Benoit Arsenault is currently working as Professor in the Department of Medicine at Laval University. He is also a researcher at the Research Center of the University Institute of Cardiology and Pulmonology of Quebec (IUCPQ). Based on molecular epidemiology, his research work aims to identify, characterize and understand how individual and environmental risk factors interact with each other in the development of chronic diseases and human longevity. His work, funded by the Canadian Institutes of Health Research, also focuses on the study of the genetic determinants of certain heart valve diseases and cardiometabolic diseases such as non-alcoholic fatty liver disease.

Benoit obtained his bachelor's degree in biochemistry in 2004 and his doctorate in physiology-endocrinology from Laval University in 2009.