Marc G. Serré

Marc G. Serré (born January 28, 1967) is a former Liberal Member of Parliament for Nickel Belt. He was first elected in 2015, and re-elected in 2019 and 2021, but was defeated in 2025 by Jim Belanger. He is the son of Gaetan Serré, who represented Nickel Belt from 1968 to 1972 under the government of Pierre Trudeau, and the nephew of another former Liberal Member of Parliament Benoît Serré.

Prior to his election to the House of Commons, Serré was manager of business services for EastLink's operations in Ontario, and served on the municipal council of West Nipissing and the Conseil scolaire de district catholique du Nouvel-Ontario. He was a candidate for mayor of Greater Sudbury in the 2010 municipal election,

In the House of Commons he served as Parliamentary Secretary. He was also the co-chair of the Indigenous Caucus with MP Robert-Falcon Ouellette. He was part of the largest Indigenous caucus in Canadian history elected in 2015.

In the 2025 Canadian federal election, he contested the new riding of Sudbury East—Manitoulin—Nickel Belt. In an upset he was defeated by Conservative candidate Jim Belanger by 5,007 votes.

At the time of the 2025 Canadian federal election, he lived in Verner, Ontario.

Offices and roles as a parliamentarian

Electoral record