2002- | Chaire de Recherche du Canada | Universite de Montréal |
1995-2002 | David C. Barrow Chair of Mathematics | University of Georgia |
1993-95 | Associate Professor | University of Georgia |
1991-93 | Assistant Professor | University of Georgia |
1989-91 | Member | Institute for Advanced Study, Princeton |
1987-89 | Postdoctoral Fellow | The University of Toronto |
1987 | Ph.D. | Queen's University, Canada |
1984 | Part III (Distinction) | Cambridge University, England |
1983 | B.A.(Hons.) | Cambridge University, England |
2013-14 | Visiting research fellow | Trinity College, Cambridge |
2009-10 | Member | Institute for Advanced Study, Princeton. |
Jan-June 2009 | Professeur invité | Université de Paris |
Fall 2007 | Member | Institute for Advanced Study, Princeton. |
June 2001 | BBV Professor | Universidad Autonoma, Madrid, Spain. |
1999 | Kloosterman Professor | University of Leiden, Holland |
Fall 1994 | Visitor | University of Michigan in Ann Arbor. |
April 1993 | Visitor | Universidad Autonoma, Madrid, Spain. |
Jan-June 1993 | Member | Isaac Newton Institute, Cambridge, England |