hanisch Professor, 2017-20; Chang Professor, 2021-; HHMI Investigator, 2005-14.

Renyu Hu, Ph.D.
Visiting Associate in Planetary Science
B.S., Tsinghua University, 2007; Dip. Eng., Ecole Centrale Paris, 2009; M.S., Tsinghua University, 2009; Ph.D., Massachusetts Institute of Technology, 2013. Caltech, 2015-23.

Alice S Huang, Ph.D.
Senior Faculty Associate in Biology and Biological Engineering
B.A., Johns Hopkins University, 1961; M.S., 1963; Ph.D., 1966. M.A. h.c., Harvard University; D.Sci.h.c., Wheaton College; Mt. Holyoke College; Medical College of Pennsylvania. Faculty Associate, Caltech, 1997-2007; Senior Faculty Associate, 2007-25.

Melany L Hunt, Ph.D.
Dotty and Dick Hayman Professor of Mechanical Engineering
B.S., University of Minnesota, 1983; M.S., University of California, 1985; Ph.D., 1987. Assistant Professor, Caltech, 1988-95; Associate Professor, 1995-2001; Professor, 2001-2011; Kenan Professor, 2012-13; Hayman Professor, 2013-; Executive Officer, 2002-2007; Vice Provost, 2007-14.

Allen L Husker, Ph.D.
Research Professor of Geophysics
B.S., University of Washington, 1998; M.S., University of California (Los Angeles), 2003; Ph.D., 2008. Visiting Associate, 2020. Caltech, 2021-.

Thomas M Hutchcroft, Ph.D.
Professor of Mathematics
B.A. and MMath, University of Cambridge, 2013; Ph.D., University of British Colombia, 2017. Caltech, 2021-.

Nicholas R (Nick) Hutzler, Ph.D.
Assistant Professor of Physics
B.S., California Institute of Technology, 2007; A.M., Harvard University, 2009; Ph.D., 2014. Visiting Associate, Caltech, 2017; Assistant Professor, 2017-.

Sonjong Hwang, Ph.D.
Lecturer in Chemistry
B.S., Sogang University (Korea), 1987; Ph.D., Iowa State University, 1994. Caltech, 2001-09, 2010, 2012, 2017; 2018; 2020; 2022.

Andrew P Ingersoll, Ph.D.
Professor of Planetary Science, Emeritus
B.A., Amherst College, 1960; A.M., Harvard University, 1961; Ph.D., 1966. Assistant Professor, Caltech, 1966-71; Associate Professor, 1971-76; Professor, 1976-2003; 2011-22; Anthony Professor, 2003-11; Professor Emeritus, 2022-; Executive Officer for Planetary Science, 1987-94.

Philip (Phil) Isett, Ph.D.
Professor of Mathematics
B.S., University of Maryland, 2008; Ph.D., Princeton University, 2013; Caltech, Assistant Professor, 2018-19, Professor, 2019-.

Rustem F Ismagilov, Ph.D.
Ethel Wilson Bowles and Robert Bowles Professor of Chemistry and Chemical Engineering; Merkin Institute Professor; Director of the Jacobs Institute for Molecular Engineering for Medicine
B.S., Higher Chemical College of the Russian Academy of Sciences, 1994; Ph.D., University of Wisconsin, Madison, 1998. Miles Professor, Caltech, 2011-13; Bowles Professor, 2013-; Merkin Institute Professor, 2021-; Director, Jacobs Institute, 2013-.

Jennifer M Jackson, Ph.D.
William E. Leonhard Professor of Mineral Physics
B.S., University of Illinois (Urbana-Champaign), 1999; M.S., University of Notre Dame, 2000; Ph.D., University of Illinois, 2005. Assistant Professor of Geophysics, Caltech, 2007-09; Assistant Professor of Mineral Physics, 2009-12; Professor, 2012-20; Leonhard Professor, 2020-.

Brian R Jacobson, Ph.D.
Professor of Visual Culture
B.S., Appalachian State University, 2002; M.S., Massachusetts Institute of Technology, 2005; Ph.D., University of Southern California, 2011. Caltech, 2020-.

Jennifer A Jahner, Ph.D.
Professor of English
B.A., Western Washington University, 1998; M.A., University of Colorado at Boulder, 2005, Ph.D., University of Pennsylvania, 2012. Assistant Professor, Caltech, 2012-19; Professor, 2019-.

Pawel W Janas, Ph.D.
Assistant Professor of Economics
B.A, B.S., University of Colorado, Boulder, 2016; M.S., 2016; Ph.D., Northwestern University, 2022. Caltech, 2022-.

Robyn M Javier, Ph.D.
Lecturer in Engineering; STEM Communication Specialist and Lecturer
B.S., University of California, Los Angeles, 2002; M.S., 2007; Ph.D., University of California, San Francisco, 2012. Caltech, 2018-2022.

Paul C Jennings, Ph.D.
Professor of Civil Engineering and Applied Mechanics, Emeritus
B.S., Colorado State University, 1958; M.S., Caltech, 1960; Ph.D., 1963. Research Fellow in Civil Engineering, 1965; Assistant Professor of Applied Mechanics, 1966-68; Associate Professor, 1968-72; Professor, 1972-77; Professor of Civil Engineering and Applied Mechanics, 1977-2002; 2004-2007. Professor Emeritus, 2002-04; 2007-. Executive Officer for Civil Engineering and Applied Mechanics, 1975-80; Chairman, Division of Engineering and Applied Science, 1985-89; Vice President and Provost, 1989-95; Acting Vice President for Business and Finance, 1995; 1998-99; Provost, 2004-07.

Grant J Jensen, Ph.D.
Professor of Biophysics and Biology
B.S., Brigham Young University, 1994; Ph.D., Stanford University, 1999. Assistant Professor, Caltech, 2002-2008; Associate Professor, 2008-10; Professor, 2010-; HHMI Investigator, 2008-20.

Jack L Jewell, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B.S., University of Florida, 1975; M.S., Florida Institute of Technology, 1977; M.S., University of Arizona, 1981; Ph.D., 1984. Caltech 2020-23.

William L Johnson, Ph.D.
Ruben F. and Donna Mettler Professor of Engineering and Applied Science, Emeritus
B.A., Hamilton College, 1970; Ph.D., Caltech, 1975. Assistant Professor of Materials Science, 1977-80; Associate Professor, 1980-84; Professor, 1984-89; Mettler Professor, 1989-2019; Mettler Professor Emeritus, 2019-.

Lucile M (Lucy) Jones, Ph.D.
Visiting Associate in Geophysics
A.B., Brown University, 1976; Ph.D., Massachusetts Institute of Technology, 1981. Research Associate, U.S. Geological Survey, 1984-. Caltech, 1984-2022.

Peter Jung, Ph.D.
Visiting Associate in Electrical Engineering
B.S., Humboldt University of Berlin, 2000; Ph.D., Technical University of Berlin, 2007. Caltech, 2021.

Catherine Jurca, Ph.D.
Professor of English and Visual Culture
B.A., University of California, 1987; M.A., Johns Hopkins University, 1992; Ph.D., 1995. Instructor, Caltech, 1995; Assistant Professor, 1995-2001; Associate Professor of Literature, 2001-04; Associate Professor of English, 2004-10; Professor of English, 2010-21; Professor of English and Visual Culture, 2021-; Master of Student Houses, 2002-09; Executive Officer, 2014-18.

Richard Kalantar Ohanian
Lecturer in Electrical Engineering
B.S., California Institute of Technology, 2005; M.S., 2007. Caltech, 2019-22.

Hiroo Kanamori, Ph.D.
John E. and Hazel S. Smits Professor of Geophysics, Emeritus
B.S., University of Tokyo, 1959; M.S., 1961; Ph.D., 1964. Research Fellow, Caltech, 1965-66; Professor, 1972-89; Smits Professor, 1989-2005; Smits Professor Emeritus, 2005-. Director, Seismological Laboratory, 1990-98.

Anton N Kapustin, Ph.D.
Earle C. Anthony Professor of Theoretical Physics and Mathematics
M.S., Moscow State University, 1993; Ph.D., Caltech, 1997. Assistant Professor, 2001-04; Associate Professor, 2004-10; Professor, 2010-12; Earle C. Anthony Professor, 2012-.

Tomomi Karigo, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., The University of Tokyo, 2009; M.S., 2011; Ph.D., 2014. Caltech, 2022.

Mikhail Karpukhin, Ph.D.
Harry Bateman Instructor in Mathematics
M.S., Moscow State University, 2013; Ph.D., McGill University, 2018. Caltech 2020-23.

Smruthi Karthikeyan, Ph.D.
Assistant Professor of Environmental Science and Engineering; William H. Hurt Scholar
Btech, Anna University (Chennai), 2012; M.S., Columbia University, 2014; Ph.D., Georgia Institute of Technology, 2020. Assistant Professor, Caltech, 2023-; Hurt Scholar, 2022-.

Mansi M Kasliwal, Ph.D.
Professor of Astronomy
B.S., Cornell University, 2005; M.S., Caltech, 2007; Ph.D., 2011. Visiting Associate, Caltech, 2014-15; Assistant Professor, 2015-21; Professor, 2021-.

Jonathan N Katz, Ph.D.
Kay Sugahara Professor of Social Sciences and Statistics
S.B., Massachusetts Institute of Technology, 1990; M.A., University of California (San Diego), 1992; Ph.D., 1995. Assistant Professor, Caltech, 1995-98; Associate Professor, 1998; 1999-2003; Professor, 2003-11; Sugahara Professor, 2012-; Executive Officer for the Social Sciences, 2007; Director, Linde Institute, 2013-14; Division Chair, 2007-14.

Nets H Katz, Ph.D.
International Business Machines Professor of Mathematics
B.A., Rice University, 1990; Ph.D., University of Pennsylvania, 1993. Professor, Caltech, 2013-; IBM Professor, 2016-.

Alexander Kechris, Ph.D., D.h.c.
Professor of Mathematics
M.S., National Technical University, Athens, 1969; Ph.D., University of California, Los Angeles, 1972; D.h.c., University of Athens. Assistant Professor, Caltech, 1974-76; Associate Professor, 1976-81; Professor, 1981-. Executive Officer for Mathematics, 1994-97.

Mary B Kennedy, Ph.D.
The Allen and Lenabelle Davis Professor of Biology
B.S., St. Mary's College, 1969; Ph.D., Johns Hopkins University, 1975. Assistant Professor, Caltech, 1981-84; Associate Professor, 1984-92; Professor, 1992-2002; Davis Professor, 2002-.

Daniel J Kevles, Ph.D.
J. O. and Juliette Koepfli Professor of the Humanities, Emeritus
A.B., Princeton University, 1960; Ph.D., 1964. Assistant Professor of History, Caltech, 1964-68; Associate Professor, 1968-78; Professor, 1978-86; Koepfli Professor of the Humanities, 1986-2001; Koepfli Professor Emeritus, 2001-. Executive Officer for the Humanities, 1978-81.

Farbod Khoshnoud, Ph.D.
Visiting Associate in Aerospace
B.S., Azad University, 1998; M.S., 2001; Ph.D., Brunel University London, 2005. Caltech, 2020-23.

Collin D Kieffer, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., University of Wisconsin, Madison, 1998; Ph.D., University of Utah, 2008. Caltech, 2018-22.

D R (Rod) Kiewiet, Ph.D.
Professor of Political Science
B.A., University of Iowa, 1974; Ph.D., Yale University, 1980. Assistant Professor, Caltech, 1979-82; Associate Professor, 1982-89; Professor, 1989-. Dean of Students, 1992-96; Dean of Graduate Studies, 2000-02; Dean of Undergraduate Students, 2011-14.

Chul Kim, Ph.D.
Visiting Associate in Chemical Engineering
B.S., Seoul National University, 1991; Ph.D., 2002. Caltech, 2021-22.

H J Kimble, Ph.D., D.Sc.h.c.
William L. Valentine Professor of Physics, Emeritus
B.S., Abilene Christian University, 1971; M.S., University of Rochester, 1973; Ph.D., 1978; D.Sc.h.c., Niels Bohr Institute, University of Copenhagen. Professor, Caltech, 1989-97; Valentine Professor, 1997-21; Valentine Professor, Emeritus, 2021-.

Richard E Kipling
Lecturer in Journalism
B.A., University of California (Santa Barbara), 1966; M.A., 1968; ABD, Claremont Graduate School, 1971. Caltech, 2008; 2009; 2011; 2012; 2013-14; 2016-20; 2022.

Evan N Kirby, Ph.D.
Research Professor of Astronomy
B.S., Stanford University, 2004; M.S., University of California, Santa Cruz, 2006; Ph.D., 2009. Caltech, 2014-.

Joseph (Joe) Kirschvink, Ph.D.
Nico and Marilyn Van Wingen Professor of Geobiology
B.S., M.S., Caltech, 1975; M.A., Princeton University, 1978; Ph.D., 1979. Assistant Professor, Caltech, 1981-87; Associate Professor, 1987-92; Professor, 1992-2004; Van Wingen Professor, 2004-.

Robert P Kirshner, Ph.D.
Research Professor of Astronomy
A.B., Harvard University, 1970; Ph.D., California Institute of Technology, 1975. Caltech 2022-.

Alexei Kitaev, Ph.D.
Ronald and Maxine Linde Professor of Theoretical Physics and Mathematics
Dipl., Moscow Institute of Physics and Technology, 1986; Ph.D., Landau Institute for Theoretical Physics, 1989. Visiting Associate, Caltech, 1998-99; Lecturer, 1998-99; Senior Research Associate, 2001-02; Professor, 2002-13; Linde Professor, 2013-.

Jean Patrice M (Patrice) Klein, Ph.D.
Visiting Associate in Environmental Science and Engineering
M.S., Ecole Superieure des Mines, 1971; Ph.D., Paris University, 1973; Ph.D., Marseille University, 1980. Lecturer, 2016. Caltech, 2016-25.

Andrew T Klesh, Ph.D.
Lecturer in Electrical Engineering; Visiting Associate in Planetary Science
B.S., University Michigan, 2005; M.S., 2006; Ph.D., 2009. Caltech, 2017-19; 2022; Visiting Associate, 2022.

Dorit Kliemann, Ph.D.
Visiting Associate in Cognitive Neuroscience
M.S., Freie Universitat Berlin, 2008; Ph.D., 2013. Caltech, 2020-21; 2022-23.

Wolfgang G Knauss, Ph.D.
Theodore von Karman Professor of Aeronautics and Applied Mechanics, Emeritus
B.S., Caltech, 1958; M.S., 1959; Ph.D., 1963. Research Fellow in Aeronautics, 1963-65; Assistant Professor, 1965-69; Associate Professor, 1969-78; Professor, 1978-82; Professor of Aeronautics and Applied Mechanics, 1982-2001; von Karman Professor, 2001-2004; von Karman Professor Emeritus, 2004-.

Heather A Knutson, Ph.D.
Professor of Planetary Science; Divisional Academic Officer for Geological and Planetary Sciences
B.Sc., Johns Hopkins University, 2004; A.M., Harvard University, 2006; Ph.D., 2009. Visiting Associate, Caltech, 2010-11; Assistant Professor, 2011-17; Professor, 2017-. Divisional Academic Officer, 2022-.

Jonathan Koch, Ph.D.
Caltech-Huntington Humanities Collaborations Postdoctoral Instructor and Anne Rothenberg Postdoctoral Instructor in English
B.A., Davidson College, 2011; M.A., Washington University in St. Louis, 2016; Ph.D., 2020. Caltech, 2020-23.

Monica D Kohler, Ph.D.
Research Professor of Mechanical and Civil Engineering
A.B., Harvard University, 1988; Ph.D., Caltech, 1995. Assistant Research Engineer, University of California (Los Angeles), 1998-2011. Visiting Associate, Caltech, 2007-11; Lecturer, 2009, 2012, 2013; Research Assistant Professor, 2011-17; Research Professor, 2018-.

Charles A Kollmer, Ph.D.
Ahmanson Postdoctoral Instructor in History of Biology
B.A., Williams College, 2010; M.A., New York University, 2013; Ph.D., Princeton University, 2020. Caltech, 2020-23.

Manoochehr M Koochesfahani, Ph.D.
Visiting Associate in Aerospace
B.S., Rensselaer Polytechnic Institute, 1977; M.S., California Institute of Technology, 1978, Ph.D., 1984. Visiting Professor, 2001. Caltech, 2022.

Diana L Kormos-Buchwald, Ph.D.
Robert M. Abbey Professor of History
B.Sc., Technion-Israel Institute of Technology, 1981; M.Sc., Tel Aviv University, 1983; A.M., Harvard University, 1985; Ph.D., 1990. Instructor, Caltech, 1989-90; Assistant Professor, 1990-96; Associate Professor, 1996-2005; Professor, 2005-2017; Abbey Professor, 2018-.

Julia A Kornfield, Ph.D.
Elizabeth W. Gilloon Professor of Chemical Engineering
B.S., Caltech, 1983; M.S., 1984; Ph.D., Stanford University, 1988. Assistant Professor, Caltech, 1990-95; Associate Professor, 1995-2001; Professor, 2001-19; Gilloon Professor, 2020-.

