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Board of Trustees

Names in bold indicate the Chair or Co-Chair of the committee
Name Institution Office Start Date End Date
Alejandro Adem University of British Columbia Ex-officio Trustee (SAC Co-Chair) Mar 01, 2003 Jun 30, 2007
Roy Adler Oct 01, 1986 Apr 01, 1995
Ian Agol University of California, Berkeley Mar 01, 2017 Feb 28, 2025
Fred Andrews Dec 01, 1979 Sep 30, 1983
Henry Antosiewicz University of Southern California Dec 01, 1982 Apr 01, 1993
Henry Antosiewicz University of Southern California Treasurer (4/1/96 - 4/1/98) Apr 01, 1996 Apr 01, 1998
Michael Aschbacher California Institute of Technology Oct 03, 1981 Sep 30, 1985
Michael Atiyah Dec 01, 1979 Aug 30, 1983
Richard Atkinson Mar 06, 2004 Jan 19, 2005
David Austin Grand Valley State University Ex officio, BPAC Co-Chair Apr 01, 2023 Mar 31, 2025
Sheldon Axler San Francisco State University Ex-officio Trustee (CAS Chair) Mar 04, 2005 Mar 31, 2008
Edward Baker Private Investor Apr 01, 2001 Apr 01, 2005
Edward Baker Private Investor Secretary of the Board (3/1/08-3/31/2011) Mar 05, 2005 Mar 01, 2009
Edward Baker Private Investor Board Chair (4/1/19-2/06/23) Mar 02, 2009 Feb 28, 2026
Deborah Ball University of Michigan Feb 13, 2003 Mar 01, 2007
Deborah Ball University of Michigan Mar 01, 2007 Mar 01, 2011
Deborah Ball University of Michigan Mar 05, 2011 Feb 28, 2025
Hélène Barcelo MSRI / Simons Laufer Mathematical Sciences Institute (SLMath) Ex-officio, Deputy Director (unlimited term); Acting Director (8/1/18-7/31/19) Jul 01, 2008 Jul 31, 2025
Hyman Bass University of Michigan Chair (10/3/81 - 9/30/85) Dec 01, 1979 Sep 30, 1986
Herbert Bear Dec 01, 1979 Sep 19, 1991
Georgia Benkart University of Wisconsin-Madison Mar 05, 2011 Apr 29, 2022
Alfred Berkeley III Dec 05, 2001 Mar 01, 2006
Elwyn Berlekamp Elwyn & Jennifer Berlekamp Foundation Chair (4/1/94 - 10/30/97) Apr 01, 1994 Apr 01, 1998
Elwyn Berlekamp Elwyn & Jennifer Berlekamp Foundation Mar 06, 2004 Mar 01, 2008
Elwyn Berlekamp Elwyn & Jennifer Berlekamp Foundation Mar 02, 2008 Mar 01, 2012
Elwyn Berlekamp Elwyn & Jennifer Berlekamp Foundation Mar 01, 2012 Apr 09, 2019
Andrea Bertozzi University of California, Los Angeles Jan 03, 2006 Mar 01, 2010
Roman Bezrukavnikov Massachusetts Institute of Technology Ex officio, SAC Co-Chair Jul 01, 2022 Jun 30, 2025
Vineer Bhansali LongTail Alpha Mar 01, 2021 Feb 28, 2025
R. Bing Dec 01, 1979 Mar 01, 1980
R. Bing Oct 03, 1981 Sep 30, 1984
Steven Bleiler Portland State University Apr 01, 1991 Apr 01, 1995
Lenore Blum University of California, Berkeley; Carnegie Mellon University Ex-Officio (Dep Dir) Sep 01, 1992 Jun 30, 1997
Raoul Bott Oct 01, 1989 Mar 01, 1994
