Officers and Faculty

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. Professor, Caltech, 2014-; President, 2014-; Davidow Presidential Chair, 2014- .

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-; Division Chair, 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, Caltech, 1983; Assistant Professor, 1983-89; Associate Professor, 1989-94; Professor, 1994-.

Rana Adhikari, Ph.D.
Professor of Physics
B.S., University of Florida, Gainsville, 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, Caltech, 2004-17; Bren Professor, 2005-; 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; Lecturer in German, 1978-83; 1986-; Instructor in German, 1983-1986.

Theodor Agapie, Ph.D.
John Stauffer Professor of Chemistry; Executive Officer for Chemistry
B.S., Massachusetts Institute of Technology, 2001; Ph.D., Caltech, 2007. Assistant Professor, Caltech, 2009-14; Professor, 2014-23; Stauffer Professor, 2023-; 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, 2014-24.

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
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; 2016-2023.

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, 1960-66; Professor, 1966-2002; Professor, Emeritus, 2002-; Academic Officer, 1971-79; Chief Scientist, Jet Propulsion Laboratory, 1979-84; Dean, Graduate Studies, 1984-2000.

Miguel Alcalde, Ph.D.
Visiting Associate in Chemical Engineering
B.S., University of Madrid, 1993, Ph.D., 1999. Caltech, 2015; 2023.

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, 2008-23.

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-.

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 Leadership Chair, 2017-; Director, T&C Chen Brain-Machine Interface Center, 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; Sperry Professor, 2004-09; Benzer Professor, 2009-; HHMI Investigator, 1989-; Chen Leadership Chair, 2017-; Director, Tianqiao and Chrissy Chen Institute for Neuroscience, 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, 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, 1973-77; Division Chair, 1984-94.

Dimitrios Antsos, Ph.D.
Lecturer in Electrical Engineering
B.S., California Institute of Technology, 1990; M.S., 1991; Ph.D., 1994. Caltech, 1994-99; 2004-10; 2012-18; 2020-21; 2023.

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-.

Ludmilla Aristilde, Ph.D.
Visiting Associate in Environmental Science and Engineering
B.S., Cornell University, 2003; M.S., University of California, 2004, Ph.D., 2008. Caltech, 2022.

Maria del Pilar (Pilar Ariza) Ariza Moreno, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
M.S., University of Seville, 1997; Ph.D., 2002. Visiting Associate in Aerospace, 2003-06; 2007; 2009: 2010-13; 2018; 2019; 2020; 2021-22. Caltech, 2023.

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, 1996-2000; Dickinson Professor, 2000-17; Pauling Professor, 2017-; Director, Donna and Benjamin M. Rosen Bioengineering Center, 2013-.

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, 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. Professor, 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, Caltech, 1999-2005; Associate Professor, 2005-2010; Professor, 2010-16; McMillan Professor, 2016-.

Raul Astudillo Marban, Ph.D.
Lecturer in Computing and Mathematical Sciences
B.S., University of Guanajuato, 2016; Ph.D., Cornell University, 2022. Caltech, 2023.

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, 1999-2002; Howard Hughes Professor, 2002-; Director, Resnick Sustainability Institute, 2009-15; Director, Joint Center for Artificial Photosynthesis, 2014-21; Booth Leadership Chair, 2021-; Division 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., Caltech, 1998; Ph.D., 2003. Professor, 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; Anthony Professor, 2012-; Director, Tectonic Observatory, 2004-13; Associate Director, Center for Autonomous Systems and Technologies, 2022-.

Hyun Ji (Jane) Bae, Ph.D.
Assistant Professor of Aerospace
B.S., Caltech, 2011; Ph.D., Stanford University, 2018. Assistant Professor, 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; 2023.

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, 1996-99; Johnson Professor and Professor, Emeritus, 1999-; Division Chair, 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-.

Ricardo S Baptista, Ph.D.
von Karman Instructor in Computing and Mathematical Sciences
B.S., University of Toronto, 2015; M.S., Massachusetts Institute of Technology, 2017; Ph.D., 2022. Caltech, 2022-2024.

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, 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, 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, 2017-22; Division Chair, 2009-19; Davidson Leadership Chair, 2016-19; Kirkwood-Noyes Professor, Emerita, 2022-.

Shyue-Fang Battaglia-Hsu, M.S.
Visiting Associate in Biology and Biological Engineering
M.S., The Ohio State University, 1988; M.S., University of Wisconsin-Madison, 1992; Ph.D., University of Wisconsin-Madison, 1993. Caltech 2022-23.

Konstantin Batygin, Ph.D.
Professor of Planetary Science
B.S., University of California, Santa Cruz, 2008; M.S., Caltech, 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, Emeritus
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, 2000-23; Ferkel Professor, Emeritus, 2023-.

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, 1981-87; Associate Professor, 1987-96; Professor, 1996-2011; Housner Professor, 2012-17; Housner Professor, Emeritus, 2017-; Executive Officer, 1993-98.

Fahmi Bedoui, Ph.D.
Visiting Associate in Chemistry
B.S., ENSIM Mulhouse, 2001; M.Sc, ENS Cachan, 2002; Ph.D., ENSAM Paris Tech, 2005. Caltech, 2015-17, 2023.

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; 2018-26.

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. Noyes Research Fellow, Caltech, 1972-74; Assistant Professor, 1974-77; Associate Professor, 1977-79; Professor, 1979-93; Shell Distinguished Professor, 1985-90; Centennial Professor, 1993-2015; Centennial Professor, Emeritus, 2015-; Executive Officer, 1999-2002.

Leonid Berlyand, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
Ph.D., Kharkov State University, 1984. Caltech, 2023.

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-.

Caitlin Berrigan, M.S.
Lecturer in Visual Culture
B.A., Hampshire College, 2004; M.S., Massachusetts Institute of Technology. Caltech, 2022-2023.

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-.

Christopher P (Chris) Bickford, Ph.D.
Lecturer in Engineering
B.S., University of Oklahoma, 2001; M.S., Northern University, Arizona, 2005; Ph.D., University of New Mexico Albuquerque, 2009. Caltech, 2022-23.

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, 2023; Lecturer in Geology, 2000-14; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023.

Nur A (Ady) Binti Ainul Annuar, Ph.D.
Visiting Associate in Physics
B.S., University of Sheffield, 2013; Ph.D., Durham University, United Kingdom, 2018. Caltech, 2023.

Pamela J Bjorkman, Ph.D.
David Baltimore Professor of Biology and Biological Engineering; Merkin Institute Professor
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, 2020-22.

Eric Black, Ph.D.
Lecturer in Physics
B.S., University of Tennessee, 1991; M.S., University of Colorado, 1994; Ph.D., 1996. Caltech, 2001-23.

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, 1987-93; Associate Professor, 1993-97; Professor, 1997-; Deputy Director, Owens Valley Radio Observatory, 2000-06; Master, Student Houses, 2009-14.

Adam Blank, M.S.
Teaching Professor of Computing and Mathematical Sciences; Academic Director, First-Year Success Research Institute
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-.

Simona Bordoni, Ph.D.
Visiting Associate in Environmental Science and Engineering
Dipl., University of Rome Tor Vergata, 1996; M.S., University of California (Los Angeles), 2003; Ph.D., 2007. Moore Postdoctoral Fellow, Caltech, 2007; Assistant Professor, 2009-17; Professor, 2017-2022; Visiting Associate, 2022-2023.

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, 2004-25.

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-; Executive Officer, 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.

Lindsay R Bremner, Ph.D.
Lecturer in Biology and Biological Engineering
B.A., St. Catherines College, 2000; Ph.D., University College London, 2007. Caltech, 2013-22.

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, Student Houses, 1983-87; Dean, Students, 1988-92; Executive Officer, 1993-97; Vice President, 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, 1977-83; Braun Professor, 1983-2002; Braun Professor, Emeritus, 2002-; Executive Officer, 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, 1976-80, 1985-89; Associate Division Chair, 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, Beckman Institute, 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, 1953-54; Assistant Professor, 1954-58; Associate Professor, 1958-62; Professor, 1962-76; Irvine Professor, 1976-95; Irvine Professor, Emeritus, 1995-; Academic Officer, 1972-74; Director, Environmental Quality Laboratory, 1974-93; Executive Officer, 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, Caltech Center for Comparative Planetary Evolution, 2020-.

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, 1998-2000.

Claire E Bucholz, Ph.D.
Assistant Professor of Geology
B.S., Yale University, 2009; Ph. D., Massachusetts Institute of Technology, 2016. Assistant Professor, 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. Dreyfuss Professor, 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, 2000-12; Hayman Professor, 2012-; Executive Officer, 2006-07; Jet Propulsion Laboratory Research Scientist, 2014-.

Erin Burkett, Ph.D.
Lecturer in Engineering, STEM Writing Specialist
B.S., University of Delaware, 2004; Ph.D., University of California (Davis), 2010. Caltech, 2018-23.

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

Phil Buskohl, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., Cedarville University, 2006; Ph.D., Cornell University, 2012. Caltech, 2023.