Victoria Kostina, Ph.D.
Professor of Electrical Engineering and Computing and Mathematical Sciences
B.S., Moscow Institute of Physics and Technology, 2004; M.S., University of Ottawa, 2006; Ph.D., Princeton University, 2013. Assistant Professor, Caltech, 2014-2020; Professor, 2020-.

J M (Morgan) Kousser, Ph.D.
Professor of History and Social Science, Emeritus
A.B., Princeton University, 1965; M.Phil., Yale University, 1968; Ph.D., 1971. Instructor in History, Caltech, 1969-71; Assistant Professor, 1971-74; Associate Professor, 1974-79; Professor, 1979-80; Professor of History and Social Science, 1980-2013, 2018-20; Kenan Professor, 2013-18; Emeritus, 2020-.

Anne J Kox, Ph.D.
Visiting Associate in History
M.S., University of Amsterdam, 1972; Ph.D., 1976. Pieter Zeeman Professor, 1998-. Visiting Professor, Caltech, 2003; Visiting Associate, 2005-21.

Shrinivas R (Shri) Kulkarni, Ph.D., D.h.c.
George Ellery Hale Professor of Astronomy and Planetary Science
M.S., Indian Institute of Technology, 1978; Ph.D., University of California, 1983; D.h.c., Radboud University. Millikan Research Fellow in Radio Astronomy, Caltech, 1985-87; Assistant Professor of Astronomy, 1987-90; Associate Professor, 1990-92; Professor, 1992-96; Professor of Astronomy and Planetary Science, 1996-2001; MacArthur Professor, 2001-17; Hale Professor, 2017-; Executive Officer for Astronomy, 1997-2000. Director of Caltech Optical Observatories, 2006-18.

Akiko Kumagai, Ph.D.
Research Professor of Biology
B.S., Kyoto University (Japan), 1979; Ph.D., 1986. Senior Research Fellow, Caltech, 1989-95; Senior Research Associate, 1996-2014; Research Professor, 2014-.

Jenijoy La Belle, Ph.D.
Professor of English, Emeritus
B.A., University of Washington, 1965; Ph.D., University of California (San Diego), 1969. Assistant Professor of English, Caltech, 1969-76; Associate Professor, 1977-80; Associate Professor of Literature, 1980-88; Professor of Literature, 1988-2004; Professor of English, 2004-2007; Professor Emeritus, 2007-.

Paul F La Porte, Ph.D.
Visiting Associate in Chemical Engineering
B.A., University of Chicago, 2005; Ph.D., 2011, M.D., 2012. Caltech, 2016-21.

Jay A Labinger, Ph.D.
Faculty Associate in Chemistry
B.S., Harvey Mudd College, 1968; Ph.D., Harvard University, 1974. Caltech, 1988-1996; Lecturer, 2008-11; Faculty Associate, 2006-22.

Michael P Lamb, Ph.D.
Professor of Geology
B.S., University of Minnesota, 2001; M.S., University of Washington, 2004; Ph.D., University of California, Berkeley, 2008. Assistant Professor, Caltech, 2009-14; Professor, 2014-.

Robert J Lang, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., California Institute of Technology, 1982; M.S., Stanford University, 1983; Ph.D., California Institute of Technology, 1986. Caltech, 2020-23.

Michael Langberg, Ph.D.
Visiting Associate in Electrical Engineering
B.S., Tel Aviv University, 1996; M.S., Weizmann Institute, 1998; Ph.D., 2003. Visiting Associate in Computing and Mathematical Sciences, 2012-13; Caltech, 2022.

Nadia Lapusta, Ph.D.
Lawrence A. Hanson, Jr., Professor of Mechanical Engineering and Geophysics
Dipl., Kiev State University, 1994; M.S., Harvard University, 1996; Ph.D., 2001. Assistant Professor of Mechanical Engineering, Caltech, 2002-03; Assistant Professor of Mechanical Engineering and Geophysics, 2003-08; Associate Professor, 2008-10; Professor, 2010-19; Hanson Professor, 2019-.

Eugene Lavretsky, Ph.D.
Lecturer in Aerospace
M.S., Saratov State University (Russia), 1983; Ph.D., Claremont Graduate University, 2000. Lecturer in Computing and Mathematical Sciences, 2006-14; 2015-2016; 2018; 2020-21; Caltech, 2022.

Joseph Lazio, Ph.D.
Visiting Associate in Astronomy
B.S., University of Iowa, 1989; M.S., Cornell University, 1992, Ph.D, 1997. Caltech, 2010-13; 2016-23.

Jared R Leadbetter, Ph.D.
Professor of Environmental Microbiology
B.S., Goucher College, 1991; Ph.D., Michigan State University, 1997. Assistant Professor, Caltech, 2000-06; Associate Professor, 2006-10; Professor, 2010-.

Hannah F LeBlanc, Ph.D.
Howard E. and Susanne C. Jessen Postdoctoral Instructor in STEM and Inequality
B.S., Brown University, 2012; Ph.D., Stanford University, 2019. Caltech, 2021-23.

John O Ledyard, Ph.D., D.Lit.h.c.
Allen and Lenabelle Davis Professor of Economics and Social Sciences, Emeritus
A.B., Wabash College, 1963; M.S., Purdue University, 1965; Ph.D., 1967; D.Lit.h.c., Purdue University. Professor, Caltech, 1985-2016; Davis Professor, 2002-16; Davis Professor, Emeritus, 2016-. Executive Officer for the Social Sciences, 1989-92; Chair, Division of the Humanities and Social Sciences, 1992-2002.

Brian Lee, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., University of Southern California, 1999; Ph.D., Caltech, 2006; M.D., University of Southern California, 2008. Caltech, 2013-22.

Darrin J Lee, Ph.D.
Visiting Associate in Chemical Engineering
B.S., Brown University, 2002; Ph.D., University of California (Davis), 2013; M.D., University of California (Irvine), 2009. Caltech, 2018-22.

Patrick A Lee, Ph.D.
Visiting Associate in Theoretical Physics
B.S., Massachusetts Institute of Technology, 1966; Ph.D, 1970. Moore Distinguished Scholar, 2010. Caltech, 2016-2024.

Dennis Lehmkuhl, Ph.D.
Visiting Associate in History and Philosophy of Science
MSc., Imperial College London, 2003; M.A., Hamburg University, 2006; DPhil., Oxford University (Oriel College), 2009. Visiting Associate, Caltech, 2010, 2012, 2015. Caltech, 2015-18; 2020-25.

Stephanie Leifer, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B.A., University of Pennsylvania, 1989; M.S., California Institute of Technology, 1993; Ph.D., 1995. Caltech, 2021-23.

Anthony Leonard, Ph.D.
Theodore von Karman Professor of Aeronautics, Emeritus
B.S., Caltech, 1959; M.S., Stanford University, 1960; Ph.D., 1963. Professor, Caltech, 1985-2000; von Karman Professor, 2000-2005; von Karman Professor Emeritus, 2005-.

Oscar F Leong, Ph.D.
von Karman Instructor in Computing and Mathematical Sciences
B.A., Swarthmore College, 2016; M.A., Rice University, 2019; Ph.D., 2021. Caltech, 2021-23.

Edan Lepucki
Lecturer in Creative Writing
B.A., Oberlin College, 2002; M.F.A., University of Iowa, 2006; Caltech, 2021; 2022.

Laurie Leshin, Ph.D.
Vice President and Director of the Jet Propulsion Laboratory; Bren Professor of Geochemistry and Planetary Science
B.S., Arizona State University, Tempe, 1987; M.S., Caltech, 1989; Ph.D., 1995. Bren Professor, 2022-; Vice President and Director, 2022-, Caltech.

Henry A Lester, Ph.D.
Professor of Biology
A.B., Harvard College, 1966; Ph.D., Rockefeller University, 1971. Assistant Professor, Caltech, 1973-76; Associate Professor, 1976-83; Professor, 1983-2000, 2017-; Bren Professor, 2000-2017; Executive Officer, 2010-13.

Carmel Levitan, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.A., Stanford University, 2001; Ph.D., University of California (San Francisco & Berkeley), 2007. Caltech, 2009-22.

Daniel Lewis, Ph.D.
Lecturer in History
B.A, University of Redlands, 1981; M.A., University of California (Riverside), 1988, Ph.D, 1997. Caltech, 2018-22.

Nathan S (Nate) Lewis, Ph.D.
George L. Argyros Professor and Professor of Chemistry
B.S., Caltech, 1977; M.S., 1977; Ph.D., Massachusetts Institute of Technology, 1981. Associate Professor, Caltech, 1988-91; Professor, 1991-2001; Argyros Professor, 2002-.

Scott M Lewis, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B. Eng., Cardiff University, 2002; M.Sc., 2004; Ph.D., 2009. Research Fellow, The University of Manchester, 2013-. Caltech, 2018-23.

Anqi Li, Ph.D.
Visiting Associate in Economics
B.A., University of Hong Kong, 2007; Ph.D., Stanford University, 2012. Caltech, 2021-22.

Kenneth G Libbrecht, Ph.D.
Professor of Physics
B.S., Caltech, 1980; Ph.D., Princeton University, 1984. Visiting Associate in Solar Astronomy, Caltech, 1984; Assistant Professor of Astrophysics, 1984-89; Associate Professor, 1989-95; Professor of Physics, 1995-. Executive Officer, 1997-13.

E J (John) List, Ph.D.
Professor of Environmental Engineering Science, Emeritus
B.E., University of Auckland, 1961; M.E., 1962; Ph.D., Caltech, 1965. Research Fellow, 1965-66; Assistant Professor, 1969-72; Associate Professor, 1972-78; Professor, 1978-97; Professor Emeritus, 1997-. Executive Officer for Environmental Science, 1980-85.

Charles Y Liu, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S.E., University of Michigan (Ann Arbor), 1987; Ph.D., Rice University, 1993; M.D., Yale University School of Medicine, 1996. Resident Physician, University of Southern California, Keck School of Medicine, 1996-. Caltech, 2002-11; 2014-21.

Junjie Liu, Ph.D.
Visiting Associate in Environmental Science and Engineering
B.S., Nanjing University of Information Science and Technology, 2000; M.S., 2003; Ph.D., University of Maryland, 2007. Caltech, 2017-22.

Yang Liu, Ph.D.
Visiting Associate in Geochemistry
B.S., Chengdu University of Technology, 1995; M.S., University of Michigan, 1998; Ph.D., University of Michigan, 2003. Lecturer, 2015. Caltech, 2013-23.

Alexis Livanos, Ph.D.
Visiting Associate in Aerospace
B.S., California Institute of Technology, 1970; M.S., 1972; Ph.D., 1975. Faculty Associate, 2013-2018. Visiting Associate, 2018-23.

Carlos Lois, Ph.D.
Research Professor of Biology
M.D., University of Valencia, 1991; Ph.D., Rockefeller University, 1995. Caltech, Visiting Associate, 2014-15; Research Professor 2015-.

Gabriel Lopez-Moctezuma Jassan, Ph.D.
Assistant Professor of Political Science
B.A., Instituto Tecnologico Automomo de Mexico, 2007; M.A., Princeton University, 2012; Ph.D., 2016. Caltech, 2017-.

Gary A Lorden, Ph.D.
Professor of Mathematics, Emeritus
B.S., Caltech, 1962; Ph.D., Cornell University, 1966. Assistant Professor, Caltech, 1968-71; Associate Professor, 1971-77; Professor, 1977-2009; Professor Emeritus, 2009-. Dean of Students, 1984-88; Vice President for Student Affairs, 1989-98; Acting Vice President, 2002; Executive Officer for Mathematics, 2003-2006.

Steven H Low, Ph.D.
Frank J. Gilloon Professor of Computing and Mathematical Sciences and Electrical Engineering
B.S., Cornell University, 1987; M.S., University of California, 1989; Ph.D., 1992. Associate Professor, Caltech, 2000-06; Professor, 2006-18; Gilloon Professor, 2018-.

Urmila M Mahadev, Ph.D.
Assistant Professor of Computing and Mathematical Sciences; Nickerson Scholar
B.S., University of Southern California, 2010; Ph.D., University of California, Berkeley, 2018. Visiting Associate, Caltech, 2019-20; Assistant Professor, 2020-; Nickerson Scholar, 2021-.

Walid Majid, Ph.D.
Visiting Associate in Physics
B.S., Swarthmore College, 1986; M.S., University of Illinois, Urbana, 1987; Ph.D., 1993. Caltech, 2015-23.

Nikolai Makarov, Ph.D.
Richard Merkin Distinguished Professor of Mathematics
B.A., Leningrad University, 1982; Ph.D., LOMI Mathematics Institute (Leningrad), 1986. Visiting Professor, Caltech, 1991; Professor, 1991-13; Merkin Professor, 2013-.

Kebreten F Manaye
Visiting Associate in Biology and Biological Engineering
M.D., Aristotle University of Thessaloniki, 1984. Caltech, 2022-25.

Oscar Mandel, Ph.D.
Professor of Literature, Emeritus
B.A., New York University, 1947; M.A., Columbia University, 1948; Ph.D., Ohio State University, 1951. Visiting Associate Professor of English, Caltech, 1961-62; Associate Professor, 1962-68; Professor, 1968-80; Professor of Literature, 1980-2003; Professor Emeritus, 2003-.

Nareen Manoukian
Lecturer in Writing
B.A., California State University, Northridge, 2008; M.A., 2011; M.Ed., Harvard Graduate School of Education, 2015; Ed.D., University of Southern California, 2019. Caltech, 2021, 2022.

Yohei Mantani, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., Kobe University, 2009; Ph.D., 2013. Caltech, 2022-23.

Karthish Manthiram, Ph.D.
Professor of Chemical Engineering and Chemistry; William H. Hurt Scholar
B.S., Stanford University, 2010; Ph.D., University of California, Berkeley, 2015. Visitor, Caltech, 2015-16; Visiting Associate, 2021; Professor, 2021-; Hurt Scholar, 2022-.

Elena Mantovan, Ph.D.
Professor of Mathematics
Laurea, University of Padova, 1995; M.A., Harvard University, 1998; Ph.D., 2002. Assistant Professor, Caltech, 2005-10; Associate Professor, 2010; Professor, 2010-; Executive Officer, 2016-19.

Uri M Maoz, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., Hebrew University of Jerusalem, 2008; Ph.D., 2008. Caltech, 2019-22.

Alireza Marandi, Ph.D.
Assistant Professor of Electrical Engineering and Applied Physics
B.S., University of Tehran, 2006; M.S., University of Victoria, 2008; Ph.D., Stanford University, 2013. Visiting Associate, Caltech, 2017-18; Assistant Professor, 2018-.

Matilde Marcolli, Ph.D.
Robert F. Christy Professor of Mathematics and Computing and Mathematical Sciences
Laurea, University Degli Studi, 1993; M.Sc., University of Chicago, 1994; Ph.D., 1997. Caltech, Professor, 2008-19, Christy Professor, 2019-.

Rudolph A (Rudy) Marcus, Nobel Laureate, Ph.D., D.Sc.h.c., Fil.Dr.h.c., D.h.c.
John G. Kirkwood and Arthur A. Noyes Professor of Chemistry
B.Sc., McGill University, 1943; Ph.D., 1946; D.Sc.h.c., University of Chicago; McGill University; Polytechnic University; University of Oxford; University of New Brunswick; Queen's University; University of North Carolina (Chapel Hill); University of Ilinois; Technion-Israel Institute of Technology; Universidad Politecnica de Valencia; University of Waterloo; Fil.Dr.h.c., Gothenburg University; D.h.c., Yokohama National University; Northwestern University. Noyes Professor, Caltech, 1978-2012; Kirkwood-Noyes Professor, 2013-.

Alain J Martin, Ph.D.
Professor of Computer Science, Emeritus
B.S., University of Marseille, 1965; Ing., Polytechnic Institute (Grenoble), 1969. Visiting Assistant Professor, Caltech, 1981-83; Visiting Associate Professor, 1983; Associate Professor, 1983-86; Professor, 1986-2016; Professor, Emeritus, 2016-. Executive Officer, 1994-97.

Christopher Martin, Ph.D.
Professor of Physics
B.A., Oberlin College, 1978; Ph.D., University of California, 1986. Caltech, 1993-.

Sami F Masri, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., University of Texas, 1960; M.S., 1961; M.S., Caltech, 1962; Ph.D., 1965. Professor, University of Southern California, 1981-. Research Fellow in Mechanical Engineering, Caltech, 1965-66; Visiting Associate, 1973; 1981; 1989-96; Visiting Associate in Civil Engineering, 2002-04, 2010-11; 2016-23.

Anthony T Massari, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., New Jersey Institute of Technology, 2007; M.S., University of California (Berkeley), 2008; M.S., California Institute of Technology, 2017; Ph.D., 2017. Caltech; 2020-22.

Tara L Mastro, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., University of California, Riverside, 2006; Ph.D., University of Southern California, 2015. Caltech, 2021-23.

Andrey B Matsko, Ph.D.
Lecturer in Applied Physics and Materials Science
M.S., Moscow State University, 1994; Ph.D., 1996. Caltech, 2022.

Ken Matsuoka, Ph.D.
Visiting Associate in Aerospace
Ph.D., University of Tsukuba, 2012. Caltech, 2022-23.