David Boyd University of British Columbia Oct 01, 1986 Sep 30, 1987
Sylvia Bozeman Spelman College Ex-officio Trustee, HRAC Co-Chair Apr 01, 2009 Mar 31, 2011
Richard Brualdi Apr 01, 1999 Apr 01, 2003
Robert Bryant Duke University Chair (4/1/01 - 4/1/04) Apr 01, 1999 Apr 01, 2003
Robert Bryant Duke University Chair (4/1/01 - 4/1/04) Apr 01, 2003 Apr 01, 2004
Robert Bryant Duke University Ex-officio Trustee (Director) Aug 01, 2007 Jul 31, 2013
Ron Buckmire Occidental College Ex officio, BPAC Co-Chair Apr 01, 2021 Mar 31, 2023
Joe Buhler University of Minnesota Ex-officio (DD) Dec 21, 2000 Jul 31, 2001
Joe Buhler University of Minnesota Ex-officio (DD) Aug 01, 1999 Jul 31, 2000
Donald Burkholder Dec 01, 1979 Sep 30, 1985
James Cannon Vice Chair (4/1/95 - 4/1/98) Apr 01, 1994 Apr 01, 1998
William Casselman University of British Columbia Oct 01, 1989 Sep 30, 1990
Johnson Cha Apr 01, 2000 Apr 01, 2004
Sun-Yung Chang Princeton University Mar 06, 2010 Feb 28, 2014
Ruth Charney Brandeis University Mar 03, 2007 Mar 01, 2011
Ruth Charney Brandeis University Mar 05, 2011 Feb 28, 2015
Jennifer Chayes UC Berkeley Secretary of the Board (3/5/05-3/1/2008) Mar 06, 2004 Mar 01, 2008
Jennifer Chayes UC Berkeley Mar 02, 2008 Mar 01, 2012
Jennifer Chayes UC Berkeley Mar 01, 2012 Feb 29, 2016
Shiing-Shen Chern Dec 01, 1979 Sep 30, 1981
Shiing-Shen Chern Ex-Officio (Director) Oct 01, 1981 Sep 01, 1984
Neil Chriss Hutchin Hill Capital, LP Mar 05, 2011 Feb 28, 2015
Carol Christ University of California, Berkeley Mar 01, 2020 Feb 29, 2028
May Chu Signet Consulting Treasurer (4/1/19-3/31/23) Mar 01, 2009 Feb 28, 2027
Paul Concus Dec 01, 1979 Apr 01, 1996
Minerva Cordero University of Texas Ex-officio Trustee, HRAC Chair Apr 01, 2013 Mar 31, 2015
Kevin Corlette University of Chicago Ex-officio (SAC Co-Chair) Apr 01, 2000 Mar 10, 2002
Ricardo Cortez Tulane University Ex-officio Trustee (HRAC Chair) Apr 01, 2007 Mar 31, 2009
Ricardo Cortez Tulane University Ex-officio Trustee (HRAC Co-Chair) Apr 01, 2009 Mar 31, 2011
Charles Curtis University of Oregon Oct 01, 1983 Apr 01, 1995
Donatella Danielli Arizona State University Ex officio, CAS Chair Apr 01, 2023 Mar 31, 2026
Panagiota Daskalopoulos Columbia University Ex officio, SAC Co-Chair Jul 01, 2016 Jun 30, 2019
Ingrid Daubechies Duke University Apr 01, 1993 Apr 01, 1997
Edward David Oct 01, 1984 Sep 30, 1988
Nathaniel Dean Ex-officio Trustee (HRAC Chair) Mar 05, 2005 Mar 31, 2007
Stephen Della Pietra Renaissance Technologies Mar 01, 2018 Feb 28, 2026
Vincent Della Pietra Renaissance Technologies Mar 01, 2022 Feb 28, 2026
James Demmel University of California, Berkeley Ex-officio (SAC Co-Chair) Mar 11, 2002 Jun 30, 2005
David Donoho Stanford University Mar 01, 2016 Feb 29, 2028
