S.B. in Mathematics, MIT, 1988.
S.M., Ph.D. in Mathematics, Brown University, 1993.
Assistant Professor, University of Michigan, 1993 — 1996.
Visiting Assistant Professor, Swarthmore College, 1996 — 1999.
Visiting Assistant Professor, Pomona College, 1999 — 2000.
Assistant Professor, Scripps College, 2000 — 2003.
Adjunct Assistant Professor, Harvey Mudd College, Summer 2001.
Research Associate, Bryn Mawr College, Fall 2003.
Associate Professor, Scripps College, 2003 — 2018.
Visiting Associate Professor, California State University, Channel Islands, Spring 2015.
Professor, Scripps College, 2018 — present.
Herron Family Endowed Chair of Mathematics, Scripps College, 2020 — present.