Office of the Information Commissioner of Canada
Born in Montréal, Mario Dion was called to the Québec Bar in 1980 and had an extensive and diverse career in the federal Public Service leading up to his retirement last year. As a legal advisor in the early 1980’s, Mr. Dion was responsible for providing advice to the Correctional Service of Canada and the National Parole Board on the requirements of the Act in the early days of its implementation (1983-1988). He later provided advice to the Clerk of the Privy Council on the treatment of access requests (1996-1997).
In 1995, Mr. Dion was appointed Associate Deputy Minister of Justice Canada, where he assumed responsibility for the Civil law aspects and all operations in the Quebec Region. In 2003, he was appointed Deputy Minister of Indian Residential Schools Resolution Canada.
Between 2006 and 2009, Mr. Dion was Chairperson and Deputy Head of the National Parole Board. He has also been retained as Commissioner ad hoc for the Office of the Privacy Commissioner of Canada.