Canada Research Chair, Technology, Culture and Risk, Department of Geography, Faculty of Social Science, University of Western Ontario 2006-Present
Canada Research Chair, Technology, Culture and Risk, Faculty of Information and Media Studies, University of Western Ontario 2003-2006
Nancy and Jack Farley Endowed Professor, Simon Fraser University, 1992-2003
William Lyon Mackenzie King Professor, Harvard University, 1999
Queen's University, 1979-1992
University of British Columbia, 1976-79
Calhoun College Lecturer, Yale University, 1974-75