Muruvvet I Buyukboyaci, Ph.D.
Visiting Associate in Economics
B.S., Bilkent University, 2005; M.A., Sabanci University, 2007; Ph.D., Caltech, 2013. Caltech 2022-23.

Gentian Buzi, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B.S., The State University of New York; M.S., California Institute of Technology, 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, Caltech, 2017-18; Assistant Professor, 2010-17; Research Professor, 2017-18; Professor, 2018-.

Joern Callies, Ph.D.
Professor of Oceanography and Environmental Science
M.S., University of Hamburg, 2011; Ph.D., Massachusetts Institute of Technology, 2015. Assistant Professor, Caltech, 2017-23; Professor, 2023-.

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; Axline Professor, 1994-2008; Kirby Professor, 2008-; Chen Leadership Chair, 2017-; Director, Chen Center for Social and Decision Neuroscience, 2017-; Executive Officer, 2017-19.

Stefano Campagnola, Ph.D.
Lecturer in Aerospace
M.S., Politecnico Di Milano, 2002; Ph.D., University of Southern California, 2010. Caltech, 2018; 2019; 2020; 2021; 2022.

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

Chun Jun (Charles) Cao, Ph.D.
Visiting Associate in Theoretical Physics
Ph.D., California Institute of Technology, 2018. Caltech 2022-23.

Mengyi Cao, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.A., Colorado College, 2011; Ph.D., University of Wisconsin-Madison, 2017. Caltech, 2023-26.

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. Assistant Professor, 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, 2006-13; Davidow Presidential Professor, 2013; President, 2006-13; President Emeritus, 2013-.

David C Chan, Ph.D.
Harold and Violet Alvarez 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, 2010-23; Alvarez Professor, 2023-; Dean, Graduate Studies, 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, Caltech, 1963-64; Associate Professor, 1964-68; Professor, 1968-92; Hoag Professor, 1992-2001; Hoag Professor, Emeritus, 2002-; Acting Executive Officer, 1977-78; Executive Officer, 1978-80, 1989-94; Master, Student Houses, 1980-83.

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, 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. Assistant Professor, Caltech, 2020-; Hurt Scholar, 2021-.

Ho-Lin Chen, Ph.D.
Visiting Associate in Electrical Engineering
B.S., National Taiwan University, 2000; Ph.D., Stanford University, 2007. Caltech, 2023.

Lijun Chen, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B.S., University of Science and Technology, China, 1995; M.S., Institute of Theoretical Physics, China, 1998; M.S., University of Maryland, College Park, 2001; Ph.D., California Institute of Technology, 2007. Caltech, 2012-14, 2015-17, 2022-24.

Xie Chen, Ph.D.
Professor of Theoretical Physics
B.S., Tsinghua University, 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-.

David F Chernoff, Ph.D.
Visiting Associate in Physics
Ph.D., University of California, 1985. Professor, Cornell University, 1999-. Caltech, 2001; 2009.

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-.

Kangwoo Cho, Ph.D.
Visiting Associate in Environmental Science and Engineering
B.S., Seoul National University, 2004; M.S., 2006; Ph.D., California Institute of Technology, 2015. Caltech, 2023-24.

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, 2019-24.

Alvin J Chua, Ph.D.
Visiting Associate in Theoretical Astrophysics
B.A., Nanyang Technology University, 2006; B.S., Australian National University, 2012; Ph.D., University of Cambridge, 2017. Caltech 2022-23.

Soon Jo Chung, Ph.D.
Bren Professor of 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-.

Jordan Claridge, Ph.D.
Visiting Associate in Economic History
B.A., University of Alberta, 2009; M.A., 2011; Ph.D., University of East Anglia, 2016. Caltech, 2022.

Anthony J (Tony) Clark, Ph.D.
Visiting Associate in Computing and Mathematical Sciences
B.S., Kansas State University, 2009; Ph.D., Michigan State University, 2016. Caltech, 2023-24.

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, 2022-24.

Robert W Clayton, Ph.D.
Professor of Geophysics, Emeritus
B.A.Sc., University of Toronto, 1973; M.Sc., University of British Columbia, 1976; Ph.D., Stanford University, 1981. Assistant Professor, Caltech, 1981-85; Associate Professor, 1985-89; Professor, 1989-2023; Professor, Emeritus, 2023-; Executive Officer, 1987-94; Acting Director, Seismological Laboratory, 1989; 2008-09; Deputy Director, Seismological Laboratory, 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, Caltech, 2005-13; Professor, 2013-21; Hanisch Professor, 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, 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, 1968-95; Professor, Emeritus, 1995-; Executive Officer, 1981-85.

Andres Collazo, Ph.D.
Lecturer in Biology and Biological Engineering
B.S., Cornell University, 1985; Ph.D., University of California, 1990. Scientist II, Section Chief, House Ear Institute, 2000-. Research Fellow, Caltech, 1991-94; Senior Research Fellow, 1994-96; Visiting Associate, 2005-10; Lecturer, 2015-23.

Tim Colonius, Ph.D.
Frank and Ora Lee Marble Professor of Mechanical Engineering and Medical 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., California Institute of Technology, 1994; Ph.D., 1998. Assistant Professor, California State University (Northridge), 2006-. Lecturer, 2002-04; Senior Research Fellow, 2003-06; Caltech, 2001-02; 2006-24.

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.

Anne-Clemence Corminboeuf, Ph.D.
Visiting Associate in Chemistry
Ph.D., University of Geneva, 2004. Caltech, 2022.

Abigail T Crites, Ph.D.
Visiting Associate in Physics
Ph.D., University of Chicago, 2013. Caltech 20-24.

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, Caltech, 1961-63; Assistant Professor, 1963-66; Associate Professor, 1966-71; Professor, 1971-2004; Hayman Professor, 1997-2004; Hayman 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-.

Curt J Cutler, Ph.D.
Visiting Associate in Theoretical Astrophysics
B.S., Yale University, 1983; Ph.D., 1989. Caltech, Senior Faculty Associate, 2006-22; Visiting Associate, 1999-2006, 2022-25.

Jaksa Cvitanic, Ph.D.
Richard N. Merkin Professor of Mathematical Finance
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, 2016-22.

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, Undergraduate Students, 2014-16.

Melissa Dabiri, Ph.D.
Interim Associate Director of University Teaching, Lecturer in Engineering
B.A, Azusa Pacific University, 2001; M.A., 2004; Ph.D., 2011. Caltech, 2014-15; 2021-23.

Nathan F Dalleska, Ph.D.
Lecturer in Environmental Science and Engineering
M.S., University of Minnesota, 1988; Ph.D., University of Utah, 1993. Lecturer in Chemistry, 2008; 2009; 2010; 2011; 2014; 2017-18; Lecturer in Geochemistry, 2016; 2018-20; 2020; 2022. Lecturer in Environmental Science and Engineering, 2003-06; 2023.

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, Emeritus
B.S., University of Kentucky, 1977; M.S., 1978; Ph.D., 1981. Professor, Caltech, 1991-93; Schlinger Professor, 1993-23; Schlinger Professor, Emeritus, 2023-; Executive Officer, 1999-2004.

Katherine R de Kleer, Ph.D.
Assistant Professor of Planetary Science and Astronomy; Hufstedler Family Scholar
B.Sc., Massachusetts Institute of Technology, 2009; M.A., University of California, Berkeley, 2013; Ph.D., 2017. Assistant Professor, Caltech, 2019-; Hufstedler Family Scholar, 2022-.

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, 2021-23.

John V Decemvirale, Ph.D.
Weisman Postdoctoral Instructor in Visual Culture and Caltech Presidential Postdoctoral Fellow
BA, New York University, 2006; MA, Royal College of Art, 2010; Ph.D., University of California (Santa Barbra), 2021. Caltech 2021-2023.

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

Eugene A Demler, Ph.D.
Moore Distinguished Scholar
M.S., Moscow Institute of Physics and Technology, 1993; Ph.D., Stanford University, 1998. Caltech, 2023.

Tracy K Dennison, Ph.D.
Edie and Lew Wasserman 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, 2011-2022; Wasserman Professor, 2022-; 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-; Division Chair, 1994-99; Vice President, 2011-12.

Clive Dickinson, Ph.D.
Visiting Associate in Astronomy
M.A., University of Manchester, 1999; Ph.D., 2002. Caltech, 2018-23.

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.

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, 2016-19.

Joao Manuel do Carmo Fialho Mendonca, Ph.D.
Visiting Associate in Environmental Science and Engineering
Ph.D., University of Oxford, 2014. Caltech, 2021-23.

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, 1994-99; Director, Beckman Institute, 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, Caltech, 1985; Visiting Associate Professor, 1986-87; Associate Professor, 1987-91; Professor, 1991-2004; Braun Professor, 2004-08, 2009-13; Chameau Professor, 2013-.

Hannah Druckenmiller, Ph.D.
Assistant Professor of Economics; William H. Hurt Scholar
B.S., Stanford University, 2014; M.S., University of California, Berkeley, 2018; Ph.D., 2021. Visiting Associate, Caltech, 2023; Assistant Professor, 2023-; Hurt Scholar, 2023-.

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-.

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

Bertrand Echenard, Ph.D.
Research Professor of High Energy Physics
Ph.D., Geneva University, 2005. Caltech, 2009-24.

