EDUCATION
| B.S. | University of Utrecht | 1975 (Mathematics and Physics) |
| M.S. | University of Utrecht | 1980 (Mathematics and Physics) |
| PhD. | University of Utrecht | 1985 (Mathematics) |
| (Professor T.A. Springer, advisor) |
PROFESSIONAL CAREER
| North Carolina State University | Head | 2005-present |
| North Carolina State University | Associate Head | 2004-2005 |
| Brandeis University | Visiting Professor | 2000-2001 |
| North Carolina State University | Professor | 2000-present |
| North Carolina State University | Associate Professor | 1994-2000 |
| University of Twente | Senior Research Fellow | 1993-94 |
| North Carolina State University | Assistant Professor | 1987-93 |
| University of Michigan | Visiting Assistant Professor | 1985-87 |
| Centrum voor Wiskunde en Informatica | Research Fellow | 1980-85 |
| Amsterdam, The Netherlands |