He was an executive member of the International Council for Friendship and Solidarity with Soviet People and Associate and Editor of Northstar Compass – the organization's print publication.
Stevenson was a member of the Communist Party of Canada from 1940 to 1998,[1] serving for many years on its Central Committee and many of its Commissions.
[1] He began working in the gold mines of north-eastern Manitoba in 1938 but moved to Kirkland Lake, Ontario, after being fired for being an "undesirable element".
Ultimately, he was assigned to develop a curriculum for soldiers facing overseas deployment, educating them on the nature of fascism.
In 1967, Mine Mill was taken over by the United Steel Workers of America and Stevenson served as editor of the USWA's Information until 1972.
[1] Stevenson left the USWA in 1978 when he accepted a position as the Canadian Secretary for the World Peace Council in Finland, he subsequently served as the WPC's Trade Union Secretary and helped establish the International Union Committee for Peace and Disarmament in 1980.