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; Allen V. C. Davis and Lenabelle Davis Leadership Chair, Keck Institute for Space Studies; Director, W. M. 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, W. M. Keck Institute for Space Studies, 2018-23; Davis Leadership Chair, 2023-; Director, W. M. Keck Institute for Space Studies, 2023-.

Joel Ehrenkranz, M.D.
Visiting Associate in Chemistry
A. B., Amherst College, 1973; M. D., Stanford University, 1977. Caltech, 2022-24.

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, 2006-08; 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, Caltech, 1996-2004; Roshek Professor, 2004-17; 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, 1982-2001; Professor, 2002-16; Vice President and Director, 2001-16; Professor, Emeritus, 2016-.

Kareen J El-Badry, Ph.D.
Assistant Professor of Astronomy
B.S., Yale University, 2013; Ph.D., University of California, Berkeley, 2021. Visiting Associate, Caltech, 2022-23; Assistant Professor, 2023-.

Richard S Ellis, D.Phil.
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, 2021-26.

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; Division Deputy Chair, 2015-18; Executive Officer, 2018-; Director, Center for Sensing to Intelligence, 2021-.

Manuel A Endres, Ph.D.
Professor of Physics
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, 2019-23.

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, Caltech, 2000-07; Wasserman Professor, 2007-; Division Chair, 2002-06.

Paolo Ermanni, Ph.D.
Visiting Professor in Aerospace
M.S. ETH Zurich, 1984; Ph.D. 1990. 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, 2008-25.

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, Ph.D.
Lecturer in Poetry
A.B., Harvard-Radcliffe College, 1991; M.F.A., Bennington College, 2000; M.A., Brandeis University, 2018. Caltech, 2018-21; 2022, 2023.

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.
William L. Valentine Professor of Applied Physics and Electrical Engineering
B.S., Caltech, 2004; M.S., Stanford University, 2009; Ph.D., 2009. Visiting Associate, Caltech, 2011-12; Assistant Professor, 2012-18; Professor, 2018-23; Valentine Professor, 2023-.

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.

Daniel R Faulkner, Ph.D.
Visiting Associate in Environmental Science and Engineering
B.S., University of Leeds, 1992; Ph.D., University of Manchester, 1997. Caltech, 2016; 2018; 2022.

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; 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, Center for Autonomous Systems and Technologies, 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, 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, Caltech, 1975-81; Associate Professor, 1981-85; Professor, 1986-2000; McCollum Professor, 2000-04; McCollum-Corcoran Professor, 2004-; Acting Executive Officer, 1996; Executive Officer, 1997, 2004-13.

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

Stephen J Forman, Ph.D.
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, Ph.D.
Visiting Associate in Chemistry
M.S., University of Pisa, 1983. First Researcher, Instituto per i Processi Chimico-Fisici, 1984-. Caltech, 2003-04; 2012-23.

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- 25.

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, 1988-97; Master, Student Houses, 1997-2002.

Cary D Frydman, Ph.D.
Visiting Associate in Economics
B.A., Northwestern University, 2006; M.S., Caltech, 2009; Ph.D., 2012. Caltech, 2013-15; 2023.

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, 2017-23.

James (Jim) Fuller, Ph.D.
Professor of Theoretical Astrophysics
B.A., Whitman College, 2008; M.S., Cornell University, 2011; Ph.D., 2014. Visiting Associate, Caltech 2017; Assistant Professor, 2017-23; Professor, 2023-.

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, 1997-2013; Rawn Professor, 2013-.

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. Assistant Professor, Caltech, 2017-; HMRI Investigator, 2021-; Willens Scholar, 2021-.

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

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; 2018-25.

Stefano Gattei, Ph.D.
Visiting Associate in History
B.A., University of Milan, 2003; M.A., 2003; Ph.D., University of Bristol, 2004. Caltech, 2016-18; 2022.

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-.

Glen A George, M.S.
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-.

Alireza Ghaffari, M.S.
Lecturer in Applied Physics and Materials Science, Lab Administrator for the Micro/Nano Center
B.S., California State University, 1986; M.S., California Institute of Technology, 2008. Lecturer, 2005-09; 2010-23.

Morteza (Mory) Gharib, Ph.D.
Hans W. Liepmann Professor of Aeronautics and Medical 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, 1992-2002, 2006-13; Liepmann Professor, 2002-; Booth-Kresa Leadership Chair, 2018-; Director, Linde Institute, 2014-15; Vice Provost, 2010-16; Director, Graduate Aerospace Laboratories, 2015-; Director, Center for Autonomous Systems and Technologies, 2017-.

Seyed Mohammadreza Ghodsi, Ph.D.
Lecturer in Medical Engineering
B.S., Sharif University, 2011; M.S., Illinois Institute of Technology, 2014; Ph.D., University of Illinois, 2019. Caltech, 2023.

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; Assistant Professor, 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, 1997-07; Professor, 2007-18; Kenan Professor, 2018-; Dean, Undergraduate Students, 2016-20; Davis Leadership Chair, 2020-; 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; William H. Hurt Scholar
Diplom, National Technical University of Athens, 2010; Ph.D., University of California, Berkeley, 2016. Visiting Associate, Caltech, 2022; Assistant Professor, 2023-; Hurt Scholar, 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-.

Vera Gluscevic, Ph.D.
Visiting Associate in Theoretical Astrophysics
M.S., University of Belgrade, 2007; Ph.D., California Institute of Technology, 2013. Caltech 2023.

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, 1964-66; Noyes Research Instructor, 1966-67; Assistant Professor, 1967-71; Associate Professor, 1971-74; Professor, 1974-84; Ferkel Professor, 1984-.

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, Caltech, 1966-69; Professor, 1969-81; DuBridge Professor, 1981-2002; DuBridge Professor, Emeritus, 2002-; Acting Division Chair, 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, Caltech, 1966-67; Assistant Professor, 1967-71; Associate Professor, 1971-76; 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-.

Frederic Gosselin, Ph.D.
Visiting Associate in Psychology
B.A., University of Ottawa, 1993; M.Sc., University of Montreal, 1996; Ph.D., University of Glasgow, 2000. Associate Professor, University of Montreal, 2002-. Caltech, 2007-08; 2010; 2012; 2023.

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.
Lois and Victor Troendle Professor of Neuroscience and Biological Engineering; Director, Center for Molecular and Cellular Neuroscience
B.S., Caltech, 2005; Ph.D., Stanford University, 2010. Visiting Associate, Caltech, 2012; Assistant Professor, 2012-18; Professor, 2018-23; Troendle Professor, 2023-; HMRI Investigator, 2015-21; Director, Center for Molecular and Cellular Neuroscience, 2017-.

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, Caltech, 1965; Professor, 1966-81; Kenan Professor, 1976-81; Beckman Professor, 1981-; Division Chair, 1978-84; Director, Beckman Institute, 1986-2001; Founding Director, Beckman Institute, 2001-.

Sheldon Green, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., University of Toronto, 1984; M.S., California Institute of Technology, 1985; Ph.D., 1988. Caltech, 2022.

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., 2005. Assistant Professor, Caltech, 2007-13; Professor, 2013-19; Mettler Professor, 2019-; Fletcher Jones Foundation Director, Kavli Nanoscience Institute, 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, 2017-26.

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; Clarence R. Allen Leadership Chair, Seismological Laboratory; 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, Seismological Laboratory, 2009-; Director, Schmidt Academy for Software Engineering, 2019-; Allen Leadership Chair, 2023-.

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, Space-Based Solar Power Project, 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, 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
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-.

Stephanie E Hampton, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.A., University of Kansas, 1996; M.S., University of Nevada, 1996; Ph.D., Dartmouth College, 2001. Caltech, 2023-26.

Mehmet S (Selim) Hanay, Ph.D.
Visiting Associate in Physics
B.S., Sabanci University, 2003; Ph.D., California Institute of Technology, 2011. Caltech, 2014; 2015-17, 2022-23.

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. Millikan Research Fellow, Caltech, 1993-95; Assistant Professor, 1995-2001; 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, 2003-08; Professor, 2008-13; Binder/Amgen Professor, 2013-16; Bohn Professor, 2016-; Executive Officer, 2008-15; Associate Director, Information Science and Technology, 2010-12.

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, Emeritus
M.S., University of Trondheim (Norway), 1974; M.A., Columbia University, 1978; M. Phil., 1980; Ph.D., 1981. Research Fellow, 1989-92; Senior Research Associate, 1992-2014, Research Professor, 2014-23; Research Professor Emeritus, 2023-.

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-.

Chuan He, Ph.D.
Moore Distinguished Scholar
B.A., University of Science and Technology of China, 1994; Ph.D., Massachusetts Institute of Technology, 2000. Caltech, 2022.

Thomas H Heaton, Ph.D.
Professor of Engineering Seismology, Emeritus
B.S., Indiana University, 1972; Ph.D., Caltech, 1978. Visiting Associate, Caltech, 1980-91; Faculty Associate, 1991-95; Lecturer, 1993-95; 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, Lecturer 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, 2021-24.

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.

