Maude Marquis-Bissonnette holds a Ph.D in public policy from Carleton University in Ottawa, a master's degree from the “École Nationale d’Administration Public” (ÉNAP) in Montreal and a bachelor's degree in political science from the University of Montreal. She has worked as a strategic planner at the regional level, while having numerous mandates with public organizations as a consultant too. In 2017, she was elected municipal councilor for the city of Gatineau, in the Plateau district. During her tenure, she dealt with numerous major issues, including the territory development, the environment, the housing issue, and the social economy. Involved in the community with local organizations, she also served as vice-president of the Centre de pédiatrie sociale de Gatineau.
From June 2022 to June 2024, Maude Marquis-Bissonnette held the position of assistant professor in municipal management at the "École Nationale d’Administration Publique" (ÉNAP). She was also a political analyst on the ICI Radio-Canada newscast as part of the National Capital Panel from January 2023 to April 2024.
Maude Marquis-Bissonnette was elected mayor of Gatineau on June 9, 2024.