1. Toronto General Hospital; Professor of Psychiatry, University of Toronto.
2. D. Campbell Meyers Memorial Department of Psychiatry, Toronto General Hospital, Departments of Medicine and Psychiatry, University of Toronto, Wellesley Hospital, Toronto.
3. Department of Psychiatry, Toronto General Hospital, 1970 – 1971; Assistant Resident, Department of Psychiatry, University of Toronto, 1972–1973.