Full Professor, Department of Geography and Environmental Studies, Wilfrid Laurier University, Canada. (July 2012 - present).  Associate Professor July 2004 - 2012. Assistant Professor 2000 –  2004.

Visiting Professor (Lady Davis Fellow), School of Public Policy, The Hebrew University of Jerusalem (May-Aug, 2005, sabbatical)

Visiting Professor, Institute of Transport and Logistics Studies, Faculty of Economics and Business, The University of Sydney, Australia (Feb – May, 2005, sabbatical)

Associate Member, Graduate Faculty in Civil Engineering, University of Toronto, Canada (July 2005 – Sept 2006).

Postdoctoral Research Fellow, Social Sciences and Humanities Research Council of Canada, Dept of Civil Engineering, University of Toronto (1999), Dépt d’Aménagement (Urban and Regional Planning), Université Laval (1998).

Adjunct Professor, Department of Civil Engineering, University of Toronto, (Jan – April 2000).

Visiting Research Associate, Centre for Transport Studies, Dept. of Civil and Environmental Engineering, Imperial College London, England (Sept 99- ).