Catherine Gentilcore

Catherine Gentilcore (born October 19, 1985) is a Canadian politician, activist, and manager, who was elected to the National Assembly of Quebec in a 2025 provincial by-election. She represents the electoral district of Terrebonne as a member of the Parti Québécois (PQ). She has been president of the PQ since October 29, 2023.

Biography Catherine Gentilcore holds a bachelor's degree in classical singing. She also pursued graduate studies in journalism at the Université de Montréal and in marketing communications at HEC Montréal. Catherine Gentilcore was marketing director of the Montreal daily newspaper Le Devoir, the Opéra de Montréal and C2 Montréal, before assuming the position of President and CEO of Numana, a company working in the field of digital technologies.

Gentilcore is an advocate for Quebec independence. She promotes engagement with Anglophones for the cause of sovereignty.

She became vice-president of the National Executive Council of the Parti Québécois in December 2021 and was elected president of the political party in October 2023.

On March 20, 2024, Catherine Gentilcore asked the Director General of Élections Québec to investigate the compliance with the law of certain donations from elected officials and municipal administrators to the Coalition avenir Québec, the political party forming the government.

On November 28, 2024, the Parti Québécois announced that Catherine Gentilcore would be the party's candidate in the by-election in the riding of Terrebonne. The main issue in the campaign was the United States trade war with Canada and Mexico. She was the main challenger to the incumbent CAQ which had held the seat since 2018. She won the seat in a gain for the PQ. After her election she became the only PQ woman MNA. She was joined after the 2026 Chicoutimi provincial by-election by Marie-Karlynn Laflamme.

Electoral history