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., 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.
Mary and Charles Ferkel 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 2016-23; Ferkel Professor, 2023-; HMRI Investigator, 2015-21.

Philip T Hoffman, Ph.D.
Rea A. and Lela G. Axline Professor of Business Economics and History, Emeritus
A.B., Harvard College, 1969; M.A., University of California, 1971; Ph.D., Yale University, 1979. Lecturer, Caltech, 1980-81; Instructor, 1981-82; Assistant Professor, 1982-84; Associate Professor, 1984-95; Professor, 1995-2003; Rosenberg Professor, 2003-08; Axline Professor, 2008-22; Axline Professor, Emeritus, 2023-; Executive Officer, 1995-2000.

Franca Karoline Olga (Franca) Hoffmann, Ph.D.
Assistant Professor of Computing and Mathematical Sciences
B.S., Imperial College London, 2010; M.S., 2013; Ph.D., University of Cambridge, 2017. Instructor, Caltech, 2017-20; Visiting Associate, 2020-22; Assistant Professor, 2022-.

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, 1986-96; Irvine Professor, 1996-16; Wu Professor, 2016-18; Chen Professor, 2018-; Executive Officer, 1996-2002; Dean, Graduate Studies, 2002-09.

Amy E Hofmann, Ph.D.
Visiting Associate in Geochemistry
B.A., Franklin and Marshall College; M.S., California Institute of Technology, 2008, Ph.D., 2010. Caltech, 2022-24.

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, 2011-23.

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-.

Elizabeth J (Betty) Hong, Ph.D.
Professor of Neuroscience; Chen Scholar
B.S., Caltech, 2002; Ph.D., Harvard University, 2009. Visiting Associate, Caltech, 2014-15; Assistant Professor, 2015-23; Boothe Luce Assistant Professor, 2015-21; Professor, 2023-; Chen Scholar, 2021-.

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
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, 2019-22.

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, Caltech, 1993-98; Professor, 1998-2000, 04-; Powell Professor, 2004-; Executive Officer, 2000-06.

Melissa (El) Hovik, M.S.
Teaching Assistant Professor of Computing and Mathematical Sciences
B.S., University of Washington, 2018; M.S., 2020. Caltech, 2020-23.

Andrew W Howard, Ph.D.
Professor of Astronomy; Executive Officer for Astronomy
B.S., Massachusetts Institute of Technology, 1998; M.A., Harvard University, 2001; Ph.D., 2006. Professor, Caltech, 2016-; Executive Officer, 2023-.

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; 2023.

David Hsieh, Ph.D.
Donald A. Glaser Professor of Physics; Executive Officer for Physics
B.S., Stanford University, 2003; Ph.D., Princeton University, 2009. Assistant Professor, Caltech, 2012-18; Professor, 2018-22; Glaser Professor, 2022-; Executive Officer, 2023-.

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.

Yongxi (Chelsea) Hu, Ph.D.
Visiting Associate in Electrical Engineering
B.S., University of California (Los Angeles), 2013; M.S., Cornell University, 2015; Ph.D., 2018. Caltech, 2023.

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, 2001-11; Kenan Professor, 2012-13; Hayman Professor, 2013-; Executive Officer, 2002-07; 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. Professor, 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-.

Jozsef Illy, Ph.D.
Visiting Associate in History
Ph.D., Szeged University and Hungarian Academy of Sciences, 1982. Contributing Editor of Collected Papers of Albert Einstein, Princeton University Press, 1991-; Senior Research Associate, Retired, Hungarian Academy of Science (Institute of Isotopes) 1993-. Caltech, 2000-14; 2018-20, 2023-25.

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, 1987-94.

Philip (Phil) Isett, Ph.D.
Professor of Mathematics
B.S., University of Maryland, 2008; Ph.D., Princeton University, 2013. Assistant Professor, Caltech, 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 for Molecular Engineering, 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, Caltech, 2007-09; Assistant Professor, 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. Professor, Caltech, 2020-.

Jennifer A Jahner, Ph.D.
Professor of English; Dean of Undergraduate Students
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-; Dean, Undergraduate Students, 2023-.

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. Assistant Professor, Caltech, 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, 1965; Assistant Professor, 1966-68; Associate Professor, 1968-72; Professor, 1972-2002; 2004-07; Professor, Emeritus, 2002-04; 2007-; Executive Officer, 1975-80; Division Chair, 1985-89; Vice President and Provost, 1989-95; Acting Vice President, 1995; 1998-99; Provost, 2004-07.

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, 1977-80; Associate Professor, 1980-84; Professor, 1984-89; Mettler Professor, 1989-2019; Mettler Professor, Emeritus, 2019-.

Emma B (Bennett) Jones, Ph.D.
Postdoctoral Instructor in American History
B.F.A., School of the Art Institute of Chicago, 2012; M.A., University of Florida, 2014; Ph.D., Northwestern University, 2021. Caltech, 2023-25.

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, 1984-2023.

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, 2001-10; Professor, 2010-21; Professor, 2021-; Master, Student Houses, 2002-09; Executive Officer, 2014-18.

Susan Juster, Ph.D.
Visiting Associate in History
B.A., Brown University, 1983; Ph.D., University of Michigan, 1990. Caltech, 2023-24.

Richard Kalantar Ohanian, M.S.
Lecturer in Electrical Engineering
B.S., California Institute of Technology, 2005; M.S., 2007. Caltech, 2019-23.

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; Anthony Professor, 2012-.

Smruthi Karthikeyan, Ph.D.
Gordon and Carol Treweek 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. Visiting Associate, Caltech, 2022; Treweek Assistant Professor, 2023-; Hurt Scholar, 2023-.

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, 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, 2013-16; International Business Machines, 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, 1994-97.

Benjamin Kellenberger, Ph.D.
Lecturer in Electrical Engineering
B.S., University of Zurich, 2014; M.S., 2014; Ph.D., Wageningen University, 2020. Caltech, 2022.

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, 1986-2001; Koepfli Professor, Emeritus, 2001-; Executive Officer, 1978-81.

Arash Kheradvar, Ph.D.
Visiting Associate in Aerospace
M.D., Tehran University of Medical Sciences, 2000; Ph.D., California Institute of Technology, 2006. Caltech, 2023-24.

Ali Khoshnan, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.A., California State University, Los Angeles, 1984; M.S., 1988; Ph.D., University of Texas Health Sciences Center, San Antonio, 1995. Caltech, 2002-09; 2022-24.

Farbod Khoshnoud, Ph.D.
Visiting Associate in Aerospace
B.S., Azad University, 1998; M.S., 2001; Ph.D., Brunel University London, 2005. Caltech, 2020-24.

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, Students, 1992-96; Dean, Graduate Studies, 2000-02; Dean, Undergraduate Students, 2011-14.

Hugh I Kim, Ph.D.
Visiting Associate in Chemistry
B.S., University of California, Berkeley, 2003. Ph.D., California Institute of Technology, 2008. Caltech 2003-28.

Hyungjun Kim, Ph.D.
Visiting Associate in Chemistry
B.S., Korea Advanced Institute of Science and Technology, 2004; Ph.D., California Institute of Technology, 2009. Caltech, 2022-27.

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 R King, Ph.D.
Visiting Associate in Applied Physics
B.S., Stanford University, 1985; M.S., 1987; Ph.D., 1990. Caltech, 2008-10, 2023.

Richard E Kipling, M.A.
Lecturer in Journalism
B.A., University of California (Santa Barbara), 1966; M.A., 1968. Caltech, 2008; 2009; 2011; 2012; 2013-14; 2016-20; 2022-23.

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 2022-25.

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, 2022-2024.

Dorit Kliemann, Ph.D.
Visiting Associate in Cognitive Neuroscience
M.S., Freie Universitat Berlin, 2008; Ph.D., 2013. Caltech, 2020-21; 2022-26.

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, 1963-65; Assistant Professor, 1965-69; Associate Professor, 1969-78; Professor, 1978-2001; von Karman Professor, 2001-04; 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-.

Justin R Koch, B.S.
Lecturer in Mechanical and Civil Engineering
B.S., California Institute of Technology, 2015. Caltech, 2023.

Alwin Köhler, Ph.D.
Moore Distinguished Scholar
Ph.D., Harvard University, 2000. Caltech, 2023-24.

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-.

Michael Kolios, Ph.D.
Visiting Associate in Chemical Engineering
B.S., University of Waterloo, 1991; M.S., University of Toronto, 1998; Ph.D., 1998. Caltech, 2022-23.

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, 2022-23.

Diana L Kormos-Buchwald, Ph.D.
Robert M. Abbey Professor of History; Director and General Editor, The Einstein Papers Project
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, 2005-17; 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, 2014-20; Professor, 2020-.

J M 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, 1979-2013, 2018-20; Kenan Professor, 2013-18; Professor, 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, 2005-24.

Prakash Kulkarni, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., Karnatak University, 1976; Ph.D., Mangalore University, 1983. Caltech 2022-25.

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, Caltech, 1985-87; Assistant Professor, 1987-90; Associate Professor, 1990-92; Professor, 1992-2001; MacArthur Professor, 2001-17; Hale Professor, 2017-; Executive Officer, 1997-2000; Director, 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-.

