Laurent Marcoux obtained his MD from Université Laval in Quebec City in 1973. He founded the Centre Médical Saint-Denis-sur-Richelieu in 1976, where he worked as a family physician for 32 years.
Dr. Marcoux has held numerous leadership roles, both at the regional and provincial levels. In 2017–18, he served as CMA president, and he was a member of the CMA Board of Directors for seven years. He was president of the Québec Medical Association in 2013–15. He was also a representative of his region at the Council of the Fédération des Médecins Omnipraticiens du Québec for more than 10 years.
In 2000, Dr. Marcoux completed a Master’s in Administration at the Université de Montréal, and he has since worked as the director of medical affairs and professional services at Anna-Laberge Hospital in Châteauguay and as an advisor for the Cree Board of Health and Social Services in the James Bay region.