| September 2016 - |
Full Professor at the Department of Mathematics of Simon Fraser University |
| July 2009 - August 2016 |
Associate Professor at the Department of Mathematics of Simon Fraser University |
| Oct. 2003 - June 2009 |
Assistant Professor at the Department of Mathematics of Simon Fraser University |
| Sept. 2002 - Sept. 2003 |
Senior Research Associate with the MAGMA group within the School of
Mathematics at the University of Sydney |
| Jan. 2001 - Aug. 2002 |
PIMS Postdoctoral fellow at Simon Fraser University and University of British Columbia, Canada |
| Sept. 2000 - Dec. 2000 |
MSRI Postdoctoral fellow |
| July 2000 - Sept. 2000 |
Clay Mathematical Institute
Liftoff Mathematician at Utrecht, Netherlands and MSRI Berkeley, CA. |
| Sept. 1999 - Aug. 2000 |
NWO-researcher at Utrecht University, under supervision of Dr. F. Beukers |
| 6 Oct. 1999 |
Defense of PhD thesis Chabauty Methods and covering techniques applied
to generalised Fermat equations. |
| July 1995 - July 1999 |
AIO (Graduate student) at Leiden University, working
on the generalised Fermat equation, under supervision of Prof. Dr. R. Tijdeman
and Dr. F. Beukers. |
| Sept. 1990 - July 1995 |
Undergraduate Mathematics at Leiden university, resulting in Master
Thesis Generalization
of the ABC-conjecture, under supervision of Prof. Dr. R. Tijdeman. |