B.Sc.in Mathematics, Kings College, London, 1974.
Ph.D.in Mathematics, Harvard University, 1978. (Thesis Advisor: David Mumford).
University of Illinois at Chicago: Head of Department, 1996--2001.
University of Illinois at Chicago: Interim Head of Department, 1994--1996.
University of Illinois at Chicago: Professor, 1988--present.
University of Illinois at Chicago: Associate Professor, 1986--1988.
University of Illinois at Chicago: Assistant Professor, 1984--1986.
Princeton University: Assistant Professor, 1981--1984.
Princeton University: Instructor, 1978--1981.
Isaac Newton Institute for Mathematical Sciences, Spring 1998.
I.H.E.S., Paris April 1988.
Institute for Advanced Study, Fall 1987.
I.H.E.S., Paris July 1986.
Univ. of Paris-Sud and I.H.E.S, Spring 1985.
University of Pennsylvania, 1983--1984.
A.P. Sloan Foundation Fellowship, Sept. 1986-Sept. 1989.
Hour speaker, May A.M.S. Meeting, Chicago, May 1989.
University Scholar, University of Illinois, 1989-92. .
45 minute address in the number theory section at the International Congress of Mathematicians, Kyoto, Aug. 1990.
K. Ganesan, "Serre-Tate theory of ordinary K-3
surfaces", Ph.D. 1988.
Mike Paluch, "Algebraic
and Topological K-theory", Ph.D. 1991.
Junda Hu, "Deformation to the normal cone in arithmetic geometry",
Ph.D. 1999.
Elected, Council of the American Mathematical Society, 2002-2005.
Editor of the American
Journal of Mathematics from 1994 to 1999. and Associate Editor from
1999 to present.
Editor of the Illinois Journal of Mathematics 2003
to present
Editor of the International Mathematics Research Notices, from1995 to 1998.