Mathieu is a PhD student under the supervision of Dr. Andrew Pinto at the Dalla Lana School of Public Health (in the Social and Behavioral Health Sciences division). His project explores the role of peer-support initiatives in improving access to primary care for people experiencing homelessness. Mathieu is also a practicing family physician and an Assistant Clinical Professor at the Université de Montréal Department of Family and Emergency Medicine. He works in a community-based family medicine teaching unit and family health team in downtown Montreal. He is also part of a community clinic delivering care to people experiencing homelessness. Apart from medicine, he also studied Social Work and worked as a community worker in different community organizations. He completed a Master’s degree in Medical Anthropology from McGill University (2020) and received his Medical Degree from Université de Montréal (2015).