Marc S. Grenier has made his mark directing commercials over the past 15 years. His spots for Le Cirque du Soleil, Loto-Québec, McDonald's Restaurants and Le Chateau Boutiques have earned critical acclaim, both in the U.S. (Mobius, Batchi, Monitor Awards, Communication Arts Magazine Award, Art Directors Club Award), and in Canada alike (Marketing, TVB Awards, Publicity Club of Montreal).

Marc S. Grenier founded Barøque, a Film and Television production company in 2011.

Subsequent to directing the 1997 short, Souleyad (1997), Marc directed two features - Fatal Affair (1998) and Revenge (2000) - along with two made-for-TV series - 'The Happy Castle' and 'Misguided Angels'. He co-produced Xchange (2001) _XChange (2000), a feature film for the HBO network, and he directed two other features: Dead Awake (2001), starring Stephen Baldwin, and Hidden Agenda (2001), starring Dolph Lundgren.