Lloyd Douglas Ex officio Trustee, HRAC Co-Chair Apr 01, 2015 Mar 31, 2017
Eugene Dynkin Oct 01, 1989 Apr 01, 1994
Harold Edwards Apr 01, 1993 Apr 01, 1997
David Eisenbud University of California, Berkeley Ex-officio Trustee (Director) Jul 01, 1997 Jul 31, 2007
David Eisenbud University of California, Berkeley Director (8/1/13-7/31/22) Mar 01, 2009 Jul 31, 2022
Sean Fahey Compass Rose Asset Management LP Mar 01, 2020 Feb 29, 2028
Charles Fefferman Princeton University Jan 03, 2006 Mar 01, 2010
Charles Fefferman Princeton University Chair, Board of Trustees Apr 01, 2007 Mar 31, 2010
Charles Fefferman Princeton University Apr 01, 2010 Feb 28, 2026
Robert Fernholz Allocation Strategies, LLC Mar 01, 2022 Feb 28, 2027
Jerry Fiddler Zygote Ventures Mar 06, 2004 Mar 01, 2008
Jerry Fiddler Zygote Ventures Mar 02, 2008 Mar 01, 2012
Jerry Fiddler Zygote Ventures Mar 01, 2012 Feb 29, 2016
Robert Finn Oct 01, 1983 Sep 30, 1987
William Firey Dec 01, 1979 Dec 22, 1983
Frank Flaherty Oct 01, 1984 Apr 01, 1993
G. David Forney Massachusetts Institute of Technology Apr 01, 2001 Apr 01, 2005
Dan Freed Harvard University Mar 03, 2007 Mar 01, 2011
Dan Freed Harvard University Mar 05, 2011 Feb 28, 2027
Solomon Friedberg Boston College Oct 01, 1986 Sep 30, 1987
John Gage Sun Microsystems, Inc. Apr 01, 1994 Apr 01, 1998
Ramesh Gangolli Oct 03, 1981 Sep 30, 1984
John Garnett Univesity of California at Los Angeles Oct 01, 1988 Apr 01, 1992
Sylvester Gates University of Maryland Mar 01, 2020 Feb 29, 2024
Teena Gerhardt Michigan State University Ex officio, HRAC Co-Chair Apr 01, 2020 Mar 31, 2022
Don Glaser Apr 01, 1997 Feb 20, 2001
James Glimm Oct 01, 1989 Apr 01, 1994
Ellen Goldberg Apr 01, 2001 Apr 01, 2002
Jeff Goodby Goodby, Silverstein and Partners Jan 06, 2006 Mar 01, 2010
Jeff Goodby Goodby, Silverstein and Partners Mar 06, 2010 Feb 07, 2023
Ronald Graham University of California, San Diego Ex-Officio (SAC) Oct 01, 1987 Sep 30, 1989
Richard Griego Ex-Officio (HRAC Chair) Apr 01, 1996 Apr 01, 1997
Phillip Griffiths Institute for Advanced Study Dec 01, 1979 Sep 30, 1985
Phillip Griffiths Institute for Advanced Study Feb 21, 2008 Mar 01, 2012
Phillip Griffiths Institute for Advanced Study Apr 01, 2010 Feb 28, 2017
Phillip Griffiths Institute for Advanced Study Chair of the Board (4/1/10 - 3/31/13) Apr 01, 2010 Feb 28, 2017
Benedict Gross Harvard University Ex-officio (SAC Co-Chair) Apr 01, 2001 Mar 01, 2003
Sanford Grossman Quantitative Financial Strategies, Inc Mar 06, 2010 Feb 28, 2022
alberto grunbaum University of California, Berkeley Apr 01, 1997 Apr 01, 2001
alberto grunbaum University of California, Berkeley Apr 01, 1996 Apr 01, 1997
