Chair, Department of Physics and Astronomy, Faculty of Science, University of Waterloo (past)
Department of Applied Mathematics, Faculty of Mathematics, University of Waterloo (past)
current
Professor, David R. Cheriton School of Computer Science, Faculty of Mathematics, University of Waterloo (past)
Canada Research Chair, Department of Applied Mathematics, Faculty of Mathematics, University of Waterloo (past)
Professor, Institute for Quantum Computing, University of Waterloo (past)
2001
Director, David R. Cheriton School of Computer Science, Faculty of Mathematics, University of Waterloo (past)