Dimitri P Mawet, Ph.D.
Professor of Astronomy; Jet Propulsion Laboratory Senior Research Scientist
Dipl., University of Liege, 2002; M.Phil., 2004; Ph.D., 2006. Caltech, Associate Professor, 2015-2019; Professor, 2019-. Jet Propulsion Laboratory Research Scientist, 2015-22; Jet Propulsion Laboratory Senior Research Scientist, 2022-.

Stephen L (Steve) Mayo, Ph.D.
Bren Professor of Biology and Chemistry; Merkin Institute Professor
B.S., Pennsylvania State University, 1983; Ph.D., Caltech, 1987. Senior Research Fellow, Caltech, 1991-92; Assistant Professor, 1992-98; Associate Professor, 1998-2003; Professor, 2003-07; Bren Professor, 2007-; Merkin Institute Professor, 2021-; HHMI Investigator, 1994-07; Executive Officer for Biochemistry and Molecular Biophysics, 2004-07; Vice Provost, 2007-10; Division Chair, 2010-20; Bowes Jr. Leadership Chair, 2012-20.

Aaron Mazel-Gee, Ph.D.
Sherman Fairchild Instructor in Mathematics
B.S., Brown University, 2009; M.S., 2009; Ph.D., University of California, Berkeley, 2016. Caltech 2020-23.

Sarkis Mazmanian, Ph.D.
Luis B. and Nelly Soux Professor of Microbiology
B.S., University of California (Los Angeles), 1995; Ph.D., 2002. Assistant Professor, Caltech, 2006- 12; Professor, 2012-14; Soux Professor, 2014-; HMRI Investigator, 2015-21.

Eric V Mazumdar, Ph.D.
Assistant Professor of Computing and Mathematical Sciences and Economics
B.S., Massachusetts Institute of Technology, 2015; Ph.D., University of California, Berkeley, 2021. Assistant Professor, Caltech, 2021-.

Daniel (Dan) McCleese, Ph.D.
Visiting Associate in Environmental Science and Engineering
B.S., Antioch College, 1972; D.Phil, University of Oxford, 1976. Chief Scientist, Jet Propulsion Laboratory, 1994-2017. Caltech, 2002-22.

Lee P McCuller, Ph.D.
Assistant Professor of Physics
B.S., University of Texas, Austin, 2010; Ph.D., University of Chicago, 2015. Caltech, Visiting Associate, 2021-22; Assistant Professor, 2022-.

Margaret J McFall-Ngai, Ph.D.
Faculty Associate in Biology and Biological Engineering
B.S., University of San Francisco, 1973; Ph.D., University of California (Los Angeles), 1983. Moore Distinguished Scholar, 2011-12, 2013; Caltech, 2022-25.

Beverley J McKeon, Ph.D.
Theodore von Karman Professor of Aeronautics; EAS Division Deputy Chair
B.A., University of Cambridge, 1995; M.Eng.,1996; M.A. (Mechanical and Aerospace Engineering); M.A. (Engineering), Princeton University, 1999; Ph.D., 2003. Assistant Professor, Caltech, 2006-11; Professor, 2011-17; von Karman Professor, 2017-; Associate Director, 2012-17; Division Deputy Chair, 2020-.

Carver Mead, Ph.D., D.Sc.h.c., D.h.c.
Gordon and Betty Moore Professor of Engineering and Applied Science, Emeritus
B.S., Caltech, 1956; M.S., 1957; Ph.D., 1960; D.Sc.h.c., University of Lund (Sweden); D.h.c., University of Southern California. Instructor in Electrical Engineering, Caltech, 1958-59; Assistant Professor, 1959-62; Associate Professor, 1962-67; Professor, 1967-77; Professor of Computer Science and Electrical Engineering, 1977-80; Moore Professor of Computer Science, 1980-92; Moore Professor of Engineering and Applied Science, 1992-99; Moore Professor Emeritus, 1999-.

Simona Mei, Ph.D.
Visiting Associate in Physics
Ph.D., University of Strasbourg, 1999. Professor, University of Paris, 2006-. Caltech, 2008-13; 2016-24.

Daniel I (Dan) Meiron, Ph.D.
Fletcher Jones Professor of Aeronautics and Applied and Computational Mathematics
S.B., Massachusetts Institute of Technology, 1976; Sc.D., 1981. Research Fellow in Applied Mathematics, Caltech, 1981-83; Visiting Associate, 1984-85; Assistant Professor, 1985-89; Associate Professor, 1989-94; Professor, 1994-2000; Professor of Applied and Computational Mathematics, 2000; Professor of Applied and Computational Mathematics and Computer Science, 2001-06; Jones Professor of Applied and Computational Mathematics and Computer Science, 2006-09. Jones Professor, 2009-;Executive Officer for Applied Mathematics, 1994-98; Associate Provost for Information and Information Technology, 2000-04. Associate Director, 2009-12.

Markus Meister, Ph.D.
Anne P. and Benjamin F. Biaggini Professor of Biological Sciences
Dipl., Technische Universitat Munchen, 1980; Ph.D., Caltech, 1987. Moore Distinguished Scholar, Caltech, 2004; Professor, 2012-13; Hanson Professor, 2013-15; Biaggini Professor, 2015-; Executive Officer, 2017-20.

Michael Mello, Ph.D.
Teaching Professor of Mechanical and Civil Engineering
B.S., Bridgewater State College, 1985; M.S., University of Rochester, 1988; Ph.D., Caltech, 2012. Lecturer in Mechanical and Civil Engineering, 2014-2020; Teaching Professor of Mechanical and Civil Engineering, 2020-.

Jeffrey M (Jeff) Mendez, Ph.D.
Lecturer in Chemistry
B.S., California Institute of Technology, 1999; Ph.D., 2008. Caltech, 2013-22.

Trevor C Merrill, Ph.D.
Lecturer in French
B.A., Yale University, 2000; Ph.D., University of California, Los Angeles, 2011. Caltech, 2012-13; 2014-22.

Richard A Mewaldt, Ph.D.
Research Professor of Physics
B.A., Lawrence University, 1965; M.A., Washington University (St.Louise), 1967; Ph.D., 1971. Research Fellow, Caltech, 1971-75; Senior Research Fellow, 1975-81; Lecturer, 1987; Research Professor, 1981-.

Victoria F Meyer, Ph.D.
Lecturer in Engineering
B.S., University of Bordeaux, 2008; M.S., EGID Institute, Bordeaux, 2010; Ph.D., Paul Sabatier University, 2017. Caltech, 2021-22.

Elliot Meyerowitz, Ph.D., D.h.c., D.Sc.h.c.
George W. Beadle Professor of Biology; Investigator, Howard Hughes Medical Institute
A.B., Columbia University, 1973; M.Phil., Yale University, 1975; Ph.D., 1977; D.h.c., École Normale Supérieure; D.Sc.h.c., Yale University. Assistant Professor, Caltech, 1980-85; Associate Professor, 1985-89; Professor, 1989-2002; Beadle Professor, 2002-; HHMI Investigator, 2013-; Executive Officer, 1995-2000; Chair, Division of Biology, 2000-10.

Charles E Miller, Ph.D.
Visiting Associate in Environmental Science and Engineering
B.S., Duke University, 1986; Ph.D., University of California, Berkeley, 1991. Caltech, 2012-14; 2016-23.

Thomas F (Tom) Miller, Ph.D.
Visiting Associate in Chemistry
B.S., Texas A&M University, 2000; Ph.D., University of Oxford, 2005. Assistant Professor, Caltech, 2008-13; 2022; Professor 2013-22.

Feng-Ying Ming, Ph.D.
Lecturer in Chinese
B.A., Tamkang University (Taiwan), 1978; M.A., California State University, 1984; M.A., University of California (Los Angeles), 1991; Ph.D., 1999. Caltech, 2000-.

Austin J Minnich, Ph.D.
Professor of Mechanical Engineering and Applied Physics
B.S., University of California, Berkeley, 2006; M.S., Massachusetts Institute of Technology, 2008; Ph.D., 2011. Assistant Professor, Caltech, 2011-17, Professor, 2017-.

Mohammad Mirhosseini, Ph.D.
Assistant Professor of Electrical Engineering and Applied Physics
B.S., University of Tehran, 2010; M.S., University of Rochester, 2013; Ph.D., 2015. Visiting Associate, Caltech, 2020; Assistant Professor, 2020-.

Betsy Mitchell
Director of Athletics, Physical Education and Recreation
M.A., University of Texas (Austin), 1991; B.S., 1998. Caltech, 2011-.

Eric D Mjolsness, Ph.D.
Visiting Associate in Biology and Biological Engineering
A.B., Washington University, 1980; Ph.D., Caltech, 1985. Principal Computer Scientist, Jet Propulsion Laboratory, 1998-; Associate Professor, University of California (Irvine), 2002-2009; Professor, University of California (Irvine), 2009-. Faculty Associate, Caltech, 2000-02; Moore Distinguished Scholar, 2010-11. Caltech, Visiting Associate, 2002-10; 2016-23.

Dean Mobbs, Ph.D.
Professor of Cognitive Neuroscience; Allen V. C. Davis and Lenabelle Davis Leadership Chair, Caltech Brain Imaging Center; Director, Caltech Brain Imaging Center
B.S., University of Birmingham, 1999; Ph.D., University College London, 2008. Assistant Professor, Caltech, 2016-20; Professor, 2020-; Chen Scholar, 2019-21; Davis Leadership Chair, 2021-; Director, 2021-.

Sergey Morozov, Ph.D.
Visiting Associate in Chemistry
Ph.D., South Ural State University, 1998. Caltech, 2020-22.

Jon Morse, Ph.D.
Visiting Associate in Astronomy
B.A., Harvard University, 1987; M.S., University of North Carolina, Chapel Hill, 1989; Ph.D., 1992. Caltech, 2022-25.

Elias R Most, Ph.D.
Visiting Associate in Theoretical Astrophysics
B.S., University of Gottingen, 2013; M.S., Goethe University Frankfurt, 2017; Ph.D., 2020. Caltech 2022-23.

Olexei I Motrunich, Ph.D.
Professor of Theoretical Physics
B.S., University of Missouri (Columbia), 1996; Ph.D., Princeton University, 2001. Assistant Professor, Caltech, 2006-12; Professor, 2012-.

Duane O Muhleman, Ph.D.
Professor of Planetary Science, Emeritus
B.S., University of Toledo, 1953; Ph.D., Harvard University, 1963. Associate Professor, Caltech, 1967-71; Professor, 1971-97; Professor Emeritus, 1997-. Staff Member, Owens Valley Radio Observatory, 1967-.

Dana M Murphy, Ph.D.
Assistant Professor of Black Studies and English
B.A., University of California, Berkeley, 2011; M.A., University of California, Irvine, 2015; Ph.D, 2018. Caltech, Assistant Professor, 2021-.

Richard M Murray, Ph.D.
Thomas E. and Doris Everhart Professor of Control and Dynamical Systems and Bioengineering; William K. Bowes Jr. Leadership Chair, Division of Biology and Biological Engineering
B.S., Caltech, 1985; M.S., University of California, Berkeley, 1988; Ph.D., 1990. Assistant Professor of Mechanical Engineering, Caltech, 1991-97; Associate Professor, 1997-2000; Professor, 2000-05; Professor of Control and Dynamical Systems, 2005-06; Everhart Professor of Control and Dynamical Systems; 2006-09; Everhart Professor of Control and Dynamical Systems and Bioengineering, 2009-. Chair, Engineering and Applied Science, 2000-05; Director, Information Science and Technology, 2006-2009; Interim Chair, Engineering and Applied Science, 2008-09; Division Chair, 2020-; Bowes Jr. Leadership Chair, 2020-.

Hillary Mushkin
Research Professor of Art and Design in Engineering and Applied Science and the Humanities and Social Sciences
BFA, Rhode Island School of Design, 1991; MFA, University of California, Irvine, 1994. Caltech, 2011-.

Paul Myrow, Ph.D.
Visiting Associate in Geology
B.A., Colgate University, 1980; M.S., University of Vermont, 1983; Ph.D., Memorial University of Newfoundland, 1987. Caltech, 2009; 2020; 2021-22.

Stevan Nadj-Perge, Ph.D.
Assistant Professor of Applied Physics and Materials Science
M.S., Belgrade University, 2006; Ph.D., Delft University of Technology, 2010. Visiting Associate, Caltech, 2015; Assistant Professor, 2016-.

Abbas Nasiraei Moghaddam, Ph.D.
Visiting Associate in Aerospace
B.S., University of Tehran, 1995; M.S., 1998; Ph.D, California Institute of Technology, 2006. Visiting Associate in Bioengineering, 2010-15. Caltech, 2022.

Vijay Natraj, Ph.D.
Visiting Associate in Planetary Sciences
B. E., National University of Singapore, 1998; M.S. California Institute of Technology, 2004; Ph.D., 2008; Caltech, 2020-23.

Hosea M Nelson, Ph.D.
Professor of Chemistry
B.S., University of California, Berkeley, 2005; Ph.D., California Institute of Technology, 2013. Visiting Associate, Caltech, 2021; Professor, 2021-.

Dianne K Newman, Ph.D.
Gordon M. Binder/Amgen Professor of Biology and Geobiology; Executive Officer for Biology and Biological Engineering
B.A., Stanford University, 1993; Ph.D., Massachusetts Institute of Technology, 1997. Clare Booth Luce Assistant Professor, Caltech, 2000-05; Associate Professor, 2005-06; Professor, 2006-16; HHMI Investigator, 2005-16; Binder/Amgen Professor, 2016-; Davis Leadership Chair, 2017-20; Executive Officer, 2017-.

Harvey B Newman, Sc.D., D.h.c.
Marvin L. Goldberger Professor of Physics
B.S., Massachusetts Institute of Technology, 1968; Sc.D., 1973; D.h.c., University Politehnica of Bucharest; Pavol Jozef Safarik University. Associate Professor, Caltech, 1982-90; Professor, 1990-17; Goldberger Professor, 2017-.

Nga Lee (Sally) Ng, Ph.D.
Visiting Associate in Environmental Science and Engineering
B. E., Hong Kong University of Science and Technology, 2002; M.S., California Institute of Technology, 2004; Ph.D., 2007. Caltech, 2021.

Hien T Nguyen, Ph.D.
Visiting Associate in Physics
Ph.D., Princeton University, 1993. Research Scientist, Jet Propulsion Laboratory, 2002-. Visiting Associate, Caltech, 2007-20; Lecturer, 2007; 2008; 2009; 2014; 2015-25.

Yi Ni, Ph.D.
Professor of Mathematics
B.S., Peking University, 2001; M.S., 2003; Ph.D., Princeton University, 2007. Assistant Professor, Caltech, 2009-15; Professor, 2015-.

Marc A Nicolet, Ph.D.
Professor of Electrical Engineering and Applied Physics, Emeritus
Ph.D., University of Basel, 1958. Assistant Professor of Electrical Engineering, Caltech, 1959-65; Associate Professor, 1965-73; Professor, 1973-88; Professor of Electrical Engineering and Applied Physics, 1988-98; Professor Emeritus, 1998-.

Kirby K Nielsen, Ph.D.
Assistant Professor of Economics; William H. Hurt Scholar
B.A., Rice University, 2013; M.A., Ohio State University, 2014; Ph.D, 2018. Caltech, 2020-; Hurt Scholar, 2021-.

Gunter Niemeyer, Ph.D.
Lecturer in Mechanical and Civil Engineering
B.A., RWTH Aachen University, 1986; M.S., Massachusetts Institute of Technology, 1990; Ph.D., 1996. Visiting Associate, 2018-19. Caltech, 2020-.

Shouleh Nikzad, Ph.D.
Lecturer in Medical Engineering; Visiting Associate in Physics
B.S., University of Southern California, 1982; M.S., California Institute of Technology, 1983; Ph.D., 1983. Staff, Jet Propulsion Laboratory, 1992-. Research Fellow, Caltech, 1990-91; Visiting Associate, 1992-96; 2012-23.; Lecturer, 2016-17; 2019-22.

Sven Nolte, Ph.D.
Visiting Associate in Finance
M.A., Universität Munster, Ph.D., 2013. Caltech, 2020; 2021-22.

Taku Nonomura, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., Nagoya University, 2003; M.S., The University of Tokyo, 2005; Ph.D., 2008. Caltech, 2021-2022.

Ralph G Nuzzo
Visiting Associate in Applied Physics and Materials Science
A.B., Rutgers College, 1976; Massachusetts Institute of Technology; 1980. Caltech, 2015-19; 2021-25.

Barbara B Oberg, Ph.D.
Visiting Associate in History
B.A., Wellesley College, 1964; M.A., University of California (Santa Barbara), 1967, Ph.D., 1974. Caltech, 2016; 2017; 2018; 2019-22.

John P O'Doherty, Ph.D.
Fletcher Jones Professor of Decision Neuroscience
B.A., University of Dublin (Trinity College), 1996; D.Phil., University of Oxford, 2000. Assistant Professor, Caltech, 2004-07; Associate Professor, 2007-09; Professor of Psychology, 2009-21; Professor of Decision Neuroscience, 2021-; Fletcher Jones Professor, 2021-; Director, Caltech Brain Imaging Center, 2013-17.

