Career
He was a businessman, political scientist and teacher by career. Champagne was the mayor of Saint-Séverin-de-Proulxville from 1981 to his election for the progressive-conservative in 1984. Champagne was among moderate supporters of the Quebec sovereignty movement, who gave a chance to the beau risque approach in the aftermath of the 1980 Quebec Referendum.
He successfully ran as a Progressive Conservative candidate in the Quebec riding of Champlain in the 1984 and was re-elected in 1988.
Champagne was a member in the 33rd and 34th Canadian Parliaments. Champagne lost his bid for re-election in 1993, against Bloc Québécois candidate Réjean Lefebvre.
However, local Province of Quebec card-carrying supporters chose Yves Demers over him. Demers eventually lost the election against Liberal Julie Boulet.
Michel Champagne ran again for the mayorship of Saint-Séverin in 2009 and he was re-elected without opposition during the municipal election.
He became the mayor again 25 years after he left this position to enter federal politics.
