He is actually a clinician professor at the Faculty of medicine of Laval University, clinical researcher at the Research Centre of the Centre Hospitalier Universitaire de Québec and medical advisor to the province of Québec National Public Health Institute. His research interests are in environmental health, particularly indoor air quality and environmental microbiology (zoonoses, microbiological contamination of drinking water?). He has authored or co-authored near than 50 peer-reviewed scientific articles and book chapters.