Hiroshi (Hirosi Ooguri) Oguri, Ph.D.
Fred Kavli Professor of Theoretical Physics and Mathematics; Director, Walter Burke Institute for Theoretical Physics
B.A., Kyoto University (Japan), 1984; M.A., 1986; Ph.D., University of Tokyo, 1989. Visiting Associate, Caltech, 1999-2000; Professor, 2000-07; Kavli Professor, 2007-; Deputy Chair, 2010-15; Director, 2014-.

Yuki Oka, Ph.D.
Professor of Biology and Chen Scholar; Investigator, Heritage Medical Research Institute
B.A., The University of Tokyo, 2002; Ph.D., 2007. Assistant Professor, Caltech, 2014-20; Professor, 2020-; Chen Scholar, 2019-; HMRI Investigator, 2021-.

Mitchio Okumura, Ph.D.
Professor of Chemical Physics
B.S., Yale University, 1979; M.S., 1979; C.P.G.S., University of Cambridge, 1980; Ph.D., University of California, 1986. Assistant Professor, Caltech, 1988-94; Associate Professor, 1994-2003; Professor, 2003-. Executive Officer, 2006-10.

Alison E Ondrus, Ph.D.
Visiting Associate in Chemistry
B.Sc., University of Alberta, 2003; Ph.D., Massachusetts Institute of Technology, 2009. Caltech, 2017-22.

Christiane H Orcel, Ph.D.
Lecturer in French
M.A., Princeton University, 1987; Ph.D., 1992. Instructor, Caltech, 1990-93; Lecturer, 1993-95; 1995-.

Peter C Ordeshook, Ph.D.
Professor of Political Science
B.S., Massachusetts Institute of Technology, 1964; Ph.D., University of Rochester, 1969. Professor, Caltech, 1987-2009, 2013-; Harkness Professor, 2009-13. Executive Officer for the Social Sciences, 1992-95.

Victoria J Orphan, Ph.D.
James Irvine Professor of Environmental Science and Geobiology; Allen V. C. Davis and Lenabelle Davis Leadership Chair, Center for Environmental Microbial Interactions; Director, Center for Environmental Microbial Interactions
B.A., University of California (Santa Barbara), 1994; Ph.D., 2002. Assistant Professor, Caltech, 2004-2010; Associate Professor, 2010; Professor, 2010-16; James Irvine Professor, 2016-; Davis Leadership Chair, 2020-; Director, 2020-.

Michael Ortiz, Ph.D.
Frank and Ora Lee Marble Professor of Aeronautics and Mechanical Engineering, Emeritus
B.S., Polytechnic University of Madrid, 1977; M.S., University of California, 1978; Ph.D., 1982. Sherman Fairchild Distinguished Scholar, Caltech, 1994-95; Professor of Aeronautics and Applied Mechanics, 1995-2000; Professor of Aeronautics and Mechanical Engineering, 2000-04; Hayman Professor, 2004-13; Marble Professor, 2013-20; Marble Professor, Emeritus, 2020-.

Abhishek Oswal, Ph.D.
Harry Bateman Instructor in Mathematics
B.S., Chennia Mathematical Institute, India, 2014; M.S., University of Toronto, 2015; Ph.D., 2020. Caltech, 2021-23.

Houman Owhadi, Ph.D.
Professor of Applied and Computational Mathematics and Control and Dynamical Systems
B.S., Ecole Polytechnique (France), 1994; M.S., Ecole Nationale des Ponts et Chaussees, 1997; Ph.D., Ecole Polytechnique Federale de Lausanne (Switzerland), 2001. Assistant Professor, Caltech, 2004-11; Professor, 2011-.

Lior S Pachter, Ph.D.
Bren Professor of Computational Biology and Computing and Mathematical Sciences
B.S., California Institute of Technology, 1994; Ph.D., Massachusetts Institute of Technology, 1999. Bren Professor, Caltech, 2017-.

Stephen Padin, Ph.D.
Research Professor of Physics
B.Sc, University of Manchester, 1982; Ph.D, 1985. Caltech, 2009-.

Oskar J Painter, Ph.D.
John G Braun Professor of Applied Physics and Physics
B.S., University of British Columbia, 1994; M.S., Caltech, 1995; Ph.D., 2001. Visiting Associate, Caltech, 2001-02; Assistant Professor, 2002-08; Associate Professor, 2008-10; Professor, 2010-13; Braun Professor, 2013-; Executive Officer, 2010-13, 2019; Co-Director, Kavli Nanoscience Institute, 2011-13, 2015-19.

Thomas R Palfrey, Ph.D.
Flintridge Foundation Professor of Economics and Political Science
B.A., University of Michigan, 1975; M.A., 1976; Ph.D., Caltech, 1981. Professor, 1986-2002; Flintridge Foundation Professor, 2003-05; 2006-. Executive Officer for the Social Sciences, 2001-02.

Christopher Paola, Ph.D.
Visiting Professor in Geology
B.S., Lehigh University, 1976; M.S., Reading University, 1977; Ph.D., Massachusetts Institute of Technology, 1983. Caltech, 2021.

Michele Papucci, Ph.D.
Research Professor of Theoretical Physics
B.S., University of Pisa, 2001; M.S., Scuola Normale Superiore, Pisa, 2002; Ph.D., Scuola Normale Superiore, Pisa, 2009. Caltech 2019 -.

Carl S Parker, Ph.D.
Professor of Biochemistry
B.A., University of Rochester, 1973; Ph.D., Washington University (St. Louis), 1977. Assistant Professor of Chemical Biology, Caltech, 1981-87; Associate Professor, 1987-92; Professor, 1992-99; Professor of Biochemistry, 1999-. Executive Officer, 2000-04.

Joseph Parker, Ph.D.
Assistant Professor of Biology and Biological Engineering
B.S., Imperial College London, 2001; Ph.D. University of Cambridge, 2005. Visiting Associate, Caltech, 2017; Assistant Professor, 2017-.

Tod A Pascal, Ph.D.
Visiting Associate in Chemistry
B.S., Lincoln University, 2002; Ph.D., California Institute of Technology, 2009. Caltech, 2021-22.

Eleonora Patacchini, Ph.D.
Visiting Associate in Economics
Ph.D., University of Rome, La Sapienza, 2002; Ph.D., University of Southampton, 2004. Caltech, 2022.

Alina Patke, Ph.D.
Research Assistant Professor of Biology
B.S., Free University of Berlin, 1998; M.Sc., 2001; Ph.D., Humboldt University, 2007. Caltech, 2018-.

Ryan B Patterson, Ph.D.
Professor of Physics
B.S., Caltech, 2000; Ph.D., Princeton University, 2007. Assistant Professor, Caltech, 2010-17; Professor, 2017-.

Sergio Pellegrino, Ph.D.
Joyce and Kent Kresa Professor of Aerospace and Civil Engineering; Jet Propulsion Laboratory Senior Research Scientist; Co-Director, Space-Based Solar Power Project
Laurea, University of Naples, 1982; Ph.D., University of Cambridge, 1986. Professor, Caltech, 2007-2010; Kresa Professor, 2010-; Jet Propulsion Laboratory Senior Research Scientist, 2009-; Co-Director, 2016-.

Xyoli Perez-Campos, Ph.D.
Visiting Associate in Geophysics
B.S., National Autonomous University of Mexico, 1996; M.S., Stanford University, 1999; Ph.D., 2002. Associate Professor, National Autonomous University of Mexico, 2003-2009. Caltech, 2003-04; 2011-12; 2022-23.

Pietro Perona, Ph.D.
Allen E. Puckett Professor of Electrical Engineering
D.Eng., University of Padua (Italy), 1985; Ph.D., University of California, Berkeley, 1990. Assistant Professor, Caltech, 1991-96; Professor, 1996-2008; Puckett Professor, 2008-. Director, Center for Neuromorphic Systems Engineering, 1999-2004. Executive Officer, 2006-10.

Jonas C Peters, Ph.D.
Bren Professor of Chemistry; Director, Resnick Sustainability Institute
B.S., University of Chicago, 1993; Ph.D., Massachusetts Institute of Technology; 1998. Assistant Professor, Caltech, 1999-2004; Associate Professor, 2004-06; Professor, 2006-09; Bren Professor, 2010-; Executive Officer, 2013-15; Director, Resnick Sustainability Institute, 2015-.

Peter A Petillo, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B.S., University of New Hampshire- Durham, 1985; Ph.D., University of Wisconsin- Madison, 1991. Caltech, 2016-24.

Danny Petrasek, Ph.D.
Lecturer in Medical Engineering; Visiting Associate in Medical Engineering
B.S., University of California (Los Angeles), 1980; M.D., Chicago Medical School, 1985; Ph.D., Caltech, 2002. Clinical Professor, University of California (Los Angeles) School of Medicine, 2004-. Senior Research Fellow in Applied and Computational Mathematics and Bioengineering, 2002-08; Lecturer in Biology and Biological Engineering, 2005-11, 2013; 2014; 2016; 2017; 2018; 2022. Visiting Associate, Applied and Computational Mathematics and Bioengineering, 2008-13. Lecturer in Medical Engineering, 2004-2021. Visiting Associate, Medical Engineering, 2013-22.

Svetlana Pevnitskaya, Ph.D.
Visiting Associate in Economics
Diploma, Russian Academy of Economics, 1993; M.S., Claremont Graduate University, 1996; Ph.D., University of Southern California, 2002. Caltech, 2022.

Adam K Pham, Ph.D.
Howard E. and Susanne C. Jessen Postdoctoral Instructor in Philosophy
B.S., Kansas State University, Manhattan, 2010; M.A., University of Wisconsin, Madison, 2013; Ph.D., 2020. Caltech, 2020-23.

Robert B Phillips, Ph.D.
Fred and Nancy Morris Professor of Biophysics, Biology, and Physics
B.S., University of Minnesota, 1986; Ph.D., Washington University, 1989. Clark Millikan Visiting Assistant Professor, Caltech, 1997; Professor, 2000-2011; Morris Professor, 2012-.

Thomas G Phillips, Ph.D., D.h.c.
John D. MacArthur Professor of Physics, Emeritus
B.A., University of Oxford, 1961; M.A., 1964; Ph.D., 1964; D.h.c., l'Observatoire de Paris. Visiting Associate in Radio Astronomy, Caltech, 1978-79; Professor of Physics, 1979-2004. Altair Professor, 2004-11. MacArthur Professor, 2011-2013; MacArthur Professor, Emeritus, 2013-; Staff Member, Owens Valley Radio Observatory, 1978-85; Associate Director, Owens Valley Radio Observatory, 1981-85; Director, Caltech Submillimeter Observatory, 1986-2013.

E S (Sterl) Phinney, Ph.D.
Professor of Theoretical Astrophysics
B.S., Caltech, 1980; Ph.D., University of Cambridge, 1983. Assistant Professor, Caltech, 1985-91; Associate Professor, 1991-95; Professor, 1995-; Executive Officer, 2013-16.

Niles A Pierce, Ph.D.
Professor of Applied and Computational Mathematics and Bioengineering; Executive Officer for Biology and Biological Engineering
B.S.E., Princeton University, 1993; D.Phil., University of Oxford, 1997. Assistant Professor of Applied Mathematics, Caltech, 2000; Assistant Professor of Applied and Computational Mathematics, 2000-04; Assistant Professor of Applied and Computational Mathematics and Bioengineering, 2004-06; Associate Professor, 2006-10; Professor, 2010-; Acting Executive Officer for Bioengineering, 2007; Executive Officer for Bioengineering, 2007-13; Executive Officer for Biological Engineering, 2013; Executive Officer, 2020-.

George Pigman, Ph.D.
Professor of English
A.B., Harvard College, 1973; M.Phil., Yale University, 1975; Ph.D. (Comparative Literature), 1977; Ph.D., (Psychoanalysis), Southern California Psychoanalytic Institute, 1989. Assistant Professor of English, Caltech, 1977-80; Assistant Professor of Literature, 1980-83; Associate Professor, 1983-93; Professor of Literature, 1993-2004; Professor of English, 2004-. Executive Officer for the Humanities, 2003-08.

Donald H (Donnie) Pinkston
Schmidt Software Academy Instructor
B.S., Caltech, 1998. Lecturer, 2005-2021; Instructor, 2019-22.

Terry Plank, Ph.D., D.Sc.h.c.
Moore Distinguished Scholar in Geology
A.B, Dartmouth, 1985; Ph.D., Colombia University, 1993; D.Sc.h.c., Dartmouth, 2015. Caltech, Moore Distinguished Scholar, 2022.

Charles R Plott, Ph.D., D.Lit.h.c., D.h.c.
William D. Hacker Professor of Economics and Political Science, Emeritus
B.S., Oklahoma State University, 1961; M.S., 1964; Ph.D., University of Virginia, 1965; D.Lit.h.c., Purdue University; D.h.c., Universite Pierre Mendes. Professor of Economics, Caltech, 1971-87; Harkness Professor, 1987-2013; Hacker Professor, 2013-22; Hacker Professor Emeritus, 2022-.

Hugh D (David) Politzer, Nobel Laureate, Ph.D.
Richard Chace Tolman Professor of Theoretical Physics
B.S., University of Michigan, 1969; Ph.D., Harvard University, 1974. Visiting Associate, Caltech, 1975-76; Associate Professor, 1977-79; Professor, 1979-2004; Tolman Professor, 2004-. Executive Officer for Physics, 1986-88.

James E (Jay) Polk, Ph.D.
Lecturer in Aerospace
B.S., Georgia Institute of Technology, 1984; M.S., Princeton University, 1986; Ph.D., 1996. Visiting Associate, Caltech, 2007-12; Lecturer, 1999-2002; 2005-08; 2010-22.

Luciano Pomatto, Ph.D.
Professor of Economics
B.A., Universita di Torino, 2007; M.A., 2009; Ph.D., Northwestern University, 2015. Assistant Professor, Caltech, 2016-22; Professor, 2022-.

Frank C Porter, Ph.D.
Professor of Physics
B.S., Caltech, 1972; Ph.D., University of California, 1977. Research Fellow, Caltech, 1977-78; Weizmann Research Fellow, 1978-80; Senior Research Fellow, 1980-82; Assistant Professor, 1982-88; Associate Professor, 1988-94; Professor, 1994-.

Mohammad Farzad (Farzad) Pourbabaee, Ph.D.
Postdoctoral Instructor in Economic Theory
B.S., Sharif University of Technology, 2013; M.S., McMaster University, 2015; M.S., University of California, Berkeley, 2021; Ph.D, 2021. Caltech, 2021-23.

John P Preskill, Ph.D.
Richard P. Feynman Professor of Theoretical Physics; Allen V. C. Davis and Lenabelle Davis Leadership Chair, Institute for Quantum Science and Technology
A.B., Princeton University, 1975; A.M., Harvard University, 1976; Ph.D., 1980. Associate Professor, Caltech, 1983-90; Professor, 1990-2002; MacArthur Professor, 2002-09; Feynman Professor, 2010-; Davis Leadership Chair, Institute for Quantum Science and Technology, 2017-.

Glenn Price, Ph.D.
Band Director and Director of Performing and Visual Arts
B.S., University of Toronto, 1977; M.S., University of Rochester, 1981; Ph.D., 1986. Caltech, 2016-.

Thomas A (Tom) Prince, Ph.D.
Ira S. Bowen Professor of Physics, Emeritus; Allen V. C. Davis and Lenabelle Davis Leadership Chair, Keck Institute for Space Studies; Director, W. M. Keck Institute for Space Studies
B.S., Villanova University, 1970; M.S., University of Chicago, 1972; Ph.D., 1978. Research Fellow, Caltech, 1979-80; Robert A. Millikan Research Fellow, 1980-82; Senior Research Fellow, 1982-83; Assistant Professor, 1983-86; Associate Professor, 1986-92; Professor, 1992-16; Bowen Professor, 2017-21; Bowen Professor, Emeritus, 2021-; Davis Leadership Chair, Keck Institute for Space Studies, 2017-; Associate Director for Advanced Computer Research, 1995-2001; Director, Keck Institute, 2008-; Chief Scientist, Jet Propulsion Laboratory, 2001-06; Jet Propulsion Laboratory Senior Research Scientist, 2006-21; Deputy Executive Officer, 2013-16.

David Prober, Ph.D.
Professor of Biology
B.Sc., University of Manitoba, 1995; Ph.D., University of Washington, 2002. Assistant Professor, Caltech, 2009-2017; Professor, 2017-.

Carmie Puckett Robinson
Visiting Associate in Biology and Biological Engineering
B.S., Michigan State University, 1970; M.D., 1975. Professor, University of Southern California, 2000-. Senior Research Fellow, Caltech, 1986-1992; Visiting Associate, 2006-09, 2010-25.

Rosaria Puglisi, Ph.D.
Visiting Associate in Applied Physics and Materials Science
Ph.D., University of Catania, 2000. Caltech, 2021.

Dale I Pullin, Ph.D.
Robert H. Goddard Professor of Aeronautics
B.Sc., University of Melbourne, 1966; B.E., University of Sydney, 1968; Ph.D., University of London (Imperial College), 1974. Visiting Associate, Caltech, 1990; Professor, 1991-2006, von Karman Professor, 2006-2017; Goddard Professor, 2017-.