John Guckenheimer Cornell University Dec 01, 1979 Sep 30, 1985
Vinita Gupta Digital Link Mar 01, 2019 Feb 28, 2027
Christopher Hacon University of Utah Ex officio Trustee, SAC Co-Chair Jul 01, 2015 Jun 30, 2018
Alfred Hales Institute for Defense Analyses (CCR-LJ) Apr 01, 1995 Apr 01, 1999
Paul Halmos Dec 01, 1979 Sep 30, 1983
Ursula Hamenstädt Rheinische Friedrich-Wilhelms-Universität Bonn Ex-officio, SAC Co-Chair Jul 01, 2021 Jun 30, 2024
F. Harvey Oct 01, 1983 Sep 30, 1989
Brendan Hassett Brown University Feb 22, 2014 Feb 28, 2018
Deanna Haunsperger Carleton College Ex officio Trustee, HRAC Co-Chair Apr 01, 2015 Mar 31, 2017
William Hearst III Apr 01, 1999 Apr 01, 2003
William Hearst III Mar 01, 2003 Mar 01, 2007
William Hearst III Mar 01, 2007 Mar 01, 2011
William Hearst III Mar 05, 2011 Jul 11, 2011
Melvin Hochster University of Michigan Oct 01, 1984 Sep 30, 1987
Melvin Hochster University of Michigan Ex-Officio (SAC Co-Chair) Apr 01, 1992 Apr 01, 1993
David Hodges Vice Chair (3/11/02 - 4/1/05) Apr 01, 2000 Apr 01, 2004
David Hodges Vice Chair (3/11/02-4/1/05) Mar 11, 2002 Apr 01, 2005
Helmut Hofer Institute for Advanced Study Ex-officio Trustee (SAC Co-Chair) Mar 04, 2006 Jun 30, 2009
Margaret Holen Private Investor Mar 01, 2014 Feb 29, 2028
Bengt Holmström Massachusetts Institute of Technology Mar 01, 2017 Feb 28, 2021
Craig Huneke University of Virginia Mar 01, 2013 Feb 28, 2017
Ron Irving University of Washington Mar 01, 2023 Feb 28, 2028
Arthur Jaffe Harvard University Apr 01, 1992 Apr 01, 1996
Raymond Johnson Apr 01, 1998 Mar 10, 2002
Ronald Kahn BlackRock Board Chair (02/07/23-03/31/25) Mar 01, 2013 Feb 28, 2025
Morris Kalka Tulane University Ex-officio Trustee (CAS Chair) Apr 01, 2008 Mar 31, 2011
Morris Kalka Tulane University Ex-officio Trustee, CAS Chair Apr 01, 2008 Mar 31, 2014
Irving Kaplansky Ex-Officio (D) (9/1/84 - 7/1/92) Oct 01, 1983 Jul 01, 1992
Anatole Katok Pennsylvania State University Oct 01, 1985 Apr 01, 1991
Carlos Kenig University of Chicago Ex-officio Trustee (SAC Co-Chair) Sep 12, 2007 Jun 30, 2010
Steven Kerckhoff Stanford University Ex-Officio (CAS Chair) Apr 01, 1996 Apr 01, 1999
Steven Kerckhoff Stanford University Apr 01, 1992 Apr 01, 1996
Robert Kerley Dec 01, 1979 Sep 25, 1981
Robion Kirby University of California, Berkeley Ex-Officio (Dep Director) Jul 01, 1985 Apr 20, 1987
William E. Kirwan Mar 06, 2004 Mar 01, 2008
Maria Klawe Math for America Mar 06, 2004 Mar 01, 2008
Maria Klawe Math for America Mar 02, 2008 Mar 01, 2012
Maria Klawe Math for America Mar 01, 2012 Feb 29, 2024
Victor Klee Dec 01, 1979 Sep 30, 1988
Mark Kleiman Factorial Partners Treasurer (4/1/23-03/31/26) Mar 01, 2012 Mar 31, 2026
don knuth Stanford University Apr 01, 1998 Mar 10, 2002
