Guy Bertrand is the author of Enough Is Enough: An Attorney's Struggle for Democracy in Quebec and has practised law since 1962. His numerous clients have included people who had their land expropriated when Mirabel airport was built in 1982, members of the National Hockey League, and Rene Levesque. A founding member of the Parti Quebecois, he ran as a candidate for party president in 1985.