Elizabeth Y Qian, Ph.D.
von Karman Instructor in Computing and Mathematical Sciences
B.S., Massachusetts Institute of Technology, 2014; M.S., 2017; Ph.D., 2021. Caltech, 2021-22

Lulu Qian, Ph.D.
Professor of Bioengineering
B.E., Southeast University, 2002; Ph.D., Shanghai Jiao Tong University, 2007. Assistant Professor, Caltech, 2013-18; Professor, 2019-.

Steven R Quartz, Ph.D.
Professor of Philosophy
B.A., University of Western Ontario (Huron College), 1986; M.A., 1988; Ph.D., University of California (San Diego), 1993. Instructor, Caltech, 1998-99; Assistant Professor, 1999-2002; Associate Professor, 2002-10; Professor, 2010-.

Maksym Radziwill, Ph.D.
Professor of Mathematics
B.Sc., McGill University, 2009; Ph.D., Stanford University, 2013; Caltech, 2018-.

Eric M Rains, Ph.D.
Professor of Mathematics
B.A., Case Western Reserve University, 1991; B.S., 1991; M.S., 1991; Ph.D., Harvard University, 1995. Visiting Associate and Lecturer, Caltech, 2002; Professor, 2007-; Executive Officer, 2019-22.

Aditya Rajagopal, Ph.D.
Visiting Associate in Electrical Engineering
B.S., California Institute of Technology, 2008; M.S., 2010; Ph.D., 2014. Caltech, 2017-24.

Claire C Ralph
Lecturer in Computing and Mathematical Sciences; Director, Career Development Center
B.S., University of New Mexico, Albuquerque, 2007; M.S., Cornell University, 2011. Caltech, 2018-2022.

Dinakar Ramakrishnan, Ph.D.
Taussky-Todd-Lonergan Professor, Emeritus
Ph.D., Columbia University, 1980. Professor, Caltech, 1988-2007; Taussky-Todd-Lonergan Professor, 2007-2022; Taussky-Todd-Lonergan Professor, Emeritus, 2022-; Executive Officer, 2013-16.

Anamparambu N (Ram) Ramaprakash, Ph.D.
Visiting Associate in Astronomy
Btech, Technical University of Munich, 1992, Ph.D., University of Pune, 1999. Caltech 2015-23.

Mani Ramaswami, Ph.D.
Visiting Associate in Biology and Biological Engineering
M.S., Indian Institutes of Technology, Delhi, 1984; Ph.D., California Institute of Technology, 1990. Caltech, 2022.

Alireza Ramezani, Ph.D.
Visiting Associate in Aerospace
B.S., Iran University of Science and Technology, 2006; M.S., ETH Zurich, 2010; Ph.D., University of Michigan (Ann Arbor), 2014. Caltech, 2018-19; 2021-22.

Michael Ramsey-Musolf, Ph.D.
Visiting Associate in Physics
Ph.D., Princeton University, 1989. Professor, University of Wisconsin (Madison), 2007-. Visiting Associate, Caltech, 2001; 2007-25; Senior Research Associate, 2001-07; Lecturer, 2005-06.

Lisa Ruth Rand, Ph.D.
Assistant Professor of History; William H. Hurt Scholar
B.A., Barnard College, 2005; M.A., University of Pennsylvania, 2011; Ph.D., 2016. Assistant Professor, Caltech, 2021-; Hurt Scholar, 2022-.

Antonio Rangel, Ph.D.
Bing Professor of Neuroscience, Behavioral Biology, and Economics; Head Faculty in Residence
B.Sc., Caltech, 1993; M.S., Harvard University, 1996; Ph.D., 1998. Instructor, Caltech, 1997-98; Visiting Associate, 2005-06; Associate Professor, 2006-10; Professor, 2010-13; Bing Professor, 2013-; Head Faculty in Residence, 2018-.

Vikram Ravi, Ph.D.
Assistant Professor of Astronomy
B.S., Australian National University, 2009; Ph.D., University of Melbourne, 2014. Visiting Associate, Caltech 2018-19; Assistant Professor, 2019-.

Guruswami (Ravi) Ravichandran, Ph.D., D.h.c.
John E. Goode, Jr., Professor of Aerospace and Mechanical Engineering
B.E., University of Madras (Regional Engineering College), 1981; Sc.M. (Solid Mechanics and Structures), Brown University, 1983; Sc.M. (Applied Mathematics), 1984; Ph.D., 1987; D.h.c., Paul Verlaine University. Assistant Professor, Caltech, 1990-95; Associate Professor, 1995-99; Professor, 1999-2005; Goode Professor, 2005-; Associate Director, 2008-09; Director, Graduate Aerospace Laboratories, 2009-15; Division Chair, 2015-21; Otis Booth Leadership Chair, 2015-21.

Animesh Ray, Ph.D.
Visiting Associate in Biology and Biological Engineering
Ph.D., Monash University, 1984. Caltech, 2016-25.

Anthony C Readhead, Ph.D.
Robinson Professor of Astronomy, Emeritus
B.Sc., University of Witwatersrand (South Africa), 1968; Ph.D., University of Cambridge, 1972. Research Fellow, Caltech, 1974-75; Senior Research Fellow, 1976-79; Research Associate, 1979-81; Professor of Radio Astronomy, 1981-90; Professor of Astronomy, 1990-2000; Rawn Professor, 2000-13; Robinson Professor, 2013-15; Robinson Professor, Emeritus, 2015-; Director, Owens Valley Radio Observatory, 1981-86, 2007-18; Executive Officer for Astronomy, 1990-92, 2012-13; Director, Chajnantor Observatory, 2006-2011; Jet Propulsion Laboratory Senior Research Scientist, 2006-15.

Douglas C (Doug) Rees, Ph.D.
Roscoe Gilkey Dickinson Professor of Chemistry; Investigator, Howard Hughes Medical Institute
B.S., Yale University, 1974; Ph.D., Harvard University, 1980. Professor, Caltech, 1989-2004; Dickinson Professor, 2004-. HHMI Investigator, 1997-; Executive Officer for Chemistry, 2002-06; Executive Officer for Biochemistry and Molecular Biophysics, 2007-15; Dean of Graduate Studies, 2015-20.

Gil Refael, Ph.D.
Taylor W. Lawrence Professor of Theoretical Physics
B.S.,Tel Aviv University, 1997; M.S., 1998; Ph.D., Harvard University, 2003. Assistant Professor, Caltech, 2005-2008; Associate Professor, 2008-11; Professor, 2011-17; Lawrence Professor, 2017-; Executive Officer, 2014-20.

Sarah E Reisman, Ph.D.
Bren Professor of Chemistry
B.A., Connecticut College, 2001; Ph.D., Yale University, 2006. Assistant Professor, Caltech, 2008-14; Professor, 2014-20; Bren Professor, 2020-; HMRI Investigator 2015-21; Executive Officer, 2015-21.

David H Reitze, Ph.D.
Research Professor of Physics; Executive Director of the LIGO Project
B.A., Northwestern University, 1983; Ph.D., University of Texas (Austin), 1993. Professor, University of Florida, 1998-. Visiting Associate, Caltech, 1996-97; 2000; 2003; 2007-11; Senior Research Associate, 2011-16; Executive Director, 2011-.

Frank R Rice
Lecturer in Physics
B.A., Northwestern University, 1977; M.S., Naval Postgraduate School, 1986; M.S., Caltech, 1999. Lecturer, 2001-13; 2015; 2016; 2017; 2018; 2019-23.

Thomas S Richardson, Ph.D.
Visiting Associate in Aerospace
M. Eng., University of Bristol, 1998; Ph.D., 2002. Caltech, 2022.

Robert C Ritchie, Ph.D.
Visiting Associate in History
A.B., Occidental College, 1960; Ph.D., University of California (Los Angeles), 1970. W. M. Keck Foundation Director of Research, Huntington Library and Art Gallery, 1992-. Visiting Associate, Caltech, 1993-23; Lecturer, 1995; 1997; 1999; 2001; 2005.

Maxwell J Robb, Ph.D.
Assistant Professor of Chemistry
B.S., Colorado School of Mines, 2009; Ph.D., University of California, Santa Barbara, 2014. Caltech, 2017-.

Jennifer L Rodgers, Ph.D.
Research Assistant Professor of History
B.A., American University, 1998; M. A., University of Pennsylvania, 2010; Ph.D. 2014, Caltech, 2019-.

Richard W Roll, Ph.D.
Linde Institute Professor of Finance
B.A.E., Auburn University, 1961; M.B.A., University of Washington, 1963; Ph.D., University of Chicago, 1968. Caltech, Linde Institute Professor, 2013-.

Andrew Romero-Wolf, Ph.D.
Visiting Associate in Astronomy
B.S., University of Chicago, 2002; M.S., University of Chicago, 2005; Ph.D., University of Hawaii, 2010. Caltech 2019-22.

Alton D Romig, Ph.D.
Visiting Associate in Applied Physics and Materials Science
Ph.D., Lehigh University, 1979. Caltech, 2013-22.

Ares J Rosakis, Ph.D.
Theodore von Karman Professor of Aeronautics and Mechanical Engineering
B.Sc., University of Oxford, 1978; Sc.M., Brown University, 1980; Ph.D., 1982. Assistant Professor of Aeronautics and Applied Mechanics, Caltech, 1982-88; Associate Professor, 1988-93; Professor, 1993-2000; Professor of Aeronautics and Mechanical Engineering, 2000-04; von Karman Professor, 2004-; Director, Graduate Aerospace Laboratories, 2004-09; Division Chair, 2009-13; Otis Booth Leadership Chair, 2013-15.

Phoebus Rosakis, Ph.D.
Visiting Associate in Aerospace
B.S., Brown University, 1983; M.S., California Institute of Technology, 1984; Ph.D., 1989. Caltech, 2011-24.

Paul A Rosen, Ph.D.
Lecturer in Electrical Engineering; Visiting Associate in Geophysics
B.S., University of Pennsylvania, 1981; M.S., 1982; Ph.D., Stanford University, 1989. Technical Group Supervisor, Jet Propulsion Laboratory, 1992-. Lecturer, 2000-03; 2005-2008; 2022. Visiting Associate, Caltech, 1998-2022.

Robert A Rosenstone, Ph.D.
Professor of History, Emeritus
B.A., University of California (Los Angeles), 1957; Ph.D., 1965. Visiting Assistant Professor, Caltech, 1966-68; Assistant Professor, 1968-69; Associate Professor, 1969-75; Professor, 1975-2012; Professor Emeritus, 2012-. Executive Officer for the Humanities, 1983-86.

Jean-Laurent Rosenthal, Ph.D.
Rea A. and Lela G. Axline Professor of Business Economics
B.A., Reed College, 1984; Ph.D., Caltech, 1988. Professor of Economics, 2006-2008; Axline Professor of Business Economics, 2008-; Executive Officer, 2007-13; Division Chair, 2014-22; Linde Leadership Chair, 2016-22.

Zachary E Ross, Ph.D.
Assistant Professor of Geophysics; William H. Hurt Scholar
B.S., University of California, Davis, 2009; M.S., California Polytechnic State University, San Luis Obispo, 2011; Ph.D., University of Southern California, 2016. Caltech, 2019-; Hurt Scholar, 2021-.

George R Rossman, Ph.D.
Professor of Mineralogy
B.S., Wisconsin State University, 1966; Ph.D., Caltech, 1971. Instructor, 1971; Assistant Professor, 1971-77; Associate Professor, 1977-83; Professor, 1983-2008; 2015-. McMillan Professor, 2008-15. Divisional Academic Officer for Geological and Planetary Sciences, 1999-2008.

Paul W Rothemund, Ph.D.
Research Professor of Bioengineering, Computing and Mathematical Sciences, and Computation and Neural Systems
B.S., Caltech, 1994; Ph.D., University of Southern California, 2001. Visiting Associate, Caltech, 2001; Beckman Senior Research Fellow, 2001-04; Senior Research Fellow, Computation and Neural Systems and Computer Science, 2004-08; Senior Research Associate, 2008-2015; Research Professor, 2015-.

Ellen Rothenberg, Ph.D.
Edward B. Lewis Professor of Biology
A.B., Harvard University, 1972; Ph.D., Massachusetts Institute of Technology, 1977. Assistant Professor, Caltech, 1982-88; Associate Professor, 1988-94; Professor, 1994-2007; Ruddock Professor, 2007-21; Distinguished Professor, 2021; Lewis Professor, 2021-.

Michael L Roukes, Ph.D.
Frank J. Roshek Professor of Physics, Applied Physics, and Bioengineering
B.A., University of California (Santa Cruz), 1978; Ph.D., Cornell University, 1985. Associate Professor, Caltech, 1992-96; Professor of Physics, 1996-2002; Professor of Physics, Applied Physics, and Bioengineering, 2002-11; Abbey Professor, 2011-17; Roshek Professor, 2018-; Director, Kavli Nanoscience Institute, 2004-06; Co-Director, 2008-2013.

Edward G Ruby, Ph.D.
Faculty Associate in Biology and Biological Engineering
B.S., Stetson University, 1971; Ph.D., University of California (San Diego), 1977. Moore Distinguished Scholar, 2011-12; Caltech, 2022-25.

Jonathan Russin
Visiting Associate in Medical Engineering
B.S., Drew University, 2000; M.A., 2002. M.D., Rutgers New Jersey Medical School, 2006. Caltech, 2021-2023.

Ueli Rutishauser, Ph.D.
Visiting Associate in Biology and Bioengineering
B.S., University of Applied Sciences, Rapperwil, 2003; Ph.D., California Institute of Technology, 2008. Caltech, 2013-21; 2022.

David B Rutledge, Ph.D.
Kiyo and Eiko Tomiyasu Professor of Engineering, Emeritus
B.A., Williams College, 1973; M.A., University of Cambridge, 1975; Ph.D., University of California, 1980. Assistant Professor, Caltech, 1980-84; Associate Professor, 1984-89; Professor, 1989-2001; Tomiyasu Professor, 2001-18; Tomiyasu Professor, Emeritus, 2018-. Executive Officer for Electrical Engineering, 1999-2002; Chair, Division of Engineering and Applied Science, 2005-08.

John E Sader, Ph.D.
Visiting Associate in Physics
B.S., University of New South Wales, 1989; Ph.D., 1993. Professor, University of Melbourne, 2008-. Caltech, 2009; 2010; 2012-23.

Anil Saigal, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B. Tech., Indian Institute of Technology (Bombay); M.S., Georgia Institute of Technology, 1980; Ph.D., 1983. Caltech, 2022.

Kota Saito, Ph.D.
Professor of Economics
M.A., University of Tokyo, 2007; Ph.D., Northwestern University, 2011. Assistant Professor, Caltech, 2011-16; Professor, 2017-.

Jason B Saleeby, Ph.D.
Professor of Geology, Emeritus
B.S., California State University (Northridge), 1972; Ph.D., University of California (Santa Barbara), 1975. Associate Professor, Caltech, 1978-88; Professor, 1988-2015; Professor Emeritus, 2015-.

Stanley P (Stan) Sander, Ph.D.
Visiting Associate in Planetary Science
B.A., Pomona College, 1974; M.S., Caltech, 1975; Ph.D.,1980. Senior Research Scientist, Jet Propulsion Laboratory, 1996-. Visiting Associate in Planetary Science and Environmental Engineering Science, Caltech, 1998-2005; Lecturer in Geology and Planetary Sciences and Environmental Engineering Science, 1998-2004, 2017; Visiting Associate in Planetary Science and Environmental Engineering and Science, 2005; Visiting Associate in Planetary Science, 2006-22.

Fedor Sandomirskii, Ph.D.
Linde Institute Postdoctoral Instructor in Economics
M.A., St. Petersburg, 2011; Ph.D., Russian Academy of Sciences, 2014; Caltech, 2021-23.

Cesar M (Martin) Saravia, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., National Technological University, 2004; Ph.D., Universidad Nacional del Sur, 2013. Caltech, 2021.

Anneila I Sargent, Ph.D., D.Sc.h.c.
Ira S. Bowen Professor of Astronomy, Emeritus
B.Sc., University of Edinburgh, 1963; M.S., Caltech, 1967; Ph.D., 1977; D.Sc.h.c., University of Edinburgh. Research Fellow, 1977-79; Member of the Professional Staff, 1979-88; Senior Research Fellow, 1988-90; Senior Research Associate, 1990-98; Professor, 1998-2004, 2016-17; Rosen Professor, 2004-13; Bowen Professor, 2013-16; Bowen Professor, Emeritus, 2018-; Associate Director, Owens Valley Radio Observatory, 1992-96; Executive Director, 1996-98; Director, 1998-2007; Director, Interferometry Science Center, 2000-03; Director, Michelson Science Center, 2003; Vice President, 2007-15.

Jonathan Sauder, Ph.D.
Visiting Associate in Aerospace
B.A., Bradley University, 2009; M.S., University of Southern California, 2011; Ph.D., 2013. Caltech, 2020-24.

Tilman Sauer, Ph.D.
Visiting Associate in History
Dipl., Free University (Berlin), 1990; Ph.D., 1994. Visiting Associate, Caltech, 2001-03; Senior Research Fellow, 2003-05; Senior Research Associate, 2005-; Lecturer, 2006; 2008; 2009. Caltech, 2018-25.

Jack Sayers, Ph.D.
Research Professor of Physics
Ph.D., California Institute of Technology, 2008. Caltech, 2016-.

