1996-Present Professor University of Ottawa
1996-Present Professor Department of Medicine Faculty of Medicine University of Ottawa
2001-Present Senior Scientist Affiliate Ottawa Hospital Research Institute The Ottawa Hospital
2005-Present Director Cardiovascular Research Methods Centre University of Ottawa, Heart Institute
2013-2015 Assistant Professor Leslie Dan Faculty of Pharmacy University of Toronto
2018 Associate Scientific Director Canadian Cardiovascular Network (CANet) National Centres of Excellence
1972-1973 Teaching Assistant McMaster University
1973-1974 Teaching Assistant McGill University
1977-1980 Statistical Analyst Social Science Computing Laboratory University of Western Ontario
1980-1985 Assistant Professor Department of Statistical and Actuarial Sciences University of Western Ontario
1980-1985 Assistant Director of the Statistical Laboratory University of Western Ontario
1985-1986 Head, Epidemiology and Biostatistics Section Bureau of Communicable Disease Epidemiology Laboratory Centre for Disease Control Health Protection Branch Health and Welfare Canada
1986-1991 Chief, Division of Biometrics Laboratory Centre for Disease Control Health Protection Branch Health and Welfare Canada
1986-1991 Adjunct Professor Department of Epidemiology and Community Medicine Faculty of Medicine University of Ottawa
1991-1996 Associate Professor Department of Medicine Faculty of Medicine University of Ottawa
1991-1996 Associate Professor Department of Epidemiology and Community Medicine Faculty of Medicine University of Ottawa
1996 Director (Acting) Clinical Epidemiology Unit Loeb Research Institute Ottawa Civic Hospital
1991-1999 Associate Director Clinical Epidemiology Unit Loeb Health Research Institute The Ottawa Hospital, Civic Campus
1999-2001 Senior Investigator Clinical Epidemiology Unit Loeb Research Institute The Ottawa Hospital, Civic Campus
1999-2005 Chairman Department of Epidemiology and Community Medicine Faculty of Medicine University of Ottawa
2012 Associate Investigator Nursing Best Practice Research Unit University of Ottawa
2000-2015 Principal Scientist Institute of Population Health University of Ottawa