Jean-Olivier Bégin discovered his passion for film scoring during a trip to Los Angeles as part of the Henry Mancini Summer Education Program at UCLA.  He then moved to New York for 4 years to immerse himself in studying film music while completing a Master's degree at the Manhattan School of Music.

With his first soundtrack for the short film Operated by Invisible Hands, he won an Emmy Award for Best Composition at the 29th Annual College TV Awards in Hollywood.  Jean-Olivier is since returned to his native Montreal to pursue his career as a composer.  He has written music for many projects broadcast on CBC, TVA, Discovery, Historia, and Canal D, as well as for the RIDM, RVCQ , Hot Docs and Fantasia festivals.  In 2017 he won a first Gemini Award in the category "Best Original Music: Documentary" for the music of Conte du Center-Sud.

On stage, he accompanied many artists, including Martha Wainwright, Radio Radio, Damien Robitaille, The Barr Brothers, and The Planet Smashers . He also teaches film music at the University of Quebec at Montreal.