After working at Canadian International Paper in the 1980s, Stéphane Lauzon decided to return to school in 1992 to complete a teaching certificate and then worked in the field of vocational training for over 20 years. He became a City of Gatineau municipal councillor in November 2009. Recently, he managed construction projects at a company that he started himself, in addition to his duties as municipal councilor.

These duties included sitting on the Capital Property and Budget Committee, the Standing Committee on Housing, and the Committee on Seniors. In 2012, he became Chair of the Sports, Recreation and Community Life Committee and was Vice-Chair of the 2015 Jeux de la francophonie.

He is currently working towards a Bachelor of Business Administration at Université du Québec en Outaouais.

Mr. Lauzon is currently Parliamentary Secretary to the Minister of Veterans Affairs and Associate Minister of National Defence.