don knuth Stanford University Jan 17, 2006 Mar 01, 2010
Nancy Kopell Boston University Oct 01, 1990 Apr 01, 1995
Arthur Krener Apr 01, 1991 Apr 01, 1995
Julius R. Krevans Secretary (3/11/02 - 3/30/05) Dec 05, 2001 Mar 11, 2002
Julius R. Krevans Vice Chair (3/5/05 - 3/1/08) Mar 12, 2002 Mar 01, 2006
Julius R. Krevans Ex-officio Trustee (Vice Chair, 3/5/05 - 3/1/08) Mar 02, 2006 Mar 01, 2008
Julius R. Krevans Mar 02, 2008 Feb 29, 2012
Martin Kruskal Oct 05, 1981 Sep 30, 1985
Kee Lam Oct 01, 1990 Apr 01, 1995
Tsit-Yuen Lam Ex-Officio (Dep Dir) Aug 15, 1995 Jul 30, 1997
Richard H. Lampman Dec 05, 2001 Mar 01, 2006
Paul Latiolais Apr 01, 1991 Apr 01, 1995
Henry Laufer Renaissance Technologies Corporation Mar 05, 2011 Feb 28, 2027
Marsha Laufer National Democratic Finance Committee Mar 01, 2024 Feb 29, 2028
Kristin Lauter Facebook AI Research (FAIR) North America at Meta Mar 01, 2018 Feb 28, 2026
H. Blaine Lawson State University of New York, Stony Brook Oct 01, 1987 Apr 01, 1992
Tom Leighton Massachusetts Institute of Technology Apr 01, 2001 Apr 01, 2005
Tom Leighton Massachusetts Institute of Technology Mar 05, 2005 Mar 01, 2009
Tom Leighton Massachusetts Institute of Technology Mar 02, 2009 Feb 28, 2013
Joshua Leslie Secretary (4/1/96 - 4/1/99) Apr 01, 1994 Apr 01, 1999
Elliott Lieb Oct 01, 1985 Sep 30, 1989
Thomas Liggett Apr 01, 1993 Apr 01, 1997
Douglas Lind University of Washington Vice Chair Oct 01, 1989 Apr 01, 1995
Douglas Lind University of Washington Ex-officio (CAS Chair) Apr 01, 1999 Mar 31, 2005
Robert MacPherson Oct 01, 1985 Sep 30, 1989
Nikolai Makarov California Institute of Technology Apr 01, 1991 Apr 01, 1995
William Massey Princeton University Ex-officio (HRAC Chair) Apr 01, 2001 Apr 01, 2003
Barry Mazur Harvard University Apr 01, 2000 Apr 01, 2004
R. Preston McAfee Google, Inc. Mar 01, 2018 Feb 28, 2027
Jack McCauley University of California, Berkeley Mar 01, 2019 Feb 28, 2027
Dusa McDuff Barnard College Chair (4/1/98 - 4/1/01) Apr 01, 1998 Mar 10, 2002
Dusa McDuff Barnard College Mar 05, 2005 Mar 01, 2009
Dusa McDuff Barnard College Mar 02, 2009 Feb 28, 2025
Henry McKean Oct 01, 1983 Sep 30, 1987
Joyce McLaughlin Feb 13, 2003 Mar 01, 2007
Robert Megginson University of Michigan Apr 01, 2000 Apr 01, 2004
Robert Megginson University of Michigan Ex-Officio (HRAC Chair) Apr 01, 1997 Apr 01, 1999
Robert Megginson University of Michigan Ex-Officio (DD) Apr 01, 2004 Jul 31, 2004
Jill Mesirov Apr 01, 1997 Apr 01, 2001
Helen Meyer Meyer Sound Laboratories, Inc. Secretary (4/1/17-3/31/26) Mar 01, 2016 Feb 28, 2027
Juan Meza University of California, Merced Ex-officio (HRAC Chair) Mar 01, 2003 Jun 30, 2005
Dragan Milicic University of Utah Oct 01, 1989 Apr 01, 1994
