Career
He served in the House of Commons of Canada from 1993 to 1997 and again from 2008 to 2011. Pomerleau was elected in the Anjou—Rivière-des-Prairies electoral district under the Bloc Québécois party in the 1993 federal election, thus serving in the 35th Canadian Parliament. He was defeated by Liberal candidate Yvon Charbonneau in the 1997 federal election.
In the 2011 federal election Pomerleau was defeated by New Democratic Party candidate François Choquette.