Takashi Kurumaji, Ph.D.
Visiting Associate in Physics
B.S., University of Tokyo, 2010; M.S., 2012; Ph.D., 2014. Caltech, Visiting Associate, 2022-23.

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, Caltech, 1969-76; Associate Professor, 1977-88; Professor, 1988-2007; Professor, Emeritus, 2007-.

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, 2006-25.

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-.

Naomi R Lamoreaux, Ph.D.
Moore Distinguished Scholar
B.A., State University of New York, 1972; M.A., John Hopkins University, 1976; Ph.D., 1979. Caltech, 2023.

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, 2020-24.

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, Caltech, 2002-08; Associate Professor, 2008-10; Professor, 2010-19; Hanson Professor, 2019-.

Vincent Lavallo, Ph.D.
Visiting Associate in Chemistry
B.S., University of California (Riverside), 2005; Ph.D., 2008. Caltech, 2023-2028.

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, 2023.

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, 1989-92; Division Chair, 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, 2013-26.

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, 2018-23.

Jake H Lee, M.S.
Lecturer in Computing and Mathematical Sciences
B.S., Columbia University, 2019; M.S., 2020. Caltech, 2023.

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, 2021-25.

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, 2000-05; 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, Ph.D.
Lecturer in Creative Writing
B.A., Oberlin College, 2002; M.F.A., University of Iowa, 2006; Caltech, 2021; 2022; 2023.

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, Caltech, 2022-; Vice President and Director, Jet Propulsion Laboratory, 2022-.

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.

Ines Levin Fiorelli, Ph.D.
Visiting Associate in Political Science
B.A., Universidad ORT, Uruguay, 2004. Ph.D., California Institute of Technology, 2012. Caltech, 2023.

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, 2009-24.

Dmitri Levitin, Ph.D.
Visiting Associate in the Humanities
B.A., University of Cambridge, 2007; M.Phil., 2008; Ph.D., 2011. Caltech, 2022-23.

Daniel Lewis, Ph.D.
Lecturer in History
B.A, University of Redlands, 1981; M.A., University of California (Riverside), 1988, Ph.D., 1997. Caltech, 2018-23.

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-.

Kenneth G Libbrecht, Ph.D.
Professor of Physics
B.S., Caltech, 1980; Ph.D., Princeton University, 1984. Visiting Associate, Caltech, 1984; Assistant Professor, 1984-89; Associate Professor, 1989-95; Professor, 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, 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; 2014-23.

Chong Liu, Ph.D.
Visiting Associate in Biology and Biological Engineering
B.S., Fudan University, China, 2008; Ph.D., University of California Berkeley, 2013. Caltech, 2023.

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, 2017-24.

Yang Liu, Ph.D.
Visiting Associate in Geochemistry
B.S., Chengdu University of Technology, 1995; M.S., University of Michigan, 1998; Ph.D., 2003. Lecturer, 2015. Caltech, 2013-25.

Maya Livio, Ph.D.
Visiting Associate in Visual Culture
B.A., University of Maryland (College Park), 2007; M.A., University of Amsterdam, 2013; Ph.D., University of Colorado (Boulder), 2021. Lecturer, 2023; Caltech, 2023.

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. Assistant Professor, 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, Students, 1984-88; Vice President, Student Affairs, 1989-98; Acting Vice President, 2002; Executive Officer, 2003-06.

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-.

Becky Y Lu, Ph.D.
Lecturer in Music
B.A., Yale University, 2005; M.Phil., University of Oxford, 2014; Ph.D., Cornell University, 2021. Caltech, 2022-23.

Wenjia Luo, Ph.D.
Visiting Associate in Chemistry
B.S., Tsinghua University, 2007; M.S., 2010. Ph.D., The Ohio State University, 2015. Caltech, 2023-24.

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, 2015-24.

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, M.D.
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, Caltech, 1961-62; Associate Professor, 1962-68; Professor, 1968-2003; Professor, Emeritus, 2003-.

Lukas Mandrake, Ph.D.
Lecturer in Computing and Mathematical Sciences
B.S., University of Arizona, 1994; M.S., University of California (Los Angeles), 1996; Ph.D., 2002. Caltech, 2023.

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.
Taussky-Todd-Lonergan 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, 2010-23; Taussky-Todd-Lonergan Professor, 2023-; 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, 2019-23.

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-.

David Maresca, Ph.D.
Visiting Associate in Chemical Engineering
M.S., Paris Diderot University, 2007; Ph.D., Erasmus University, 2013. Caltech, 2022.

Eric R Marinez, Ph.D.
Visiting Associate in Chemistry
B.S., California State University, Los Angeles, 1991; M.S., 1995; Ph.D., University of Southern California, 1999. Caltech, 2023.

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.
Edward C. Stone Professor of Physics; Director, Caltech Optical Observatories
B.A., Oberlin College, 1978; Ph.D., University of California, 1986. Professor, Caltech, 1993-23; Stone Professor, 2023-; Director, Caltech Optical Observatories, 2023-; Executive Officer, 2022-23.

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; 2016-24.

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, 2021-24.

Dimitri P Mawet, Ph.D.
David Morrisroe Professor of Astronomy; Jet Propulsion Laboratory Senior Research Scientist
Dipl., University of Liege, 2002; M.Phil., 2004; Ph.D., 2006. Associate Professor, Caltech, 2015-19; Professor, 2019-22; Morrisroe Professor, 2022-; 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, 2004-07; Vice Provost, 2007-10; Division Chair, 2010-20; Bowes Jr. Leadership Chair, 2012-20.

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.

Manuel Mazo Espinosa, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
M.S., Royal Institute of Technology, 2003; M.S., University of California (Los Angeles), 2007; Ph.D. 2010. Caltech, 2023.

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-.

Peter J McAniff, MBA
Lecturer in Economics
B.A., College of the Holy Cross, 1989; MBA, University of California (Los Angeles), 1994; J.D., 1994. Caltech, 2020; 2021; 2022:2023.

Lee P McCuller, Ph.D.
Assistant Professor of Physics
B.S., University of Texas, Austin, 2010; Ph.D., University of Chicago, 2015. Visiting Associate, Caltech, 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 van Karman Professor of Aeronautics
B.A., University of Cambridge, 1995; M.Eng.,1996; M.A., Princeton University, 1999; Ph.D., 2003. Assistant Professor, Caltech, 2006-11; Professor, 2011-17; von Karman Professor, 2017-; Associate Director, Graduate Aerospace Laboratory, 2012-17; Division Deputy Chair, 2020-22.

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, Caltech, 1958-59; Assistant Professor, 1959-62; Associate Professor, 1962-67; Professor, 1967-80; Moore Professor, 1980-99; 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, Caltech, 1981-83; Visiting Associate, 1984-85; Assistant Professor, 1985-89; Associate Professor, 1989-94; Professor, 1994-2006; Jones Professor, 2009-; Executive Officer, 1994-98; Associate Provost, 2000-04. Associate Director, Graduate Aerospace Laboratories, 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, 2014-2020; Caltech, 2020-.

Jeffrey M (Jeff) Mendez, Ph.D.
Lecturer in Chemistry
B.S., California Institute of Technology, 1999; Ph.D., 2008. Caltech, 2013-23.

Trevor C Merrill, Ph.D.
Lecturer in French
B.A., Yale University, 2000; Ph.D., University of California, Los Angeles, 2011. Caltech, 2012-13; 2014-23.

Jerome C Mertz, Ph.D.
Visiting Associate in Electrical Engineering
A.B., Princeton University, 1984; Ph.D., University of California (Santa Barbara), 1991. Caltech, 2023.

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, 2021-23.

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; Division Chair, 2000-10.

Daniela U Mier, Ph.D.
Visiting Associate in Biology and Biological Engineering
M.A., University of Giessen, 2005; Ph.D., 2010. Caltech, 2023.

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.

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

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, Caltech Brain Imaging Center, 2021-.

Alessandro Morbidelli, Ph.D.
Visiting Professor in Planetary Science
Ph.D., University of Namur, 1991. Caltech, 2023.

Florian Mormann, Ph.D.
Visiting Associate in Neuroscience
Ph.D., University of Bonn, 2003. Caltech, 2019: 2023.

Sergey Morozov, Ph.D.
Visiting Associate in Chemistry
Ph.D., South Ural State University, 1998. Caltech, 2020-25.

Elias R Most, Ph.D.
Assistant Professor of Theoretical Astrophysics
B.S., Georg-August Universitat Gottingen, 2013; M.S., Johann-Wolfgang von Goethe University (Frankfurt), 2017; Ph.D., 2020. Visiting Associate, Caltech, 2022-23; Assistant Professor, 2023-.

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

Liad Mudrik-Denan, Ph.D.
Visiting Associate in Psychology
M.A., Tel Aviv University, 2006; Ph.D., 2011; Ph.D., 2014. Caltech, 2015; 2022-23.

Thomas Mueller, Ph.D.
Visiting Associate in Environmental Science and Engineering
M.Sc., University of Freiburg, 1997; Ph.D., 2001; University of Bonn, habil., 2008. Caltech, 2022-23.