Victor H. Moll Tulane University Apr 01, 2011 Mar 31, 2013
Andrea Montanari Stanford University Ex officio SAC Co-Chair Jul 01, 2019 Jun 30, 2022
Calvin Moore University of California, Berkeley Ex-Officio (SAC/DD) & Treasurer (10/1/81 - 7/1/85) Dec 01, 1979 Jul 01, 1985
Cathleen Morawetz Apr 01, 1999 Apr 01, 2003
John Morgan Columbia University Chair (3/20/89 - 4/1/94) & VC (1/20/89 - 9/30/89) Oct 01, 1986 Apr 01, 1995
Michael Morgan Oakland Symphony Mar 01, 2015 Feb 28, 2019
Hugh C. Morris Dec 05, 2001 Mar 01, 2006
Maisha Moses The Young People's Project Ex officio (EAC Co-Chair) Apr 01, 2023 Mar 31, 2026
Virginia Naibo Kansas State University Ex officio, BPAC Co-Chair Apr 01, 2022 Mar 31, 2024
Andrew Odlyzko University of Minnesota Vice Chair (4/1/98 - 3/10/02) Apr 01, 1996 Mar 10, 2002
Andrei Okounkov Columbia University; University of California, Berkeley Ex-officio Trustee, SAC Co-Chair Jul 01, 2010 Jun 30, 2013
Andrei Okounkov Columbia University; University of California, Berkeley Vice Chair (4/1/13-2/28/19) Mar 01, 2013 Feb 28, 2025
Robert Oliver Stanford University Secretary (4/1/99 - 3/10/02) Apr 01, 1998 Mar 10, 2002
Robert Osserman Ex-Officio Sep 01, 1990 Aug 31, 1995
Robert Osserman Dec 01, 1979 Aug 30, 1983
Theodore Palmer Oct 01, 1980 Sep 30, 1981
Anna Patterson Google, Inc. Feb 22, 2014 Feb 28, 2018
Edward Penhoet Dec 05, 2001 Mar 01, 2003
Arlie Petters NYU Abu Dhabi Mar 01, 2020 Feb 29, 2024
Kok Phua Apr 01, 1996 Apr 01, 2000
Mark Pinsky Apr 01, 1996 Apr 01, 2000
Peter Preuss Feb 13, 2003 Mar 01, 2007
Paul Rabinowitz Secretary (5/6/89 - 4/1/93) Oct 01, 1987 Apr 01, 1993
Prabhakar Raghavan Google, Inc. Mar 03, 2007 Mar 01, 2011
Prabhakar Raghavan Google, Inc. Mar 05, 2011 Feb 28, 2015
Dinakar Ramakrishnan California Institute of Technology Apr 01, 1991 Apr 01, 1995
Tudor Ratiu Shanghai Jiaotong University Oct 01, 1990 Apr 01, 1992
James Robertson Oct 01, 1982 Sep 30, 1985
Dale Rolfsen University of British Columbia Oct 01, 1989 Sep 30, 1990
Dale Rolfsen University of British Columbia Apr 01, 1997 Apr 01, 2001
Alex Rosenberg Oct 01, 1985 Sep 30, 1988
Hugo Rossi University of Utah Ex-Officio (DD) Aug 01, 1997 Jul 31, 1999
Hugo Rossi University of Utah Chair (10/1/85 - 3/20/89) Oct 03, 1981 Mar 20, 1989
Hugo Rossi University of Utah Ex-Officio Trustee (Deputy Director) Aug 01, 2003 Jul 24, 2006
Linda Rothschild University of California, San Diego Apr 01, 1995 Apr 01, 1999
Halsey Royden Oct 01, 1988 Apr 01, 1992
Andrew Rudd Barra, Inc. Apr 01, 1995 Apr 01, 1999
Donald Saari Chair, Board of Trustees (4/1/04 - 3/31/07) Feb 13, 2003 Mar 31, 2007
Lucy Sanders Mar 03, 2007 Mar 01, 2011
Peter Sarnak Princeton University Mar 05, 2005 Mar 01, 2009
