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,"Serre returns Nickel Belt to Liberals". Sudbury Star, October 19, 2015. 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,"Serre gets nod in Nickel Belt". Sudbury Star, February 22, 2015. and served on the municipal council of West Nipissing and the Conseil scolaire de district catholique du Nouvel-Ontario."Mayor's race getting pretty crowded" . Sudbury Star, August 18, 2010. He was a candidate for mayor of Greater Sudbury in the 2010 municipal election, but withdrew his candidacy in advance of election day."Callaghan faces uphill battle if he wants to unseat Rodriguez" . Sudbury Star, September 11, 2010.
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 42ndParliamentary Secretary to the Minister of Rural Economic DevelopmentJanuary 29, 2019September 11, 201943rdParliamentary Secretary to the Minister of Natural ResourcesMarch 19, 2021August 15, 202144thParliamentary Secretary to the Minister of Official LanguagesDecember 3, 2021November 30, 202244thParliamentary Secretary to the Minister of Official LanguagesDecember 1, 2022September 17, 202344thParliamentary Secretary to the Minister of Energy and Natural Resources and to the Minister of Official LanguagesSeptember 18, 2023February 21, 2025 44thParliamentary Secretary to the Minister of Energy and Natural ResourcesSeptember 18, 2023March 23, 202544thMember of the Joint Interparliamentary CouncilDecember 3, 2021March 23, 2025
Electoral record
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