| 2017 to date |
Executive Director, U15 – Group of Canadian Research Universities (Oct. 1, 2017) |
| 2010-2017 |
President and CEO, Canada Foundation for Innovation |
| 2009 |
Visiting Scholar, Georgia Institute of Technology, Atlanta, GA (Jan-April) |
| 2008-2010 |
Professor and President Emeritus – Administrative and research leave |
| 2001-2008 |
Professor, President and Vice-Chancellor, University of Ottawa |
| 1997-2001 |
Professor and Vice-President (Academic), University of Ottawa |
| 1993-1997 |
Professor and Dean of the Faculty of Engineering, University of Ottawa |
| 1993-1998 |
Adjunct Professor, School of Geology and Geography, McMaster University |
| 1991-1993 |
On leave from McMaster University (Hydromantis, Inc.) |
| 1988-1993 |
Professor, McMaster University, Dept. of Civil Engineering |
| 1985-2001 |
Director of Hydromantis, Inc. Founder and President (1985-1993) |
| 1983-1988 |
Associate Professor, McMaster University, Dept. of Civil Engineering |
| 1978-1983 |
Assistant Professor, École Polytechnique de Montréal, Department of Civil Engineering |
| 1971-1978 |
Bessette, Crevier, Parent, Tanguay & Associés, Consulting Engineers (1971-74: Hull, QC; 1974-78: Montréal, QC) |