Murdoch MacKay received his Bachelor of Arts degree from the University of Manitoba in 1951, his Bachelor of Law from the Manitoba Law School in 1955 and received his Queen’s Council designation in 1969. Specializing in Corporate, Estate and Labour Law, Murdoch joined the Winnipeg Law firm of Duboff Edwards Haight & Schachter in 1998.
Originally a member of the Liberal Party, Murdoch would later serve as provincial president of the New Democratic Party from 1972 to 1974 before becoming a founding member of the Progressive Party. He has been Chairman of the Manitoba Labour Board and held the position for seven years.
With the goal of promoting objective public policy discourse, Murdoch was a founding Director of the Frontier Centre for Public Policy and was also a member of the Manitoba Development Corporation. An outspoken supporter of pro-business labour laws, Murdoch has actively debated mandatory union due collection, arguing that such laws are counterintuitive to economic growth.
Murdoch is a strong proponent of local businesses and charities, serving on the boards of Jory Capital Inc., the Mount Carmel Clinic, the Winnipeg Art Gallery and several private corporations.