Mtre Prévost earned a law degree from Université de Montréal and was called to the Bar in 1975. He articled at Forget Rochon, which later became Prévost Fortin D'Aoust. He has practiced at the firm ever since.
Through the years, Mtre Prévost has acquired specific expertise in municipal and environmental law, specializing in expropriation and property assessment. He has argued cases before all instances, including the Supreme Court of Canada. He has also provided training to municipal officials and administrators.
Very active in his community, Mtre Prévost has been a member of the board of directors of the Caisse Desjardins de Saint-Jérôme since 1990 and sits on the institution's human resources committee. He is also involved in the fundraising campaigns led by Centraide Laurentides and the Maison de soins palliatifs de la Rivière-du-Nord.