From 1955 to 1959, he was a professor at the Faculty of Commerce of Université Laval. From 1960 to 1962, he was a research associate and assistant at the Harvard Business School. From 1962 to 1968, he was a professor and associate director at HÉC, the École des Hautes Études Commerciales of the Université de Montréal. From 1968 to 1972, he was an executive vice-president of the Canadian Broadcasting Corporation, where he also then served as president from 1972 to 1975.[2][3]
Between 1975 and 1977 he was director of Telesat.
From 1978 to 1986, he was the dean of the Faculty of Management at McGill University.