Peter Sarnak Princeton University Mar 02, 2009 Feb 28, 2013
Jose Scheinkman Columbia University Mar 05, 2011 Feb 28, 2015
Henry Schenck Auburn University Ex officio CAS Chair Apr 01, 2020 Mar 31, 2023
Richard Schoen Stanford University Ex-officio Trustee (SAC Co-Chair) Jul 01, 2009 Jun 30, 2012
Myron S. Scholes Graduate School of Business Feb 13, 2003 Mar 01, 2007
Myron S. Scholes Graduate School of Business Mar 01, 2007 Mar 01, 2011
Richard Schori Dec 22, 1982 Sep 30, 1984
David Scott University of Puget Sound Apr 01, 2011 Mar 31, 2013
Gary Seitz Oct 01, 1986 Sep 30, 1987
Jim Simons Simons Foundation Apr 01, 1999 Mar 01, 2003
Stephen Simons Nov 18, 1988 Apr 01, 1994
Jim Simons Simons Foundation Mar 01, 2003 Mar 01, 2007
Nathaniel Simons Mar 03, 2007 Mar 01, 2011
Jim Simons Simons Foundation Mar 01, 2007 Mar 01, 2011
Jim Simons Simons Foundation Mar 05, 2011 Feb 28, 2027
Marilyn Simons Simons Foundation Mar 01, 2024 Feb 29, 2028
Michael Singer North Carolina State University Ex-officio (Deputy Director/Acting Director) Aug 01, 2001 Jul 31, 2003
Isadore Singer Massachusetts Institute of Technology Dec 01, 1979 Sep 30, 1988
Isadore Singer Massachusetts Institute of Technology Apr 01, 1995 Apr 01, 1999
Maurice Sion Jan 24, 1986 Sep 30, 1989
Lance Small University of California, San Diego Dec 01, 1979 Sep 30, 1989
Robert Solovay Oct 01, 1989 Feb 02, 1996
Hugo Sonnenschein University of Chicago Jan 03, 2006 Mar 01, 2010
Hugo Sonnenschein University of Chicago Mar 06, 2010 Jul 15, 2021
Gigliola Staffilani Massachusetts Institute of Technology Ex-officio Trustee, SAC Co-Chair Jul 01, 2013 Jun 30, 2016
Harold Stark Oct 01, 1989 Apr 01, 1994
Elias Stein Princeton University Ex-Officio Apr 01, 1996 Apr 01, 2000
Robert Steinberg Oct 01, 1984 Oct 01, 1986
Ronald Stern University of California, Irvine Secretary (4/1/93 - 4/1/96) Apr 01, 1991 Apr 01, 1996
Edgar Stout Oct 01, 1984 Sep 30, 1985
Roger Strauch The Roda Group Treasurer, Board of Trustees (3/1/03 - 3/1/06) Apr 01, 1996 Mar 31, 2000
Roger Strauch The Roda Group Treasurer, Board of Trustees Apr 01, 2001 Mar 31, 2005
Roger Strauch The Roda Group Ex officio, Treasurer, Board of Trustees(3/1/03-3/1/06) Apr 01, 2005 Feb 28, 2006
Roger Strauch The Roda Group Treasurer, Board of Trustees Mar 01, 2006 Mar 01, 2010
Roger Strauch The Roda Group Ex officio, Secretary of the Board Apr 01, 2000 Apr 01, 2001
Roger Strauch The Roda Group Treasurer Mar 02, 2009 Mar 31, 2011
Roger Strauch The Roda Group Vice Chair (4/1/11-3/31/2013) Mar 06, 2010 Feb 28, 2014
Roger Strauch The Roda Group Board Chair (04/1/13-03/31/19) Apr 01, 1996 Mar 02, 2024
Sandor Straus Firedoll Foundation Mar 01, 2012 Feb 28, 2025
Sandor Straus Firedoll Foundation Apr 01, 2000 Apr 01, 2004
