In 2019, Mathieu Bellavance joined the multidisciplinary Pyrotech BEI team as a a forensic engineer, mechanical expert. He holds a degree in Mechanical Engineering Technology from Cégep du Vieux Montréal and a Bachelor's degree in Mechanical Engineering from École de Technologie Supérieure in 2005.
As part of the Pyrotech BEI team, Mathieu carries out technical investigations mainly related to the field of mechanics, including road transport vehicles, and carries out expert reports.