Sinclair was called to the Bar of Manitoba in 1941. From 1942 to 1943, he was a lecturer in torts at the University of Manitoba.
In 1942, he started at Canadian Pacific Ltd. in the law department as an assistant solicitor and eventually rose to become president and CEO in 1969. He was also Chairman and CEO from 1972 to 1981.[citation needed] While president, Sinclair assisted Father David Bauer and the Canada men's national ice hockey team by arranging free and discounted transportation for the team.[1]
In 1983, he was summoned to the Senate of Canada and represented the senatorial division of Halton, Ontario. A Liberal, he retired on September 27, 1988.
In the late 1970s, he was the subject of the television documentary "Best Job in Canada" in which he disclosed that his weekly salary was $10,700. One of his more colourful quotes in the program was "I don't have heart attacks, I give them."
References
↑Oliver, Greg (2017). Father Bauer and the Great Experiment: The Genesis of Canadian Olympic Hockey. Toronto, Ontario: ECW Press. pp.102–103. ISBN978-1-77041-249-1.