Sandor Straus Firedoll Foundation Mar 06, 2004 Mar 01, 2008
Sandor Straus Firedoll Foundation Mar 02, 2008 Mar 01, 2012
Masamichi Takesaki University of California, Los Angeles Oct 03, 1981 Sep 30, 1983
Terence Tao University of California, Los Angeles Vice Chair (3/1/19-3/31/26) Mar 01, 2019 Feb 28, 2027
Eva Tardos Cornell University Mar 01, 2013 Feb 28, 2017
Richard Taylor Stanford University Ex-officio Trustee, SAC Co-Chair Jul 01, 2012 Jun 30, 2015
P. Thomas Ex-Officio Apr 20, 1987 Aug 30, 1990
William Thurston Ex-Officio (D) Jul 01, 1992 Jul 30, 1997
Chang-Lin Tien Apr 01, 2000 Nov 01, 2002
Tatiana Toro MSRI / Simons Laufer Mathematical Sciences Institute (SLMath) Ex officio, Director Aug 01, 2022 Jul 31, 2027
Tatiana Toro MSRI / Simons Laufer Mathematical Sciences Institute (SLMath) Ex officio, SAC Co-Chair Jul 01, 2018 Jun 30, 2021
Rodolfo Torres University of California, Riverside Ex officio HRAC Co-Chair Apr 01, 2019 Mar 31, 2021
Rodolfo Torres University of California, Riverside Mar 01, 2023 Feb 28, 2027
Craig Tracy University of California, Davis Apr 01, 1998 Mar 10, 2002
Anthony Tromba Oct 01, 1985 Apr 01, 1995
Karen Uhlenbeck University of Texas, Austin Oct 05, 1981 Sep 30, 1990
Karen Uhlenbeck University of Texas, Austin Mar 01, 2012 Feb 29, 2016
Mariel Vazquez University of California, Davis Ex officio, HRAC Co-Chair Apr 01, 2017 Mar 31, 2020
William Veech Oct 01, 1989 Apr 01, 1994
William Velez University of Arizona Ex-Officio (HRAC Chair) Apr 01, 1999 Apr 01, 2001
Dario Villani Duality Group Mar 01, 2022 Feb 28, 2026
Andrew Viterbi Viterbi Group LLC Apr 01, 2001 Apr 01, 2005
Andrew Viterbi Viterbi Group LLC Mar 05, 2005 Mar 01, 2009
Andrew Viterbi Viterbi Group LLC Mar 02, 2009 Feb 28, 2013
Judy Walker University of Nebraska Ex officio, CAS Chair Apr 01, 2014 Mar 31, 2020
Henry Warchall National Science Foundation Mar 03, 2016 Mar 06, 2016
Henry Warchall National Science Foundation Feb 23, 2017 Mar 05, 2017
Hans Weinberger Oct 01, 1989 Apr 01, 1994
Robin Wilson Loyola Marymount University Ex officio, HRAC Co-Chair Apr 01, 2017 Mar 31, 2019
Shmuel Winograd Dec 01, 1979 Sep 30, 1986
Bob Wise Alliance for Excellent Education Mar 01, 2015 Feb 28, 2019
Carol Wood Wesleyan University Ex-officio (DD) Aug 01, 1996 Jul 31, 1997
Carol Wood Wesleyan University Apr 01, 1999 Apr 01, 2003
Margaret H. Wright New York University, Courant Institute Ex-officio (SAC Co-Chair) Apr 01, 1999 Apr 01, 2001
Margaret H. Wright New York University, Courant Institute Dec 05, 2001 Mar 01, 2006
Bobby Yazdani Cota Capital Mar 01, 2022 Feb 28, 2026
Julius Zelmanowitz University of California, Santa Barbara Ex-Officio Trustee (Deputy Director) Jul 01, 2006 Jun 30, 2008