SIAM Presents Newest Leadership
Following SIAM’s recent elections, we are excited to introduce our President-elect, Vice President-at-Large, Secretary, members of the Board of Trustees, and members of Council as elected by the SIAM membership.
The President-elect will shadow the current President for the next calendar year and serve as President from January 1, 2027 until December 31, 2028. The newly elected Vice President-at-Large and re-elected Secretary will serve from January 1, 2026 until December 31, 2027. The newly elected members of the Board of Trustees and members of Council will serve from January 1, 2026 until December 31, 2028.
Thank you to the entire slate of outstanding candidates for your willingness to serve the SIAM community in this capacity, and to the SIAM members who cast their votes. SIAM relies on the service and dedication of many of its members who serve as elected leaders or as appointed members of various general committees. Please consider suggesting potential members for future election or appointment via SIAM’s Leadership Suggestion Form.
* indicates incumbent
President-Elect
Cynthia A. Phillips
Affiliation:
Sandia National Laboratories
Professional Experience:
Laboratory fellow, Sandia National Laboratories (2023-present)
Senior scientist, Sandia National Laboratories (2010-2023)
Distinguished member, Technical staff, Sandia National Laboratories (2000-2010)
Principal member, Technical staff, Sandia National Laboratories (1998-2000)
Senior member, Technical staff, Sandia National Laboratories (1990-1998)
Education:
Ph.D., Computer science, Massachusetts Institute of Technology (1990)
B.A., Applied mathematics, Harvard University (1983)
Vice President-at-Large
Simon Tavener
Affiliation:
Colorado State University
Professional Experience:
Executive associate dean, Colorado State University (2024-present)
Professor, Mathematics, Colorado State University (2001-present)
Interim dean, Colorado State University (2022-2024)
Executive associate dean, Colorado State University (2017-2022)
Associate dean, Colorado State University (2012-2017)
Visiting fellow, Oxford Center for Collaborative Applied Mathematics (2011)
Chair, Mathematics, Colorado State University (2003-2011)
Visiting fellow, Oxford Center for Collaborative Applied Mathematics (2010)
Associate professor, Mathematics, Colorado State University (2000-2001)
Associate professor, Mathematics, The Pennsylvania State University (1995-2000)
Assistant professor, Mathematics, The Pennsylvania State University (1989-1995)
Postdoc, The Pennsylvania State University (1987-1989)
Postdoc, University of Minnesota (1986-1987)
Education:
D. Phil, Physics, Oxford University (1986)
M.E. (Distinction), Auckland University (1983)
B.E. (Honors), Auckland University (1981)
Secretary
Karen Devine*
Affiliation:
Sandia National Laboratories, retired
Professional Experience:
Distinguished member of the technical staff, Sandia National Laboratories' Center for Computing Research (2018-2022)
Principal member of the technical staff, Sandia National Laboratories' Center for Computing Research (2000-2018)
Senior member of the technical staff, Sandia National Laboratories' Center for Computing Research (1996-2000)
Post-doctoral staff, Sandia National Laboratories' Center for Computing Research (1994-1996)
Education:
Ph.D., Computer science, Rensselaer Polytechnic Institute
M.S., Computer science, Rensselaer Polytechnic Institute
B.S., Computer science, Wilkes University
Board of Trustees
Bonita Saunders*
Affiliation:
National Institute of Standards and Technology
Professional Experience:
Leader, Mathematical Software Group, Applied and Computational Mathematics Division (ACMD), National Institute of Standards and Technology (NIST) (2022-present)
Research mathematician, ACMD, NIST (1989-2022)
Programmer analyst, BDM Corporation (1985-1989)
Graduate student research fellow, NASA Langley Research Center (1983-1985)
Instructor, Department of Mathematics, Hampton University (1980-1982)
Instructor, Department of Mathematics, Norfolk State University (1979-1980)
Education:
Ph.D., Computational and applied mathematics, Old Dominion University (1985)
M.S., Mathematics, University of Virginia (1979)
B.A., Mathematics, College of William and Mary (1977)
Konstantina Trivisa
Affiliation:
University of Maryland
Professional Experience:
Founding director, M.S. in Quantum Computing, University of Maryland, College Park (2024-present)
Professor, Institute for Physical Science and Technology, University of Maryland, College Park (2007-present)
Professor of mathematics, University of Maryland, College Park (2007-present)
Director, Institute for Physical Science and Technology, University of Maryland, College Park (2020-2025)
Associate director, Institute for Physical Science and Technology, University of Maryland, College Park (2014-2020)
Director, Applied Mathematics and Statistics, and Scientific Computation Program, University of Maryland, College Park (2007-2018) Associate professor, Mathematics, University of Maryland, College Park (2004-2007)
Assistant professor, Mathematics, University of Maryland, College Park (2000-2004)
Ralph Boas Assistant professor of mathematics, Northwestern University (1997-2000)
Postdoctoral research associate, Center for Nonlinear Analysis, Carnegie Mellon University (1999-1997)
Education:
Ph.D., Applied mathematics, Brown University (1996)
M.S., Applied mathematics, Brown University (1992)
B.S., Mathematics, University of Patras (1990)
Ulrike Meier Yang*
