Marc 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,^[2] and the nephew of another former Liberal Member of Parliament Benoît Serré.

Marc Serré
Member of Parliament for Nickel Belt
In office October 19, 2015 – March 23, 2025
Preceded by	Claude Gravelle
Succeeded by	Jim Belanger
Personal details
Born	(1967-01-27) January 27, 1967 (age 58) Chelmsford, Ontario, Canada,
Political party	Liberal
Parent	Jeannine Serré & Gaetan Serré
Residence(s)	Verner, Ontario, Canada[1]
Education	Laurentian University
Website	https://voteserre.ca

Prior to his election to the House of Commons, Serré was manager of business services for EastLink's operations in Ontario,^[3] and served on the municipal council of West Nipissing and the Conseil scolaire de district catholique du Nouvel-Ontario.^[4] He was a candidate for mayor of Greater Sudbury in the 2010 municipal election,^[4] but withdrew his candidacy in advance of election day.^[5]

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.^[6]

Offices and roles as a parliamentarian

42nd	Parliamentary Secretary to the Minister of Rural Economic Development	January 29, 2019	September 11, 2019
43rd	Parliamentary Secretary to the Minister of Natural Resources	March 19, 2021	August 15, 2021
44th	Parliamentary Secretary to the Minister of Official Languages	December 3, 2021	November 30, 2022
44th	Parliamentary Secretary to the Minister of Official Languages	December 1, 2022	September 17, 2023
44th	Parliamentary Secretary to the Minister of Energy and Natural Resources and to the Minister of Official Languages	September 18, 2023	February 21, 2025
44th	Parliamentary Secretary to the Minister of Energy and Natural Resources	September 18, 2023	March 23, 2025
44th	Member of the Joint Interparliamentary Council	December 3, 2021	March 23, 2025

Electoral record

v t e 2025 Canadian federal election: Sudbury East—Manitoulin—Nickel Belt
** Preliminary results — Not yet official **
Party	Candidate	Votes	%	±%	Expenditures
	Conservative	Jim Belanger	29,129	48.33	+21.42
	Liberal	Marc G. Serré	24,122	40.03	+8.05
	New Democratic	Andréane Chénier	4,818	7.99	–22.35
	People's	Sharilynne St. Louis	1,423	2.36	–6.54
	Green	Himal Hossain	453	0.75	-0.98
	Libertarian	Justin Dean Newell Leroux	321	0.53	N/A
Total valid votes/expense limit
Total rejected ballots
Turnout			60,266	70.11
Eligible voters			85,955
	Conservative notional gain from Liberal		Swing		+6.69
Source: Elections Canada[7][8]

2021 Canadian federal election: Nickel Belt
Party	Candidate	Votes	%	±%
	Liberal	Marc Serré	17,353	35.2	-3.8
	Conservative	Charles Humphrey	13,425	27.2	+6.0
	New Democratic	Andréane Chénier	13,137	26.6	-8.6
	People's	David Hobbs	4,558	9.2	+6.8
	Green	Craig Gravelle	848	1.7	-3.7
Total valid votes			49,321
Total rejected ballots			364
Turnout			49,685	63.84
Eligible voters			77,823
Source: Elections Canada[9]

v t e 2019 Canadian federal election: Nickel Belt
Party	Candidate	Votes	%	±%	Expenditures
	Liberal	Marc Serré	19,046	38.99	-3.81	$96,428.93
	New Democratic	Stéphane Paquette	15,656	32.05	-5.73	$18,983.01
	Conservative	Aino Laamanen	10,343	21.17	+4.43	$7,684.88
	Green	Casey Lalonde	2,644	5.41	+2.93	none listed
	People's	Mikko Paavola	1,159	2.37	–	none listed
Total valid votes/expense limit			48,848	99.39
Total rejected ballots			298	0.61	+0.22
Turnout			49,146	64.17	-2.94
Eligible voters			76,585
	Liberal hold		Swing		+0.96
Source: Elections Canada[10][11]

2015 Canadian federal election: Nickel Belt
Party	Candidate	Votes	%	±%	Expenditures
	Liberal	Marc Serré	21,021	42.80	+28.74	$39,869.30
	New Democratic	Claude Gravelle	18,556	37.78	-17.20	$94,855.24
	Conservative	Aino Laamanen	8,221	16.74	-11.29	$14,060.79
	Green	Stuart McCall	1,217	2.48	-0.31	$3,772.22
	Marxist–Leninist	Dave Starbuck	98	0.20	+0.07	–
Total valid votes/Expense limit			49,113	100.00		$233,625.58
Total rejected ballots			192	0.39	–
Turnout			49,305	67.70	–
Eligible voters			72,828
	Liberal gain from New Democratic		Swing		+22.97
Source: Elections Canada[12][13]