In 1963, he joined the faculty of the University of Manitoba as an Assistant Professor of Medicine and Physiology. He was appointed Associate Professor in 1965 and Professor in 1967. He was Acting Head of the Faculty from 1966 to 1967 and Head from 1967 to 1971. He was Dean of Faculty of Medicine from 1971 to 1981. From 1981 to 1996, he was the President and Vice-Chancellor.
In 1996, he was appointed Director, Centre for the Advancement of Medicine.