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 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. Assistant Professor, Caltech, 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, Caltech, 1991-97; Associate Professor, 1997-2000; Professor, 2000-06; Everhart Professor, 2006-; Division Chair, 2000-05, 2020-; Interim Division Chair, 2008-09; Bowes Jr. Leadership Chair, 2020-; Director, Information Science and Technology, 2006-09.

Hillary Mushkin, MFA
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-.

Suraj Muthiramalil Ravindran, Ph.D.
Visiting Associate in Aerospace
B. Tech., University of Kerala, 2008; M. Tech., Indian Institute of Technology, 2011; Ph.D., University of South Carolina, 2018. Caltech, 2023-26.

Stevan Nadj-Perge, Ph.D.
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, 2016-23; Professor, 2023-.

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., Caltech, 2013. Visiting Associate, Caltech, 2021; Professor, 2021-.

Dianne K Newman, Ph.D.
Gordon M. Binder/Amgen Professor of Biology and Geobiology
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; Binder/Amgen Professor, 2016-; Davis Leadership Chair, 2017-20; HHMI Investigator, 2005-16; Executive Officer, 2017-23.

Harvey B Newman, Sc.D., D.h.c.
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, 2022-; Goldberger Professor, 2017-22.

Hien T Nguyen, Ph.D.
Visiting Associate, Lecturer 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-.

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. Assistant Professor, Caltech, 2020-; Hurt Scholar, 2021-.

Axel Niemeyer, Ph.D.
Assistant Professor of Economics
B.Sc., University of Mannheim, 2017; M.Sc., University of Bonn, 2019; Ph.D., 2023. Assistant Professor, Caltech, 2023-.

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, 2020-23.

Jonathan Nourse, Ph.D.
Lecturer in Geology
B.S., Colorado School of Mines, 1983; M.S., California Institute of Technology, 1985; Ph.D., 1989. Caltech, 2023.

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

Ignacio Obeso Martin, Ph.D.
Visiting Associate in Cognitive Neuroscience
B.S., University of Deusto, 2001; Ph.D., University College London, 2012. Caltech 2023.

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, 2009-; 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, Walter Burke Institute for Theoretical Physics, 2014-.

Yuki Oka, Ph.D.
Professor of Biology; Investigator, Heritage Medical Research Institute
B.A., The University of Tokyo, 2002; Ph.D., 2007. Assistant Professor, Caltech, 2014-20; Professor, 2020-; Chen Scholar, 2019-2022; 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.

Pio Ong, Ph.D.
Lecturer and Postdoctoral Scholar Research Associate in Mechanical and Civil Engineering
B.S., University of California, San Diego, 2012; M.S., 2013; Ph.D., 2022. Caltech 2023.

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, Emeritus
B.S., Massachusetts Institute of Technology, 1964; Ph.D., University of Rochester, 1969. Professor, Caltech, 1987-2009, 2013-23; Harkness Professor, 2009-13; Professor, Emeritus, 2023-; Executive Officer, 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; Irvine Professor, 2016-; Davis Leadership Chair, 2020-; Director, Center for Environmental Microbial Interactions, 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, 1995-2004; 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., Caltech, 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-.

Sharmila Padmanabhan, Ph.D.
Visiting Associate in Electrical Engineering
B.S., University of Mumbai, 2001; University of Massachusetts (Amherst), 2004; Ph.D., Colorado State University, 2009. Caltech, 2022-23.

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, Emeritus
B.A., University of Michigan, 1975; M.A., 1976; Ph.D., Caltech, 1981. Professor, 1986-2002; Flintridge Foundation Professor, 2003-05, 2006-23; Flintridge Foundation Professor, Emeritus, 2023-; Executive Officer, 2001-02.

Anna Pandolfi, Ph.D.
Visiting Associate in Aerospace
M.S., Technical University (Milan), 1984; Ph.D., Universite Paul Verlaine de Metz, 2007. Associate Professor, 2001-. Caltech, 1996-2001; 2005-06; 2008-13.

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 -.

Jason R Parham, Ph.D.
Lecturer in Electrical Engineering
B. S., Pepperdine University, 2012; M.S., Rensselaer Polytechnic Institute, 2015; Ph.D., 2021. Caltech, 2022.

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

Joseph Parker, Ph.D.
Assistant Professor of Biology and Biological Engineering; Chen Scholar
B.S., Imperial College London, 2001; Ph.D., University of Cambridge, 2005. Visiting Associate, Caltech, 2017; Assistant Professor, 2017-; Chen Scholar, 2022-.

Tod A Pascal, Ph.D.
Visiting Associate in Chemistry
B.S., Lincoln University, 2002; Ph.D., California Institute of Technology, 2009. Caltech, 2021-25.

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, 2018-26.

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

Volnei A Pedroni, Ph.D.
Lecturer in Electrical Engineering; Visiting Associate in Electrical Engineering
B.S., Federal University of Rio Grande do Sul, 1975; M.S., Caltech, 1990; Ph.D., 1995. Professor, Federal University of Technology, 1976-. Visiting Professor, 2008; 2011; 2013, 2015-20; Lecturer; 2021-23; Visiting Associate, 2023.

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, 2007-10; Kresa Professor, 2010-; Jet Propulsion Laboratory Senior Research Scientist, 2009-; Co-Director, Space-Based Solar Power Project, 2016-.

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, 2004-2022. Visiting Associate, Medical Engineering, 2013-22.

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, 2000-11; Morris Professor, 2012-.

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.

Bartholomaeus Pieber, Ph.D.
Visiting Associate in Chemistry
B.Sc., Graz University of Technology, 2009; M.Sc., 2011; Ph.D., 2015. Caltech, 2022.

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, Caltech, 2000-06; Associate Professor, 2006-10; Professor, 2010-; Acting Executive Officer, 2007; Executive Officer, 2007-13, 2020-.

George Pigman, Ph.D.
Professor of English
A.B., Harvard College, 1973; M.Phil., Yale University, 1975; Ph.D., 1977; Ph.D., Southern California Psychoanalytic Institute, 1989. Assistant Professor, Caltech, 1977-83; Associate Professor, 1983-93; Professor, 1993-; Executive Officer, 2003-08.

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, Caltech, 1971-87; Harkness Professor, 1987-2013; Hacker Professor, 2013-22; Hacker Professor, Emeritus, 2022-.

Leslie Plunkett
Lecturer in Art-Ceramics
Caltech, 2019-22.

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, 1986-88.

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, 2021-24.

Dov Poznanski, Ph.D.
Visiting Associate in Astronomy
B.S., Tel Aviv University, 2000; Ph.D., 2007. Caltech 2022-24.

Theodore M (Ted) Present, Ph.D.
Lecturer in Geology
B.S., California Institute of Technology, 2011, M.S., 2014, Ph.D., 2018. Caltech, 2022.

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, 2017-.

Glenn Price, Ph.D.
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
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, 2017-23; Associate Director, Advanced Computer Research, 1995-2001; Director, Keck Institute, 2008-23; 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, 2009-17; Professor, 2017-.

Carmie Puckett Robinson, M.D.
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.

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., Imperial College of Science and Technology, University of London, 1974. Visiting Associate, Caltech, 1990; Professor, 1991-2006, von Karman Professor, 2006-17; Goddard Professor, 2017-.

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-.

Zhenpeng Qin, Ph.D.
Visiting Associate in Medical Engineering
B.S., Xi'an Jiaotong University, 2007; Ph.D., University of Minnesota, 2014. Caltech, 2022-23.

Kayleigh Quarterman, Ph.D.
Lecturer in English
B.A., California State University (Long Beach), 2013; M.A., 2016. Ph.D., University of California (Riverside), 2022. Caltech, 2023.

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-.

Eric M Rains, Ph.D.
Professor of Mathematics, Emeritus
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, 2007-23; Professor, Emeritus, 2023-; 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.

Dinakar Ramakrishnan, Ph.D.
Taussky-Todd-Lonergan Professor of Mathematics, Emeritus
Ph.D., Columbia University, 1980. Professor, Caltech, 1988-2007; Taussky-Todd-Lonergan Professor, 2007-22; 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.

Narasimhan Ramarathinam, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B. Tech., Indian Institute of Technology, 1982; M.S., California Institute of Technology, 1983; Ph.D., 1987. Caltech, 2023.

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., Brown University, 1983; Sc.M., 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-; Otis Booth Leadership Chair, 2015-21; Associate Director, Graduate Aerospace Laboratories, 2008-09; Director, Graduate Aerospace Laboratories, 2009-15; Division 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, 1981-2000; Rawn Professor, 2000-13; Robinson Professor, 2013-15; Robinson Professor, Emeritus, 2015-; Director, Owens Valley Radio Observatory, 1981-86, 2007-18; Executive Officer, 1990-92, 2012-13; Director, Chajnantor Observatory, 2006-2011; Jet Propulsion Laboratory Senior Research Scientist, 2006-15.

Umaa D Rebbapragada, Ph.D.
Lecturer in Computing and Mathematical Sciences
B.A., University of California (Berkeley), 1997; Ph.D., Tufts University, 2010. Caltech, 2023.

