He was a Liberal member of the Legislative Assembly of Ontario from 1984 to 1995 who represented the Ottawa area riding of Prescott and Russell.
[1] Poirier ran as the Liberal candidate in the riding of Prescott and Russell On December 13, 1984, in a by-election that was called when the previous member, Don Boudria, resigned to run for federal office.
[3] The Liberals formed a minority government after this election, and Poirier was appointed as a parliamentary assistant to the Minister of the Environment.
[7] The Liberals were upset by the New Democratic Party in the 1990 provincial election, although Poirier was re-elected by a significant margin.
[10] Poirier was a member of the Chargé de mission pour la région Amérique committee from 1989 to 1995, was the Ontario president of l'Assemblée internationale des parlementaires de langue française (AIPLF) from 1986 to 1995, and was a member of l'Association parlementaire Ontario-Québec from 1990 to 1995.