Affiliation:
Lawrence Livermore National Laboratory
Professional Experience:
Group leader, Mathematical Algorithms & Computing Group, Center for Applied Scientific Computing (CASC), Lawrence Livermore National Laboratory (LLNL) (2019-present)
Computer scientist, CASC, LLNL (1998-present)
Acting deputy division deader, CASC, LLNL (2024-2025)
Group leader, Computational Math Group, CASC, LLNL (2010-2019)
Acting group leader, Computational Math Group, CASC, LLNL (2009-2010)
Acting group leader, Scalable Algorithms Group, CASC, LLNL (2007-2008)
Instructor, University of Illinois at Urbana–Champaign (UIUC) (1995)
Senior computer scientist, Center for Supercomputing Research and Development (CSRD), UIUC (1994-1995)
Consultant, Paracomp Tech., Inc. (1987)
Computer scientist, CSRD, UIUC (1985-1994)
Staff scientist, Wissenschaftlicher Mitarbeiter, Jülich Research Center (1983-1985)
Student assistant, Studentische Hilfskraft, Ruhruniversität Bochum (1980-1983)
Education:
Ph.D., Computer science, University of Illinois at Urbana–Champaign (1995)
Diploma, Mathematics, Ruhruniversität Bochum (1983)
Council Members-at-Large
Luis Chacon
Affiliation:
Los Alamos National Laboratory
Professional Experience:
Scientist, Los Alamos National Laboratory (2012-present)
Deputy group leader, Los Alamos National Laboratory (2014-2015)
Scientist, Oak Ridge National Laboratory (2008-2012)
Technical staff member, Los Alamos National Laboratory (2002-2008)
Director's postdoctoral fellow, Los Alamos National Laboratory (2000-2002)
Education:
Ph.D., Industrial engineering, Polytechnic University of Madrid (2001)
Ph.D., Nuclear engineering, University of Illinois, Urbana-Champaign (2000)
M.S., Nuclear engineering, University of Illinois, Urbana-Champaign (1997)
M.S., Industrial engineering, Polytechnic University of Madrid (1994)
Rachel Levy
Affiliation: North Carolina State University
Professional Experience:
Executive director, Data Science and AI Academy (DSA) and Professor, Mathematics, North Carolina State University (2021-present)
Congressional policy fellow, American Mathematical Society-Association for the Advancement of Science (2020-2021)
Deputy executive director and staff principal investigator, Mathematical Association of America (2018-2020)
Associate dean for faculty development, Harvey Mudd College (2015-2018)
Professor, Mathematics, Harvey Mudd College (2015-2019)
Associate professor, Mathematics, Harvey Mudd College (2011-2015)
Iris and Howard Critchell Chair, Harvey Mudd College (2011-2012)
Avery professor, Claremont Graduate University, Spring (2011)
Assistant professor, Mathematics, Harvey Mudd College (2007-2011)
Postdoctoral research associate, Mathematics, Duke University (2005-2007)
Graduate research assistant, mathematics, North Carolina State University (2001-2005)
Upper school dean, Carolina Friends School (1999-2001)
Upper school faculty, Carolina Friends School (1997-2001)
Middle school faculty, Carolina Friends School (1991-1995)
Mathematics director, Duke University Talent Identification Program (1990-1991)
Instructor, Duke University Talent Identification Program (1987-1990)
Education:
Ph.D., Applied mathematics, North Carolina State University (2005)
M.S., Applied mathematics, North Carolina State University (2003)
M.A., Educational media and instructional design, University of North Carolina at Chapel Hill (1996)
B.A., Mathematics and honors in english, Oberlin College (1989)
Noemi Petra
Affiliation:
University of California, Merced
Professional Experience:
Professor, Applied mathematics, School of Natural Sciences, University of California (2025-present)
Chair, Applied mathematics undergraduate program, University of California (2023-present)
Associate professor, Applied mathematics, School of Natural Sciences, University of California (2020-2025)
Assistant professor, Applied mathematics, School of Natural Sciences, University of California (2014-2020)
Post-doctoral research associate, The University of Texas at Austin, Oden Institute for Computational Engineering and Sciences (2011-2014)
ICES Post-Doctoral Fellow (now “Peter O’Donnell Jr. Postdoctoral Fellowship”), The University of Texas at Austin, Oden Institute for Computational Engineering and Sciences (2010-2011)
Education:
Ph.D., Applied mathematics, University of Maryland (2010)
M.S., Computer science, Babeș-Bolyai University (2003)
B.S., Mathematics and computer science, Babeș-Bolyai University (2002)
Jennifer K. Ryan
Affiliation:
KTH Royal Institute of Technology
Professional Experience:
Professor, KTH Royal Institute of Technology (2023-present)
Division head, KTH Royal Institute of Technology (2023-present)
Associate professor, KTH Royal Institute of Technology (2022-2023)
Guest professor, Uppsala University (2020-2022)
Associate professor, Colorado School of Mines (2019-2022)
Visiting professor (DAAD Fellow), Heinrich Heine University Düsseldorf (2018-2019)
Senior lecturer, University of East Anglia (2015-2019)
Lecturer, University of East Anglia (2012-2015)
Senior assistant professor, Delft University of Technology (2011-2012)
Assistant professor, Delft University of Technology (2008-2011)
Assistant professor, Virginia Tech (2005-2007)
Householder postdoctoral fellow, Oak Ridge National Lab (2003-2005)
Education:
Ph.D., Applied mathematics, Brown University (2003)
M.S., Mathematics, Courant Institute of Mathematical Sciences, New York University (1999)
B.A., Applied mathematics, Rutgers University-Newark (1996)
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