Vallapu P (V. Prakash) Reddy, Ph.D.
Visiting Associate in Chemistry
Ph.D., Case Western Reserve University, 1986. Caltech 2023-24.

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, 2002-06, 2007-15; Dean, 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, 2005-08; 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, 2011-21.

Anna H Resnick
Lecturer in Chemical Engineering
B.S., California Institute of Technology, 2019. Caltech 2023.

Elon Rimon, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., Technion-Israel Institute of Technology, 1990; M.S., Yale University, 1987; Ph.D., 1995. Senior Lecturer, Technion - Israel Institute of Technology, 1994-. Research Fellow, Caltech, 1992-94; Visiting Associate, 1994-97; 1999-2004; 2008; 2010; 2011; 2012; 2013:2014; 2015; 2016; 2017; 2018; 2019; 2021; 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.

Daniel Rittel, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., Ben-Gurion University of the Negev, 1979; M.S., Hebrew University (Jerusalem), 1983; Ph.D., 1988. Associate Professor, Technion-Israel Institute of Technology, 2000-. Visiting Professor, Caltech, 2000; Clark B. Millikan Visiting Professor, 2006-07; Visiting Associate, 2001-06; 2007-12, 2013, 2016; 2023.

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

Gareth G Roberts, Ph.D.
Visiting Associate in Geology
B.S., University of Durham, 2006; Ph.D., University of Cambridge, 2010. Caltech 2023.

Francesca Rochberg, Ph.D.
Francis Bacon Visiting Professor of History
B.A., University of Pennsylvania, 1975. Ph.D., University of Chicago, 1980. Caltech, 2023.

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, 2019-25.

Jose A Rodriguez, Ph.D.
Visiting Associate in Chemistry
Ph.D., University of California, Los Angeles, 2012. Caltech 2023-28.

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 2019-24.

Alton D (Al) Romig, Ph.D.
Visiting Associate in Applied Physics and Materials Science
Ph.D., Lehigh University, 1979. Caltech, 2013-23.

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, Caltech, 1982-88; Associate Professor, 1988-93; Professor, 1993-2004; von Karman Professor, 2004-; Otis Booth Leadership Chair, 2013-15; Director, Graduate Aerospace Laboratories, 2004-09; Division Chair, 2009-15.

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; 2022-23. Visiting Associate, Caltech, 1998-2023.

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, 1983-86.

Jean-Laurent Rosenthal, Ph.D.
Rea A. and Lela G. Axline Professor of Business Economics; Director, Ronald and Maxine Linde Institute of Economic and Management Sciences
B.A., Reed College, 1984; Ph.D., Caltech, 1988. Professor of Economics, 2006-08; Axline Professor, 2008-; Executive Officer, 2007-13; Division Chair, 2014-22; Linde Leadership Chair, 2016-22; Director, Ronald and Maxine Linde Institute of Economic and Management Sciences, 2022-.

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. Assistant Professor, 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, 1999-2008.

Paul W Rothemund, Ph.D.
Visiting Associate in Computing and Mathematical Sciences, and Computation and Neural Systems
B.S., Caltech, 1994; Ph.D., University of Southern California, 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, 2015-2023; Visiting Associate, Caltech, 2001 2023-25.

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-.

Ira Z Rothstein, Ph.D.
Visiting Associate in Theoretical Physics
Sc.B., Brown University, 1985; M.S., 1987; Ph.D., University of Maryland, 1992. Assistant Professor, Carnegie Mellon University, 1998-. Caltech, 1999-2000; 2010; 2011; 2012; 2013; 2014; 2015; 2016-18; 2019; 2022, 2023.

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, 1996-2011; Abbey Professor, 2011-17; Roshek Professor, 2018-; Director, Kavli Nanoscience Institute, 2004-06; Co-Director, Kavli Nanoscience Institute, 2008-13.

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, M.D.
Visiting Associate in Medical Engineering
B.S., Drew University, 2000; M.A., 2002. M.D., Rutgers New Jersey Medical School, 2006. Caltech, 2021-2025.

Ueli Rutishauser, Ph.D.
Visiting Associate in Biology and Bioengineering
B.S., University of Applied Sciences, Rapperswil, 2003; Ph.D., California Institute of Technology, 2008. Caltech, 2013-21; 2022-25.

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, 1999-2002; Division Chair, 2005-08.

John E Sader, Ph.D.
Research Professor of Aerospace and Applied Physics
B.S., University of New South Wales, 1989; Ph.D., 1993. Visiting Associate, 2009; 2010; 2012-22; 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-.

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, 2006-24.

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, 2023.

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, Student Affairs, 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, 2016-24.

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, Kavli Nanoscience Institute, 2008-11.

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-.

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, Caltech, 1995-98; Associate Professor, 1998-2001; Professor, 2001-13; Hanisch Professor, 2013-; Division Deputy Chair, 2012-15; Acting Director, 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, Kavli Nanoscience Institute, 2013-15.

Daniel M Schwartz, Ph.D.
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, 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, 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.
Professor of Philosophy
B.S., Massachusetts Institute of Technology, 2009; M.St., University of Oxford, 2010; Ph.D., University of Michigan, 2015. Assistant Professor, Caltech, 2018-23; Professor, 2023-.

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, 1974-79; Nohl Professor, 1979-; Executive Officer, 1974-90, 2016-17; Division Chair, 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, 2019-20, Assistant Professor, 2020-; Willens Scholar, 2021-.

Alex L Sessions, Ph.D.
Nico and Marilyn van Wingen 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, 2010-23; van Wingen Professor, 2023-.

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.
Max Delbrück Professor of Chemical Engineering and Medical 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, 2019-23; Delbrück Professor, 2023-; HMRI Investigator, 2015-21; Schlinger Scholar, 2017-18; HHMI Investigator, 2021-.

Sandeep Sharma, Ph.D.
Visiting Associate in Chemistry
B. Tech., Indian Institute of Technology, 2003; Ph.D., Massachusetts Institute of Technology, 2009. Caltech, 2023.

Raymond A Shaw, Ph.D.
Visiting Associate in Environmental Science and Engineering
B.S., Brigham Young University, 1993; Ph.D., Pennsylvania State University, 1998. Caltech, 2022-23.

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, 1999-08; Johnson Professor, 2008-; Davis Leadership Chair, 2018-20; Dean, Graduate Studies, 2009-15; Vice President, 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; 2023.

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-.

Euncheol Shin, Ph.D.
Visiting Associate in Economics
M.S., Yonsei University, 2009; M.S., California Institute of Technology, 2012; Ph.D., 2016. Caltech, 2022-23.

Bikau Shukla, Ph.D.
Visiting Associate in Chemistry
M.S., Tribhuvan University, 1994; Ph.D., The University of Tokyo, 2008. Caltech 2023.

Matthew S (Matt) Shum, Ph.D.
William D. Hacker Professor of Economics
B.A., Columbia University, 1992; Ph.D., Stanford University, 1998. Professor, Caltech, 2008-16; Johnson Professor, 2016-22; Hacker Professor, 2023-.

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, 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-; Division Chair, 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, 2003-07; Professor, 2007-17; Miles Professor, 2017-; Jet Propulsion Laboratory Chief Scientist, 2017-.

Andrew J Sinclair, Ph.D.
Visiting Assistant Professor of Finance
B.S., University of Toronto, 2007; M.Acc., University of Waterloo, 2009; Ph.D., Yale University, 2017. Caltech, 2022-24.

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, 2022-24.

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, 1970-71; Lecturer, 1971-81; Associate Professor, 1982-85; Professor, 1985-92; Professor, Emeritus, 1993-.

Suzanne Smrekar, Ph.D.
Visiting Associate in Geophysics
B.S., 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; Brown Professor, 2015-17; 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 Division Chair, 2010; Division Chair, 2010-14; Kresa Leadership Chair, 2014-15.

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

Yang Song, Ph.D.
Visiting Associate in Electrical Engineering
B.S., Tsinghua University, 2016; M.S., Stanford University, 2020; Ph.D., 2022. Caltech, 2022-23

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. Professor, 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, 2016-24.

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, 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 (Dave) 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-; Division Chair, 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-; Executive Officer, 1989-94; Division Chair, 1994-2004; Acting Provost, 2004; Provost, 2007-17; Larson Provostial Chair, 2013-17; Interim President, 2013-14; Senior Advisor, 2017-19.

Brian M Stoltz, Ph.D.
Victor and Elizabeth Atkins Professor of Chemistry; Investigator, Heritage Medical Research Institute
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-; Division Chair, 1983-88; Vice President, Astronomical Facilities, 1988-90; Vice President and Director, Jet Propulsion Laboratory, 1991-2001; Vice Provost for Special Projects, 2004-22.

Paul B Stovall, A.A.
Lecturer in Mechanical and Civil Engineering; Supervisor, Mechanical Engineering Shop
A.A., Cerritos College, 1992. Caltech, 2020-23.

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, 2021-23.

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, Caltech, 1989-95; Associate Professor, 1995-2000; Professor, 2000-13; Rosen Professor, 2013-; Cherng Leadership Chair, 2017-22; Executive Officer, 2005-08, 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; 2022.