Mark Scheel, Ph.D.
Research Professor of Physics
Ph.D., Cornell University, 1996. Senior Research Fellow, Caltech, 2005-; Lecturer, 2005-06; 2014- 15; Research Professor, 2015-.

Axel Scherer, Ph.D.
Bernard Neches Professor of Electrical Engineering, Applied Physics and Physics; Merkin Institute Professor
B.S., New Mexico Institute of Mining and Technology, 1981; M.S., 1982; Ph.D., 1985. Associate Professor, Caltech, 1993-95; Professor, 1995-2000; Neches Professor, 2000-; Merkin Institute Professor, 2021-;Director, Kavli Nanoscience Institute, 2006-08; Co-Director, 2008-11.

Maarten Schmidt, Ph.D.
Francis L. Moseley Professor of Astronomy, Emeritus
Ph.D., University of Leiden, 1956; Sc.D., Yale University, 1966. Associate Professor, Caltech, 1959-64; Professor, 1964-81; Institute Professor, 1981-87; Moseley Professor, 1987-96; Moseley Professor Emeritus, 1996-. Executive Officer for Astronomy, 1972-75; Chairman, Division of Physics, Mathematics and Astronomy, 1976-78; Director, Hale Observatories, 1978-80.

Tapio Schneider, Ph.D.
Theodore Y. Wu Professor of Environmental Science and Engineering; Jet Propulsion Laboratory Senior Research Scientist
Vordipl., Albert-Ludwigs-Universitat Freiburg, 1993; Ph.D., Princeton University, 2001. Assistant Professor, Caltech, 2002-08; Associate Professor, 2008-09; Professor, 2009-10; Gilloon Professor, 2010-18; Wu Professor, 2018-;Director, Linde Center, 2011-12; Executive Officer, 2011-12; Jet Propulsion Laboratory Senior Research Scientist, 2016-.

Joshua Schneiderman, Ph.D.
Lecturer in Writing
M.A., University of Georgia, Athens, 2005; M.Phil., City University, 2012; Ph.D., 2021. Caltech, 2021.

Peter Schroeder, Ph.D.
Shaler Arthur Hanisch Professor of Computer Science and Applied and Computational Mathematics
B.S., Technical University of Berlin, 1987; M.S., Massachusetts Institute of Technology, 1990; M.A., Princeton University, 1992; Ph.D., 1994. Assistant Professor of Computer Science, Caltech, 1995-98; Associate Professor, 1998-2000; Associate Professor of Computer Science and Applied and Computational Mathematics, 2000-01; Professor, 2001-13; Hanisch Professor, 2013-; Division Deputy Chair, 2012-15; Acting Director of the Center for Advanced Computing Research, 2013-14.

Bjarne Schuelke, Ph.D.
Harry Bateman Instructor in Mathematics
B.S., University of Bonn, 2016; M.S., University of Hamburg, 2018; Ph.D., University of Hamburg, 2021. Caltech, 2021-24.

Leonard J Schulman, Ph.D.
Professor of Computer Science
B.S., Massachusetts Institute of Technology, 1988; Ph.D., 1992. Associate Professor, Caltech, 2000-05; Professor, 2005-.

Keith C Schwab, Ph.D.
Professor of Applied Physics
B.A., University of Chicago, 1990; Ph.D., University of California, 1996. Associate Professor, Caltech, 2009-10; Professor, 2010-; Fletcher Jones Foundation Co-Director of the Kavli Nanoscience Institute, 2013-15.

Daniel M Schwartz
Physician in Residence
B.A., Haverford College, 1980; M.D., University of California, San Francisco, 1984. Caltech, 2020-24.

John H Schwarz, Ph.D.
Harold Brown Professor of Theoretical Physics, Emeritus
A.B., Harvard College, 1962; Ph.D., University of California, 1966. Research Associate, Caltech, 1972-81; Senior Research Associate, 1981-85; Professor of Theoretical Physics, 1985-89; Brown Professor, 1989-2014; Brown Professor Emeritus, 2015-.

Nicholas Z (Nick) Scoville, Ph.D.
Francis L. Moseley Professor of Astronomy, Emeritus
B.A., Columbia University, 1967; Ph.D., 1972. Professor, Caltech, 1984-96; Moseley Professor, 1996-2016; Moseley Professor, Emeritus, 2016-. Director, Owens Valley Radio Observatory, 1986-96. Executive Officer for Astronomy, 2000-04.

Thayer Scudder, Ph.D.
Professor of Anthropology, Emeritus
A.B., Harvard College, 1952; Ph.D., Harvard University, 1960. Assistant Professor, Caltech, 1964-66; Associate Professor, 1966-69; Professor, 1969-2000; Professor Emeritus, 2000-.

Charles T (Chip) Sebens, Ph.D.
Assistant Professor of Philosophy
B.S., Massachusetts Institute of Technology, 2009, M.St., University of Oxford, 2010, Ph.D., University of Michigan, 2015. Caltech, 2018-.

Kimberly A See, Ph.D.
Assistant Professor of Chemistry
B.S. Colorado School of Mines, 2009; Ph.D., University of California, Santa Barbara, 2014; Visiting Associate, Caltech, 2017; Assistant Professor, 2017-.

John H Seinfeld, Ph.D., D.Sc.h.c.
Louis E. Nohl Professor of Chemical Engineering
B.S., University of Rochester, 1964; Ph.D., Princeton University, 1967; D.Sc.h.c., University of Patras; Carnegie Mellon University; Clarkson University. Assistant Professor, Caltech, 1967-70; Associate Professor, 1970-74; Professor, 1974-; Nohl Professor, 1979-; Executive Officer for Chemical Engineering, 1974-90; Executive Officer for Environmental Science and Engineering, 2016-17; Chair, Division of Engineering and Applied Science, 1990-2000.

Daniel R (Dan) Semlow, Ph.D.
Assistant Professor of Biochemistry; Ronald and JoAnne Willens Scholar
B.S., University of Illinois, Urbana, 2005; Ph.D., University of Chicago, 2015. Visiting Associate, Caltech, 2019-2020, Assistant Professor, 2020-; Willens Scholar, 2021-.

Alex L Sessions, Ph.D.
Professor of Geobiology
B.A., Williams College, 1991; M.Sc., Dartmouth College, 1996; Ph.D., Indiana University (Bloomington), 2001. Assistant Professor, Caltech, 2003-10; Associate Professor, 2010; Professor, 2010-.

Shu-ou Shan, Ph.D.
Altair Professor of Chemistry; Executive Officer for Biochemistry and Molecular Biophysics
B.S., University of Maryland, 1994; Ph.D., Stanford University, 2000. Assistant Professor, Caltech, 2005-11; Professor, 2011-; Altair Professor, 2019-;Executive Officer, 2015-.

Mikhail Shapiro, Ph.D.
Professor of Chemical Engineering; Investigator, Howard Hughes Medical Institute
B.S., Brown University, 2004; Ph.D., Massachusetts Institute of Technology, 2008. Visiting Associate, Caltech, 2013; Assistant Professor, 2014-18; Professor, 2019-; HMRI Investigator, 2015-21; Schlinger Scholar, 2017-18; HHMI Investigator, 2021-.

Mohammad H Shehata, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., Cairo University, Egypt, 2001; Ph.D., University of Toyama, Japan, 2011. Caltech, 2016-25.

Joseph E Shepherd, Ph.D.
C. L. "Kelly" Johnson Professor of Aeronautics and Mechanical Engineering
B.S., University of South Florida, 1976; Ph.D., Caltech, 1981. Associate Professor, 1993-99; Professor of Aeronautics, 1999-2005; Professor of Aeronautics and Mechanical Engineering, 2006-08; Johnson Professor, 2008-; Davis Leadership Chair, 2018-20; Dean of Graduate Studies, 2009-15; Vice President for Student Affairs, 2015-20.

Melanie M Sherazi, Ph.D.
Lecturer in Writing
B.A., University of California, San Diego, 2000; Ph.D., University of California, Riverside, 2015. Caltech, 2017-19; 2021; 2022.

Robert P (Bob) Sherman, Ph.D.
Professor of Economics and Statistics
B.A., Marquette University, 1978; M.A., University of Louisville, 1985; M.Phil., Yale University, 1987; Ph.D., 1991. Assistant Professor, Caltech, 1996-99; Associate Professor, 1999-2005; Professor, 2005-; Executive Officer, 2019-22.

Shinsuke (Shin) Shimojo, Ph.D.
Gertrude Baltimore Professor of Experimental Psychology
B.A., University of Tokyo, 1978; M.A., 1980; Ph.D., Massachusetts Institute of Technology, 1985. Associate Professor, Caltech, 1997-98; Professor, 1999-2010; Baltimore Professor, 2010-.

Daniel P Shoemaker, Ph.D.
Visiting Associate in Chemistry
B.S., University of Illinois, 2006; Ph.D., University of California, Santa Barbara, 2010. Caltech, 2022.

Matthew S (Matt) Shum, Ph.D.
J. Stanley Johnson Professor of Economics
B.A., Columbia University, 1992; Ph.D., Stanford University, 1998. Professor, Caltech, 2008-16; J. Stanley Johnson Professor, 2016-.

Athanassios G (Thanos) Siapas, Ph.D.
Professor of Computation and Neural Systems
B.S., Massachusetts Institute of Technology, 1990; M.S., 1992; Ph.D., 1996. Assistant Professor, Caltech, 2002-08; Bren Scholar 2003-08; Associate Professor, 2008-10; Professor, 2010-; Executive Officer, 2017-20.

Constantine (Costis) Sideris, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B.S., California Institute of Technology, 2010; M.S., 2011, Ph.D., 2016. Lecturer, Caltech, 2017; Visiting Associate, 2018-23.

Daniel M Silevitch, Ph.D.
Research Professor of Physics
B.S., Massachusetts Institute of Technology, 1996; Ph.D., John Hopkins University, 2003. Caltech, 2015-.

David W Simmons-Duffin, Ph.D.
Professor of Theoretical Physics
A.B., Harvard University, 2006; A.M., 2006; CASM., University of Cambridge, 2007; Ph.D., Harvard University, 2012. Visiting Associate, Caltech, 2016-17; Assistant Professor, 2017-20; Associate Professor, 2020-21; Professor, 2021-.

Barry M Simon, Ph.D.; D.Sc.h.c.
International Business Machines Professor of Mathematics and Theoretical Physics, Emeritus
A.B., Harvard College, 1966; Ph.D., Princeton University, 1970; D.Sc.h.c., Technion-Israel Institute of Technology; University of Wales Swansea; Ludwig Maximilians-Universitat Munchen. Sherman Fairchild Distinguished Scholar, Caltech, 1980-81; Professor, 1981-84; International Business Machines Professor, 1984-2016; International Business Machines Professor, Emeritus, 2016-. Executive Officer for Mathematics, 1997-2003; 2009-13.

Melvin I (Mel) Simon, Ph.D.
Anne P. and Benjamin F. Biaggini Professor of Biological Sciences, Emeritus
B.S., City College of New York, 1959; Ph.D., Brandeis University, 1963. Professor, Caltech, 1982-86; Biaggini Professor, 1986-2005; Biaggini Professor Emeritus, 2005-; Chair, Division of Biology, 1995-2000.

Mark Simons, Ph.D.
John W. and Herberta M. Miles Professor of Geophysics; Jet Propulsion Laboratory Chief Scientist
B.S., University of California (Los Angeles), 1989; Ph.D., Massachusetts Institute of Technology, 1995. Assistant Professor, Caltech, 1997-2003; Associate Professor, 2003-2007; Professor, 2007-17; Miles Professor, 2017-; Jet Propulsion Laboratory Chief Scientist, 2017-.

Juni Singh, Ph.D.
Postdoctoral Instructor in Social Sciences of Sustainability
B.A., University of Delhi, 2013; M.A., Paris School of Economics, 2015; Ph.D., 2020. Caltech, 2022-23.

Elin O Slavick
Lecturer in Visual Culture
B.A., Sarah Lawrence College, 1988; MFA, Chicago Art Institute, 1991. Caltech, 2022.

Annette J Smith, Ph.D.
Professor of Literature, Emeritus
B.A., University of Paris (Sorbonne), 1947; M.A., 1950; Ph.D., 1970. Visiting Assistant Professor of French, Caltech, 1970-71; Lecturer, 1971-81; Associate Professor, 1982-85; Professor, 1985-92; Professor of Literature Emeritus, 1993-.

Suzanne Smrekar, Ph.D.
Visiting Associate in Geophysics
B.Sc., Brown University, 1984; Ph.D., Southern Methodist University, 1990. Caltech, 2019-23.

B T Soifer, Ph.D.
Harold Brown Professor of Physics, Emeritus
B.S., Caltech, 1968; Ph.D., Cornell University, 1972. Senior Research Fellow, Caltech, 1978-81; Senior Research Associate, 1981-89; Professor, 1989-15; Harold Brown Professor, 2015-17; Harold Brown Professor, Emeritus, 2017-; Director, Space Infrared Telescope Facility (SIRTF) Science Center, 1997-2004. Director, Spitzer Science Center, 2004-21; Deputy Chair, 2008-10; Acting Chair, 2010; Division Chair, 2010-14; Kresa Leadership Chair, 2014-15.

Theis I Solling, Ph.D.
Visiting Associate in Chemistry
Ph.D., University of Copenhagen, 1999. Caltech, 2022.

Antoine Y Song, Ph.D.
Assistant Professor of Mathematics
B.S., Pierre and Marie Currie University, 2014; M.S., 2015; Ph.D., Princeton University, 2019. Caltech, 2022-.

Maria Spiropulu, Ph.D.
Shang-Yi Ch'en Professor of Physics
B.Sc., Aristotle University of Thessaloniki, 1993; M.A., Harvard University, 1995; Ph.D., 2000. Associate Professor, Caltech, 2008-11; Professor, 2011-17; Ch'en Professor, 2017-.

Charles D Sprenger, Ph.D.
Professor of Economics; Executive Officer for the Social Sciences
B.A., Stanford University, 2002; M.Sc., University College London, 2005; Ph.D., University of California, San Diego, 2011. Caltech, 2020-; Executive Officer, 2022-.

Philip Stamp, Ph.D.
Visiting Associate in Physics
B.S., University of Sussex, 1978; M.Sc., University of Central Lancashire, 1979; Ph.D., University of Sussex, 1984. Caltech, 2019; 2021-24.

Damian A Stanley, Ph.D.
Visiting Associate in Psychology
Ph.D., New York University, 2005. Caltech, 2016-23.

Angelike Stathopoulos, Ph.D.
Professor of Biology
B.A., University of California, 1992; Ph.D., Stanford University, 1998. Assistant Professor, Caltech, 2005-11; Professor, 2011-.

Charles (Chuck) Steidel, Ph.D.
Lee A. DuBridge Professor of Astronomy
A.B., Princeton University, 1984; Ph.D., Caltech, 1990. Assistant Professor, 1995-97; Associate Professor, 1997-98; Professor 1998-2004; DuBridge Professor, 2004-. Executive Officer for Astronomy, 2004-2007.

Paul W Sternberg, Ph.D.
Bren Professor of Biology
B.A., Hampshire College, 1978; Ph.D., Massachusetts Institute of Technology, 1984. Assistant Professor, Caltech, 1987-92; Associate Professor, 1992-96; Professor, 1996-2004; Morgan Professor, 2004-17; Bren Professor, 2017-; HHMI Investigator, 1992-2017.

David J Stevenson, Ph.D., D.S.c.
Marvin L. Goldberger Professor of Planetary Science, Emeritus
B.S., Victoria University (New Zealand), 1971; M.S., 1972; Ph.D., Cornell University, 1976; D.S.c., Victoria University. Associate Professor, Caltech, 1980-84; Professor, 1984-95; Van Osdol Professor, 1995-2011; Goldberger Professor, 2011-21; Goldberger Professor Emeritus, 2021-. Chair, Division of Geological and Planetary Sciences, 1989-94.

Joann M Stock, Ph.D.
Professor of Geology and Geophysics
B.S., Massachusetts Institute of Technology, 1981; M.S., 1981; Ph.D., 1988. Visiting Assistant Professor, Caltech, 1990; Associate Professor, 1992-98; Professor, 1998-.

Edward M Stolper, Ph.D., D.Sc.h.c., D.Phil.h.c.
Judge Shirley Hufstedler Professor of Geology
A.B., Harvard College, 1974; M.Phil., University of Edinburgh, 1976; Ph.D., Harvard University, 1979; D.Sc.h.c., University of Bristol; University of Edinburgh; D.Phil.h.c., Hebrew University. Assistant Professor, Caltech, 1979-82; Associate Professor, 1982-83; Professor, 1983-90; Leonhard Professor, 1990-2019; Millikan Professor, 2020-21; Distinguished Professor, 2021-22; Hufstedler Professor, 2022-. Acting Executive Officer for Geochemistry, 1989; Executive Officer, 1989-94; Chair, Division of Geological and Planetary Sciences, 1994-2004; Acting Provost, 2004; Provost, 2007-17; Larson Provostial Chair, 2013-17; Interim President, 2013-2014; Senior Advisor, 2017-19.