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, 2010-23.

Laura D Taylor, Ph.D.
Postdoctoral Instructor in the Social Sciences
B.A., Washington University, St. Louis, 2004; M.S., University of Queensland, 2008; Ph.D., University of Arizona, 2022. Caltech, 2022-24.

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

Julia Tejada, Ph.D.
Assistant Professor of Geobiology
B.Sc., Universidad Nacional Mayor de San Marcos, 2008; M.Sc. University of Florida, 2015; MA. Columbia University, 2017; M. Phil, 2019; Ph.D., 2020. Visiting Associate,Caltech, 2022; Assistant Professor, 2023-.

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

Andrea Thabet Waldman, Ph.D.
Lecturer in History
B.A., Loyola Marymount University, 1997; M. A. University of California (Santa Barbara), 2005; Ph.D., 2013. Caltech, 2019; 2023.

Andrew F Thompson, Ph.D.
Professor of Environmental Science and Engineering; Director, Ronald and Maxine Linde Center for Global Environmental Science; Executive Officer for 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; Director, Linde Center, 2023-; Executive Officer, 2023-.

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, Caltech, 1966-67; Associate Professor, 1967-70; Professor, 1970-91; 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-; Division Chair, 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, M.A.
Lecturer in Japanese
B.A., Kyoto University of Foreign Studies (Japan), 1974; M.A., University of Southern California, 1979; Ph.D., 1987. Caltech, 1992-.

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-.

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, 2015-23.

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, 2021-24.

Christopher M (Chris) Umans, Ph.D.
Professor of Computer Science; William M. Coughran Jr. Leadership Chair, Department of Computing and Mathematical Sciences; 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-; Division Deputy Chair, 2018-20; Coughran Leadership Chair, 2022-; 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; 2022-23.

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, 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, 2015-24.

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; Freeman Hrabowski Scholar
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-; Hrabowski Scholar, 2023-.

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; 2012-20; Teaching Professor, 2021-25.

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-.

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.

Petr Vogel, Ph.D.
Senior Research Associate 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; Avery Distinguished Service Professor, 1982-2002; Avery Distinguished Service Professor, Emeritus, 2002-; Chief Scientist, Jet Propulsion Laboratory, 1977-78; Division Chair, 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.S. 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; Freeman Hrabowski Scholar
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-; Hrabowski Scholar, 2023-.

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-.

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, 2004-24.

Fabian Walter, Ph.D.
Visiting Associate in Astronomy
M.S., University of New Mexico Albuquerque, 1995; Ph.D., University of Bonn, 1999. Caltech, 2015-.

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, 2022-.

Pai Wang, Ph.D.
Lecturer in Chinese
B.A., Shaanxi Normal University, 2013; M.A., The Chinese University of Hong Kong, 2014; Ph.D., University of California, San Diego, 2022. Caltech, 2022-23.

Yuan Wang, Ph.D.
Visiting Associate in Planetary Science
B.A., Fudan University, 2007; Ph.D., Texas A&M University, 2013. Caltech, 2022-23.

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, Jet Propulsion Laboratory, 2016-21.

Ryan Watkins, Ph.D.
Visiting Associate in Mechanical and Civil Engineering
B.S., Clarkson University, 2009; M.S., University of Michigan, 2012, Ph.D., 2015. Caltech, 2023-25.

Glenn A Waychunas, Ph.D.
Visiting Associate in Geochemistry
B.A., Temple University, 1972; Ph.D., University of California (Los Angeles), 1979. Caltech, 2020-24.

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
A.B., Harvard University, 1978; Ph.D., 1983. Assistant Professor, Caltech, 1988-95; Associate Professor, 1995-99; Professor, 2000-; Executive Officer, 2020-23.

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, Caltech, 1989-95; Associate Professor, 1995-2005; 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, Caltech, 1985-91; Associate Professor, 1991-2006; Professor, 2006-.

Linqing Wen, Ph.D.
Visiting Associate in Physics
B.S., University of Science and Technology of China, 1992; M.S., Pennsylvania State University, 1995; Ph.D., Massachusetts Institute of Technology, 2001. Caltech, 2010-13; 2016-17; 2023.

Xiao-Gang Wen, Ph.D.
Moore Distinguished Scholar
B.S., University of Science and Technology of China, 1982; M.A., Princeton University, 1983; Ph.D., 1987. Moore Distinguished Scholar, Caltech, 2006, 2007, 2023.

Paul O Wennberg, Ph.D.
R. Stanton Avery Professor of Atmospheric Chemistry and Environmental Science and Engineering
B.A., Oberlin College, 1985; Ph.D., Harvard University, 1994. Associate Professor, Caltech, 1998-2001; Professor, 2001-04; Avery Professor, 2004-; Director, Linde Center, 2008-11, 2014-23; Executive Officer, 2012-23; 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; 2016-25.

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, 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, M.S.
University Librarian
B.A., Hendrix College, 1997; MLIS, University of Oklahoma, 1999; M.S., Texas Tech University, 2004. Caltech, 2019-2024.

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, Information Science and Technology, 2015-16; Director, Information Science and Technology, 2016-.

Danielle L Wiggins, Ph.D.
Assistant Professor of History
B.A., Yale University, 2012; Ph.D., Emory University, 2018. Assistant Professor, 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, 2020-25.

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, 2018-23.

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-.

Trenton C (Trent) Wilson
Lecturer in Mechanical and Civil Engineering
Caltech, 2022-23.

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, 2006-10; Professor, 2010-.

Jay R Winkler, Ph.D.
Faculty Associate in Chemistry; Lecturer in Chemistry; MBI & Director, Laser Resource Center
B.S., Stanford University, 1978; Ph.D., Caltech, 1984. Lecturer, 2002; 2004-05; 2009-10; 2013; 2014; 2015; 2016; 2017; 2018; 2021; 2022; 2023. 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; 2023.

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, Caltech, 1982-84; Associate Professor, 1984-85; Professor, 1985-92; McCone Professor, 1992-.

Matthew D Wodrich, Ph.D.
Visiting Associate in Chemistry
B.S., University of Arizona, 2002; Ph.D., University of Georgia, 2006. Caltech, 2022.

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-; Director, Beckman Institute, 2001-11; Davis Leadership Chair, Merkin Institute, 2019-; Director, Merkin Institute, 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; 2023.

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, 2001-10; Koepfli Professor, Emeritus, 2010-; Executive Officer, 1992-95; 2000-03.

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, 1952-55; Assistant Professor, 1955-57; Associate Professor, 1957-61; Professor, 1961-66; Professor, 1966-96; Professor, Emeritus, 1996-.

Peter J Wyllie, Ph.D., D.Sc.h.c.
Professor of Geology, Emeritus
B.Sc., Saint Andrews University (Scotland), 1952; B.Sc., 1955; Ph.D., 1958; D.Sc.h.c., Saint Andrews University. Professor, Caltech, 1983-99; Professor, Emeritus, 1999-; Division Chair, 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-.

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

Changhuei Yang, Ph.D.
Thomas G. Myers Professor of Electrical Engineering, Bioengineering, and Medical Engineering; Investigator, Heritage Medical Research Institute
B.S., Massachusetts Institute of Technology, 1997, 2002; M.S., 1997; Ph.D., 2001. Assistant Professor, Caltech, 2003-09; 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, 1966-79; Myers Professor, 1979-96; Summerfield Professor, 1996-.

Linda Ye, Ph.D.
Assistant Professor of Physics
B.S., Tsinghua University, 2012; M.E., University of Tokyo, 2014; Ph.D., Massachusetts Institute of Technology, 2020. Visiting Associate, Caltech 2022-23, Assistant Professor, 2023-.

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.

Jiangyue (Julia Jiangyue) Yu, Ph.D.
Lecturer in Chinese
B.A., Peking University, 2009; M.A., 2012; Ph.D., University of Sorbonne, 2018. Caltech, 2021-23.

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
Ph.D., University of Warsaw, 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., Caltech, 2013. Assistant Professor, Caltech, 2015-22; Professor, 2022-.

Shan Zhong, Ph.D.
Visiting Associate in Aerospace
B.E., Tsinghua University (China), 1985; M.E., 1988; Ph.D., University of Cambridge, 1994. Caltech, 2022.

Yue Zhou, Ph.D.
Visiting Associate in Chemistry
Ph.D., Pennsylvania State University, 2015. Caltech, 2022-23.

Laiyin Zhu, Ph.D.
Visiting Associate in Planetary Science
B.S., Nanjing Forestry University, 2004; M.S., Beijing Normal University, 2008; Ph.D., Texas A&M University, 2013. Caltech, 2022-2023.

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-.

Luigi Zingales, Ph.D.
Moore Distinguished Scholar
B.A., Universita Bocconi Milano, 1987; Ph.D., Massachusetts Institute of Technology, 1992. Caltech, 2023.

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
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, Caltech Optical Observatories, 2018-23.

Konstantin M Zuev, Ph.D.
Teaching 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, 2020-22; Caltech, 2022-.

Cinzia Zuffada, Ph.D.
Visiting Associate in Geophysics
Ph.D., University of Pavia, 1979. Caltech 2023-24.

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