Brian M Stoltz, Ph.D.
Victor and Elizabeth Atkins Professor of Chemistry; Investigator, Heritage Medical Research Insitute
B.A., B.S., Indiana University of Pennsylvania, 1993; M.A., Yale University, 1996; Ph.D., 1997. Assistant Professor, Caltech, 2000-06; Associate Professor, 2006-07; Professor, 2007-; Bowles Professor, 2007-12; Atkins Professor, 2022-. Executive Officer, 2010-12; HMRI Investigator, 2021-.

Edward C Stone, Ph.D., D.Sc.h.c.
David Morrisroe Professor of Physics, Emeritus
S.M., University of Chicago, 1959; Ph.D., 1964; D.Sc.h.c., Harvard University; Washington University; University of Chicago; University of Southern California. Research Fellow, Caltech, 1964-66; Senior Research Fellow, 1967; Assistant Professor, 1967-71; Associate Professor, 1971-76; Professor, 1976-94; Morrisroe Professor, 1994-2022; Morrisroe Professor Emeritus, 2022-; Chairman, Division of Physics, Mathematics and Astronomy, 1983-88; Vice President for Astronomical Facilities, 1988-90; Vice President and Director of the Jet Propulsion Laboratory, 1991-2001; Vice Provost for Special Projects, 2004-22.

Paul B Stovall
Lecturer in Mechanical and Civil Engineering; Supervisor, Mechanical Engineering Shop
A.A., Cerritos College, 1992. Caltech, 2020-22.

Ellen G Strauss, Ph.D.
Senior Research Associate in Biology, Emeritus
B.A., Swarthmore College, 1960; Ph.D., Caltech, 1966. Research Fellow, 1969-73; Senior Research Fellow, 1973-84; Senior Research Associate, 1984-2007; Senior Research Associate Emeritus, 2007-.

Andrew M Stuart, Ph.D.
Bren Professor of Computing and Mathematical Sciences
B.S., University of Bristol, 1983; Ph.D., University of Oxford, 1986. Bren Professor, Caltech, 2016-.

Tao Sun, Ph.D.
Visiting Associate in Chemical Engineering
B.S., Xinjiang University, 2001; Ph.D., Shanghai Institute for Biological Sciences, Chinese Academy of Sciences, 2007. Caltech, 2021-22.

Christopher M Swank, Ph.D.
Research Assistant Professor of Physics
B.S., North Carolina State University Raleigh, 2005; Ph.D., North Carolina State University Raleigh, 2012. Caltech 2019-.

Anna Szumowicz, Ph.D.
Harry Bateman Instructor in Mathematics
M.S., University Paris 13, 2014; Ph.D., Durham University, 2019; Ph.D., Sorbonne University, 2019. Caltech 2020-23.

Reza Tadayon Nejad, Ph.D.
Visiting Associate in Neuroscience
Ph.D., University of Calgary, 2011; M.D., Ahwaz University of Medical Science, 2004. Caltech, 2019-24.

Shervin Taghavi Larigani, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
M.S., California Institute of Technology, 2001; Ph.D., 2006. Caltech, 2015-20; 2021-24.

Yu-Chong Tai, Ph.D.
Anna L. Rosen Professor of Electrical Engineering and Medical Engineering
B.S., National Taiwan University, 1981; M.S., University of California, 1986; Ph.D., 1989. Assistant Professor of Electrical Engineering, Caltech, 1989-95; Associate Professor, 1995-2000; Professor, 2000-05; Professor of Electrical Engineering and Mechanical Engineering, 2005-13; Rosen Professor, 2013-; Cherng Medical Engineering Leadership Chair, 2017-22; Executive Officer for Electrical Engineering, 2005-2008; Executive Officer for Medical Engineering, 2013-22.

Michael K Takase, Ph.D.
Lecturer in Chemistry
B.S., University of Hawaii (Manao), 2004; Ph.D., University of California (Irvine), 2009. Caltech, 2013; 2014; 2016; 2017; 2018; 2019; 2020; 2021.

Omer Tamuz, Ph.D.
Professor of Economics and Mathematics
B.Sc., Tel Aviv University, 2006; M.Sc., Weizmann Institute of Science, 2010; Ph.D., 2013. Assistant Professor, Caltech, 2015-19; Professor, 2019-.

Armand R Tanguay, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., Caltech, 1971; M.S., Yale University, 1972; M.Phil., 1975; Ph.D., 1977. Associate Professor, University of Southern California, 1983-. Visiting Associate, Caltech, 1984; 1999-2003; 2017-25.

Robert D Tanner, Ph.D.
Visiting Associate in Chemical Engineering
B.S., University of Michigan, 1962; M.S., 1963; Ph.D., Case Western Reserve, 1967. Caltech, 2010-22.

Mickael Tanter, Ph.D.
Moore Distinguished Scholar
Electrical Engineering Degree, Ecole Superieure d'Electricite, 1994; M.S., University Paris VII, 1994; Ph.D., 1999. Caltech, 2022.

Joao Teixeira, Ph.D.
Visiting Associate in Environmental Science and Engineering
Ph.D., University of Lisbon, 2000. Caltech, 2010-24.

Julia Tejada Lara, Ph.D.
Visiting Associate in Geobiology
M.S., University of Florida, 2015; M.A., Columbia University, 2017; M. Phil., 2019; Ph.D., 2020. Caltech, 2022-23.

Saul A Teukolsky, Ph.D.
Robinson Professor of Theoretical Astrophysics
B.Sc., University of the Witwatersrand, 1970; Ph.D., California Institute of Technology, 1973. Visiting Associate, Caltech, 2015-16; Robinson Professor, 2017-.

Andrew F Thompson, Ph.D.
Professor of Environmental Science and Engineering
B.S., Dartmouth College, 2000; C.A.S., University of Cambridge, 2001, M.Phil., 2002; Ph.D., Scripps Institute of Oceanography, 2006. Assistant Professor, Caltech, 2011-17; Professor, 2017-; Academic Officer, 2019-22.

Matthew W Thomson, Ph.D.
Assistant Professor of Computational Biology; Investigator, Heritage Medical Research Institute
B.A., Harvard University, 2001; Ph.D., 2011. Visiting Associate, Caltech, 2016; Assistant Professor, 2017-; HMRI Investigator, 2018-.

Kip S Thorne, Nobel Laureate, Ph.D, D.Sc.h.c., D.h.c., L.H.D.h.c.
Richard P. Feynman Professor of Theoretical Physics, Emeritus
B.S., Caltech, 1962; Ph.D., Princeton University, 1965; D.Sc.h.c., Illinois College; Utah State University; University of Chicago; D.h.c., Moscow University; University of Glasgow; L.H.D.h.c., The Claremont Graduate University. Research Fellow in Physics, Caltech, 1966-67; Associate Professor of Theoretical Physics, 1967-70; Professor, 1970-91; William R. Kenan Professor, 1981-91; Feynman Professor, 1991-2009; Feynman Professor Emeritus, 2009-.

David A Tirrell, Ph.D., D.h.c.
Provost; Ross McCollum-William H. Corcoran Professor of Chemistry and Chemical Engineering; Carl and Shirley Larson Provostial Chair
B.S., Massachusetts Institute of Technology, 1974; M.S., University of Massachusetts, 1976; Ph.D., 1978; D.h.c., Eindhoven Technical University. McCollum-Corcoran Professor and Professor, Caltech, 1998-. Chair, Division of Chemistry and Chemical Engineering, 1999-2009; Director, Beckman Institute, 2011-17, Provost, 2017-; Larson Provostial Chair, 2017-.

Francois Tissot, Ph.D.
Assistant Professor of Geochemistry; Investigator, Heritage Medical Research Institute
Diplôme d'Ingenieur, École National Supérieure de Géologie, 2009; M.Sc., Lulea University of Technology, 2009; Ph.D., University of Chicago, 2015. Visiting Associate, Caltech, 2017-18; Assistant Professor, 2018-; HMRI Investigator, 2021-.

Ritsuko H Toner, Ph.D.
Lecturer in Japanese
B.A., Kyoto University of Foreign Studies (Japan), 1974; M.A., University of Southern California, 1979; Ph.D., 1987. Caltech, 1992-.

Nicholas J Tosca, Ph.D.
Moore Distinguished Scholar in Geology
B.S., University at Albany, 2001; M.S., Stony Brook University, 2003; Ph.D., 2007. Caltech 2020-21.

Sandra Troian, Ph.D.
Professor of Applied Physics, Aeronautics, and Mechanical Engineering
B.A., Harvard University, 1980; M.S., Cornell University, 1984; Ph.D., 1987. Moore Distinguished Scholar, Caltech, 2004-05; Professor, 2006-.

Joel A Tropp, Ph.D.
Steele Family Professor of Applied and Computational Mathematics
B.A., B.S., University of Texas (Austin), 1999; M.S., 2001; Ph.D., 2004. Assistant Professor, Caltech, 2007-12; Professor, 2012-17; Steele Family Professor, 2017-.

Anita Tusche, Ph.D.
Visiting Associate in Neuroeconomics
B.Sc/M.Sc., Technical University Dresden, 2007; Ph.D., Humboldt University Berlin, 2013. Caltech, 2018-23.

Carol C (Chace) Tydell
Lecturer in Biology
B.S., University of California (Davis), 1980; D.V.M., 1982. Adjunct Professor, Pasadena City College, 2007-2010. Instructor Biological Sciences, Cerritos College, 2010 -. Visiting Associate, Caltech, 2007-10; Lecturer, 2008, 2010, 2011, 2012, 2013, 2014, 2015-22.

Paul A Ullrich, Ph.D.
Visiting Associate in Environmental Science and Engineering
B.S., University of Waterloo, 2007; M.S., 2007; Ph.D., University of Michigan, 2011. Caltech, 2021-23.

Christopher M (Chris) Umans, Ph.D.
Professor of Computer Science; Executive Officer for Computing and Mathematical Sciences
B.A., Williams College, 1996; Ph.D., University of California, Berkeley, 2000. Assistant Professor, Caltech, 2002-08; Associate Professor, 2008-10; Professor, 2010-; EAS Division Deputy Chair, 2018-20; Executive Officer, 2020-.

Carlo R (Carl) Urbinati, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., University of Illinois, Urbana, 1992; Ph.D., Loyola University, Chicago, 1998. Caltech, 2017-18; 2019; 2022.

Kerry J Vahala, Ph.D.
Ted and Ginger Jenkins Professor of Information Science and Technology and Applied Physics; Executive Officer for Applied Physics and Materials Science
B.S., Caltech, 1980; M.S., 1981; Ph.D., 1985. Research Fellow in Applied Physics, 1985; Assistant Professor, 1986-90; Associate Professor, 1990-96; Professor, 1996-2002; Jenkins Professor, 2002-; Executive Officer, 2013-.

Palghat P Vaidyanathan, Ph.D.
Kiyo and Eiko Tomiyasu Professor of Electrical Engineering
B.Sc., University of Calcutta, 1974; B.Tech., 1977; M.Tech., 1979; Ph.D., University of California (Santa Barbara), 1982. Assistant Professor, Caltech, 1983-88; Associate Professor, 1988-93; Professor, 1993-2018; Tomiyasu Professor, 2018-; Executive Officer for Electrical Engineering, 2002-05.

Joan S Valentine, Ph.D.
Visiting Associate in Geobiology
A.B., Smith College, 1967; Ph.D., Princeton University, 1971. Professor, University of California (Los Angeles), 1981-. Caltech, 1986-2001, 2015-22.

Michele Vallisneri, Ph.D.
Visiting Associate in Theoretical Astrophysics
Laurea, University of Parma, Italy, 1997; M.S., 2000; Ph.D., Caltech, 2002. Research Scientist, Jet Propulsion Laboratory, 2005-. Lecturer, Caltech, 2003-05; Visiting Associate, 2005-23.

David A Van Valen, Ph.D.
Assistant Professor of Biology and Biological Engineering; Investigator, Heritage Medical Research Institute
B.S., Massachusetts Institute of Technology, 2003; Ph.D., Caltech, 2011; M.D., University of California Los Angeles, 2013; Visiting Associate, Caltech, 2017-18; Research Assistant Professor, 2018; Assistant Professor, 2018-; HMRI Investigator, 2021-.

Michael C Vanier, Ph.D.
Teaching Professor of Computing and Mathematical Sciences
B.S., McGill University, 1986; M.S., California Institute of Technology, 1993; Ph.D., 2001. Lecturer in Computing and Mathematical Sciences, 2004-2020; Teaching Professor of Computing and Mathematical Sciences, 2020-.

Alexander J Varshavsky, Ph.D.
Thomas Hunt Morgan Professor of Biology
B.S., Moscow State University, 1970; Ph.D., Institute of Molecular Biology, 1973. Smits Professor, Caltech, 1992-17; Morgan Professor, 2017-.

Paulo Vasconcelos, Ph.D.
Visiting Associate in Geochemistry
B.S., University of Kansas, 1983; M.A., University of Texas, Austin, 1987; Ph.D., University of California, Berkeley, 1992. Caltech, 2011-16, 2020-24.

Michael A (Mike) Vicic, Ph.D.
Teaching Professor in Chemical Engineering
B.S., University of Akron, 1992; Ph.D., Caltech, 1999. Lecturer, 2003-08; 2010; 2012-.

Thomas G Vidick, Ph.D.
Professor of Computing and Mathematical Sciences
B.S., Ecole Normale Superieure, Paris, 2007; M.S., 2007; Ph.D., University of California, Berkeley, 2011. Assistant Professor, Caltech, 2014-17; Associate Professor, 2017-18; Professor, 2018-.

Zoltan Vidnyanszky, Ph.D.
Olga Taussky and John Todd Instructor in Mathematics
Eotvos Lorand University, Budapest, M.S., 2011; Ph.D., 2015. Caltech 2020 -23.

Juan Pablo Vigneaux Ariztia, Ph.D.
Olga Taussky and John Todd Instructor in Mathematics
B.S., Pontificia Universidad Catolica de Chile, 2014; M.A., Pierre and Marie Curie University, 2015; Ph.D., University of Paris, 2019. Caltech, 2021-24.

Scott C Virgil, Ph.D.
Lecturer in Chemistry
B.S., Caltech, 1987; Ph.D., Harvard University, 1991. Caltech, 2008; 2009: 2010; 2011; 2013; 2014; 2015; 2016; 2017; 2018; 2020; 2021; 2022.

Petr Vogel, Ph.D.
Senior Research Associte in Physics, Emeritus
Ph.D., Joint Institute of Nuclear Research (USSR), 1966. Senior Research Fellow, Caltech, 1970-75; Research Associate, 1975-81; Senior Research Associate, 1981-2004; Lecturer, 1983-90; 1992; 1995-96; 1999-2000; 2006; Senior Research Associate Emeritus, 2004-.

Rochus E (Robbie) Vogt, Ph.D.
R. Stanton Avery Distinguished Service Professor and Professor of Physics, Emeritus
S.M., University of Chicago, 1957; Ph.D., 1961. Assistant Professor, Caltech, 1962-65; Associate Professor, 1965-70; Professor, 1970-82; R. Stanton Avery Distinguished Service Professor, 1982-2002;R. Stanton Avery Distinguished Service Professor Emeritus, 2002-. Chief Scientist, Jet Propulsion Laboratory, 1977-78; Chairman, Division of Physics, Mathematics and Astronomy, 1978-83; Acting Director, Owens Valley Radio Observatory, 1980-81; Vice President and Provost, 1983-87; Director, Laser Interferometer Gravitational- wave Observatory Project, 1987-94.

Peter W Voorhees, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B.Sc. Rensselaer Polytechnic Institute, 1977; Ph.D., 1982. Caltech, Moore Distinguished Scholar, 2019; Visiting Associate, 2019-24.

Rebecca M Voorhees, Ph.D.
Assistant Professor of Biology and Biological Engineering; Investigator, Heritage Medical Research Institute
B.S., Yale University, 2007; M.Sc., 2007; Ph.D., MRC Laboratory of Molecular Biology, 2011. Visiting Associate, Caltech, 2016-17; Assistant Professor, 2017-; HMRI Investigator, 2017-.

Daniel A Wagenaar, Ph.D.
Research Professor of Biology and Biological Engineering
M.S., University of Amsterdam, 1997; M.S., King's College - London, 1998; Ph.D., Caltech, 2006; 2016-.

David B Wales, Ph.D.
Professor of Mathematics, Emeritus
B.S., University of British Columbia, 1961; M.A., 1962; Ph.D., Harvard University, 1967. Bateman Research Fellow, Caltech, 1967-68; Assistant Professor, 1968-71; Associate Professor, 1971-77; Professor, 1977-2008; Professor Emeritus, 2008-. Associate Dean of Students, 1976-80; Dean of Students, 1980-84; Executive Officer for Mathematics, 1985-91; Master of Student Houses, 1991-97.

Duane E Waliser, Ph.D.
Visiting Associate in Planetary Science
B.S., Oregon State University, 1985; M.S., University of California (San Diego), 1987; Ph.D., 1992. Research Scientist, Jet Propulsion Laboratory, 2004-. Caltech, 2004-23.

Kaihang Wang, Ph.D.
Assistant Professor of Biology and Biological Engineering
B.S., University College, London, 2004; Ph.D., University of Cambridge, 2008. Visiting Associate, Caltech, 2017-18; Assistant Professor, 2018-.

Lihong Wang, Ph.D.
Bren Professor of Medical Engineering and Electrical Engineering; Andrew and Peggy Cherng Medical Engineering Leadership Chair; Executive Officer for Medical Engineering
B.S., Huazhong University of Science and Technology, 1984; M.S., 1987; Ph.D., Rice University, 1992. Visiting Associate, Caltech, 2016; Bren Professor, 2017-; Cherng Medical Engineering Leadership Chair, 2022-; Executive Officer for Medical Engineering, 2022-.

Xiangyun Wang, Ph.D.
Lecturer in Chinese
M.A., Central Institute for Nationalities (China), 1985; Ph.D., Harvard University, 1995. Caltech, 2001-.

Zhen-Gang Wang, Ph.D.
Dick and Barbara Dickinson Professor of Chemical Engineering; Executive Officer for Chemical Engineering
B.Sc., Beijing University, 1982; Ph.D., University of Chicago, 1987. Assistant Professor, Caltech, 1991-97; Associate Professor, 1997-2002; Professor, 2002-15; Hanson Professor, 2015-17; Dickinson Professor, 2017-; Executive Officer, 2019-.

Michael M Watkins, Ph.D.
Professor of Aerospace and Geophysics
B.S., University of Texas, Austin, 1983; M.S., 1985; Ph.D., 1989. Professor, Caltech, 2016-; Vice President and Director of Jet Propulsion Laboratory, 2016-21.

Glenn A Waychunas, Ph.D.
Visiting Associate in Geochemistry
B.A., Temple University, 1972; Ph.D., University of California (Los Angeles), 1979. Caltech, 2020-22.

Lu Wei, Ph.D.
Assistant Professor of Chemistry; Investigator, Heritage Medical Research Institute
B.S., Nanjing University, 2010; Ph.D., Columbia University, 2015. Visiting Associate, Caltech, 2017-18; Assistant Professor, 2018-; HMRI Investigator, 2021-.

Sander Weinreb, Ph.D.
Visiting Associate in Astronomy
B.S., Massachusetts Institute of Technology, 1958; Ph.D., 1963. Caltech, 1999-2024.

Alan J Weinstein, Ph.D.
Professor of Physics; Executive Officer for Physics
A.B., Harvard University, 1978; Ph.D., 1983. Assistant Professor, Caltech, 1988-95; Associate Professor, 1995-99; Professor, 2000-; Executive Officer, 2020-.

Cindy A Weinstein, Ph.D.
Eli and Edythe Broad Professor of English
B.A., Brandeis University, 1982; Ph.D., University of California, 1989. Assistant Professor of Literature, Caltech, 1989-95; Associate Professor, 1995-2004; Associate Professor of English, 2004-05; Professor, 2005-16; Broad Professor, 2016-; Executive Officer, 2008-14; Vice Provost, 2014-18, 2019-21; Chief Diversity Officer, 2015-18, 2019-21.

Daniel P (Dan) Weitekamp, Ph.D.
Professor of Chemical Physics
B.A., Harvard College, 1974; Ph.D., University of California, 1982. Assistant Professor of Chemistry, Caltech, 1985-91; Associate Professor of Chemical Physics, 1991-2006; Professor, 2006-.

Xin Wen, Ph.D.
Visiting Associate in Chemistry
B.S., Nanjing University, 1998; Ph.D., University of Rochester, 2005. Caltech, 2014-19; 2022.

Paul O Wennberg, Ph.D.
R. Stanton Avery Professor of Atmospheric Chemistry and Environmental Science and Engineering; Executive Officer for Environmental Science and Engineering; Director, Ronald and Maxine Linde Center for Global Environmental Science
B.A., Oberlin College, 1985; Ph.D., Harvard University, 1994. Associate Professor of Atmospheric Chemistry and Environmental Engineering Science, Caltech, 1998-2001; Professor, 2001-03; Professor of Atmospheric Chemistry and Environmental Science and Engineering, 2003-04; Avery Professor, 2004-; Director, Linde Center, 2008-11, 2014-; Executive Officer, 2012-; Acting Director, Linde Center, 2012-14.

Michael W Werner, Ph.D.
Visiting Associate in Physics
B.A., Haverford College, 1963; Ph.D., Cornell University, 1968. Caltech, 1992-96; 2009-13; 2016-22.

Brian P Wernicke, Ph.D.
Chandler Family Professor of Geology
B.S., University of Southern California, 1978; Ph.D., Massachusetts Institute of Technology, 1982. Visiting Professor, Caltech, 1990; Professor of Geology, 1992-2001; Chandler Professor, 2001-.

Nicolas Wey-Gomez, Ph.D.
Professor of History
B.A., Brandeis University, 1986; M.A., Johns Hopkins University, 1987; M.A., 1991; PhD, 1996. Associate Professor, Caltech, 2010; Professor, 2010-.

Kara Whatley
University Librarian
B.A., Hendrix College, 1997; MLIS, University of Oklahoma, 1999; M.S., Texas Tech University, 2004. Caltech, 2019-.

Mark E Wiedenbeck, Ph.D.
Visiting Associate in Physics
B.S., University of Michigan, 1971; Ph.D., 1978. Principal Research Scientist, Jet Propulsion Laboratory, 1992-. Lecturer, 2011; Visiting Associate, 2009-24.

Adam C Wierman, Ph.D.
Professor of Computing and Mathematical Sciences; Director, Information Science and Technology
B.S., Carnegie Mellon University, 2001; M.S., 2004; Ph.D., 2007. Assistant Professor, Caltech, 2007-12; Professor, 2012-; Executive Officer, 2015-20; Associate Director, 2015-16; Director, 2016-.

Danielle L Wiggins, Ph.D.
Assistant Professor of History
B.A., Yale University, 2012; Ph.D., Emory University, 2018. Caltech, 2019-.

John C Williams, Ph.D.
Visiting Associate in Chemistry
B.S., University of California (Santa Cruz), 1990; M.S., Columbia University, 1993; Ph.D, 1995. Caltech, 2020-23.

Nathan M Wilson, Ph.D.
Lecturer in Engineering
B.S., Virginia Polytechnic Institute and State University, 1996; M.S., Stanford University, 1997; M.B.A., University of California (Los Angeles), 2009; Ph.D., Stanford University, 2003. Caltech, 2018-22.

Richard M Wilson, Ph.D.
Professor of Mathematics, Emeritus
B.S., Indiana University, 1966; M.S., Ohio State University, 1968; Ph.D., 1969. Sherman Fairchild Distinguished Scholar, Caltech, 1976; Professor, 1980-2014; Professor Emeritus, 2014-.

Erik Winfree, Ph.D.
Professor of Computer Science, Computation and Neural Systems, and Bioengineering
B.S., University of Chicago, 1991; Ph.D., Caltech, 1998. Assistant Professor, 1999-2006; Associate Professor of Computer Science and Computation and Neural Systems, 2006-07; Associate Professor, 2007-10; Professor, 2010-.

Jay R Winkler, Ph.D.
Faculty Associate in Chemistry; Lecturer in Chemistry
B.S., Stanford University, 1978; Ph.D., Caltech, 1984. Lecturer, 2002; 2004-05; 2009-10; 2013; 2014; 2015; 2016; 2017; 2018; 2021; 2022. Faculty Associate, 2008-24.

Kenneth J Winston, Ph.D.
Lecturer in Economics
B.S., Caltech, 1973; M.S., 1974; Ph.D., Massachusetts Institute of Technology, 1979. Caltech, 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2020; 2021; 2022.

Mark B Wise, Ph.D.
John A. McCone Professor of High Energy Physics
B.Sc., University of Toronto, 1976; M.Sc., 1977; Ph.D., Stanford University, 1980. Assistant Professor of Theoretical Physics, Caltech, 1982-84; Associate Professor, 1984-85; Professor, 1985-92; McCone Professor, 1992-.

Barbara J Wold, Ph.D.
Bren Professor of Molecular Biology; Allen V. C. Davis and Lenabelle Davis Leadership Chair, Richard N. Merkin Institute for Translational Research; Director, Richard N. Merkin Institute for Translational Research
B. S., Arizona State University (Tempe), 1973; Ph.D., Caltech, 1978. Research Fellow, 1978; Assistant Professor, 1981-88; Associate Professor, 1988-96; Professor, 1996-2002; Bren Professor, 2003-; Davis Leadership Chair; 2019-; Director, 2001-11, 2019-.

Juliann K (Juli) Wolfgram, Ph.D.
Lecturer in Art History
B.A., Scripps College, 1979; M.A., University of Kansas, 1986; M.Phil., 1986; Ph.D., 1986. Caltech, 1992-2012: 2016; 2018; 2019; 2020; 2021; 2022.

Michael Woodford, Ph.D.
Visiting Associate in Economics
B.A., University of Chicago, 1977; J.D., Yale Law School, 1980; Ph.D., Massachusetts Institute of Technology, 1983. Caltech, 2022.

James F Woodward, Ph.D.
J. O. and Juliette Koepfli Professor of the Humanities, Emeritus
B.A., Carleton College, 1968; Ph.D., University of Texas (Austin), 1977. Mellon Postdoctoral Instructor, Caltech, 1983-86; Assistant Professor, 1986-88; Associate Professor, 1988-92; Professor, 1992-2001; Koepfli Professor, 2001-2010; Koepfli Professor Emeritus, 2010-. Executive Officer for the Humanities, 1992-95; 2000-2003.

Pin Chieh Wu, Ph.D.
Visiting Associate in Applied Physics and Materials Science
B.S., National Taiwan University, 2009; M.S., 2012; Ph.D., 2015. Caltech, 2019-22.

Shukun Wu, Ph.D.
Olga Taussky and John Todd Instructor in Mathematics
B.S., University of Science and Technology of China, 2017; Ph.D., University of Illinois Urbana, 2021. Caltech 2021-24.

Theodore Y Wu, Ph.D.
Professor of Engineering Science, Emeritus
B. Sc., Chiao-Tung University (China), 1946; M.S., Iowa State University, 1948; Ph.D., Caltech, 1952. Research Fellow in Hydrodynamics, 1952-55; Assistant Professor of Applied Mechanics, 1955-57; Associate Professor, 1957-61; Professor, 1961-66; Professor of Engineering Science, 1966-96; Professor Emeritus, 1996-.

Peter J Wyllie, Ph.D., D.Sc.h.c.
Professor of Geology, Emeritus
B.Sc. (Geology and Physics), Saint Andrews University (Scotland), 1952; B.Sc. (Geology), 1955; Ph.D., 1958; D.Sc.h.c., Saint Andrews University. Professor, Caltech, 1983-99; Professor Emeritus, 1999-. Chairman, Division of Geological and Planetary Sciences, 1983-87; Divisional Academic Officer, 1994-99.

Chengxiang Xiang, Ph.D.
Research Professor of Applied Physics and Materials Science
Ph.D., University of California (Irvine), 2009. Caltech, 2021-.

Si Xie, Ph.D.
Visiting Associate in Physics
B.Sc., University of Toronto, 2006; Ph.D., Massachusetts Institute of Technology, 2012. Caltech, 2018-22.

Yi Xin, Ph.D.
Assistant Professor of Economics
B.A, B.S., Peking University, 2012; M.A., Johns Hopkins University, 2016; Ph.D., 2018; Caltech, 2018-.

Changhuei Yang, Ph.D.
Thomas G. Myers Professor of Electrical Engineering, Bioengineering, and Medical Engineering; Investigator, Heritage Medical Research Institute
B.S. (Electrical Engineering); B.S. (Physics), Massachusetts Institute of Technology, 1997; M.S.(Engineering), 1997; B.S. (Mathematics), 2002; Ph.D., 2001. Assistant Professor of Electrical Engineering, Caltech, 2003-04; Assistant Professor of Electrical Engineering and Bioengineering, 2004-09; Associate Professor, 2009-10; Professor, 2010-16; Myers Professor, 2016-; HMRI Investigator, 2021-.

Amnon Yariv, Ph.D.
Martin and Eileen Summerfield Professor of Applied Physics and Electrical Engineering
B.S., University of California, Berkeley, 1954; M.S., 1956; Ph.D., 1958. Associate Professor, Caltech, 1964-66; Professor, 1966-74; Professor of Electrical Engineering and Applied Physics, 1974-79; Myers Professor, 1979-96; Summerfield Professor, 1996-.

Leeat Yariv, Ph.D.
Visiting Associate in Economics
B.Sc., Tel-Aviv University, 1992; M.Sc., 1995; M.A., Harvard University, 2001; Ph.D., 2001. Visiting Assistant Professor, Caltech, 2004-05; Associate Professor, 2005-10; Professor, 2010-22; Visiting Associate, 2022.

Linda Ye, Ph.D.
Visiting Associate in Physics
B.S., Tsinghua University, 2008; M.E., University of Tokyo, 2014; Ph.D. Massachusetts Institute of Technology, 2020. Caltech 2022-23.

Nai-Chang Yeh, Ph.D.
Thomas W. Hogan Professor of Physics
B.S., National Taiwan University, 1983; Ph.D., Massachusetts Institute of Technology, 1988. Assistant Professor, Caltech, 1989-95; Associate Professor, 1995-97; Professor, 1997-2022; Hogan Professor, 2022-; Fletcher Jones Foundation Co-Director, Kavli Nanoscience Institute, 2013-19.

Yi Yin, Ph.D.
Lecturer in Environmental Science and Engineering
Ph.D., Peking University, 2012. Caltech, 2022.

Kakani K Young, Ph.D.
Visiting Associate in Aerospace
B.S., University of Washington, 2004; M.S., California Institute of Technology, 2005; Ph.D., 2010. Caltech, 2021- 2023.

Tony Yue Yu, Ph.D.
Professor of Mathematics
B.A., Peking University, China and École normale supérieure Paris, 2011; M.S., École normale supérieure Paris, 2013; Ph.D., University of Paris, 2016. Professor, Caltech, 2021-.

Yisong Yue, Ph.D.
Professor of Computing and Mathematical Sciences
B.S., University of Illinois, 2005; Ph.D., Cornell University, 2010. Assistant Professor, Caltech, 2014-20; Professor, 2020-.

Yuk L Yung, Ph.D.
Professor of Planetary Science; Jet Propulsion Laboratory Senior Research Scientist
B.S., University of California, 1969; Ph.D., Harvard University, 1974. Visiting Associate, Caltech, 1976; Assistant Professor, 1977-82; Associate Professor, 1982-86; Professor, 1986-2011, 2017-; Smits Family Professor, 2012-16; Jet Propulsion Laboratory Research Scientist, 2014-15; Jet Propulsion Laboratory Senior Research Scientist, 2015-.

Magdalena (Magda) Zernicka-Goetz, Ph.D.
Bren Professor of Biology and Biological Engineering
M.Sc., University of Warsaw, 1988; Ph.D, 1993; Visiting Associate, Caltech, 2018-19; Bren Professor, 2019-.

Zhongwen Zhan, Ph.D.
Professor of Geophysics
B.S., University of Science and Technology of China, 2006; M.S., 2008; Ph.D., California Institute of Technology, 2013. Assistant Professor, Caltech, 2015-22; Professor, 2022-.

Yue Zhou, Ph.D.
Visiting Associate in Chemistry
Ph.D., Pennsylvania State University, 2015. Caltech, 2022.

Julia J (Julia Jiangyue) Zhu, Ph.D.
Visiting Associate in the Humanities
B.A., Peking University, 2009; M.A., 2012; Ph.D., University of Sorbonne, 2018. Caltech, 2021-22.

Xinwen Zhu, Ph.D.
Professor of Mathematics
A.B., Peking University, 2004; Ph.D., University of California, Berkeley, 2009. Associate Professor, Caltech, 2014-16; Professor, 2016-.

Kai G Zinn, Ph.D.
Howard and Gwen Laurie Smits Professor of Biology
B.A., University of California (San Diego), 1977; Ph.D., Harvard University, 1983. Assistant Professor, Caltech, 1989-95; Associate Professor, 1995-1999. Professor, 1999-2017; Smits Professor, 2017-.

Jonas Zmuidzinas, Ph.D.
Merle Kingsley Professor of Physics; Director, Caltech Optical Observatories
B.S., Caltech, 1981; Ph.D., University of California, 1987. Assistant Professor, Caltech, 1989-95; Associate Professor, 1995-2000; Professor 2000-10; Kingsley Professor, 2010-; Jet Propulsion Laboratory Senior Research Scientist, 2005-11; Jet Propulsion Laboratory Chief Technologist, 2011-16; Director, Micro-Devices Laboratory, Jet Propulsion Laboratory, 2007-11; Director, 2018-.

Konstantin M Zuev, Ph.D.
Teaching Assistant Professor of Computing and Mathematical Sciences
B.S., Lomonosov Moscow State University, Russia, 2003; M.S., 2008; Ph.D., Hong Kong University of Science and Technology, 2009. Visiting Associate in Computing and Mathematical Sciences, 2011-13; Lecturer in Computing and Mathematical Sciences, 2015-20; Teaching Assistant Professor of Computing and Mathematical Sciences, 2020-.

Kathryn M Zurek, Ph.D.
Professor of Theoretical Physics
B.S., Bethel University, 2001; Ph.D., University of Washington, 2006; Professor, Caltech, 2019-.

Published Date: April 24, 2023