Stéphane Dumonceau is a multiple award-winning editor, director and producer whose work spans commercials, music videos, documentaries, and film.
After studying film at San Francisco State University and NYU, he began his career at FCB San Francisco, cutting live action, claymation, and animation campaigns for Fox Sports, Sega, Levi’s, and MTV. He went on to work at Mad River Post in New York for six years, Final Cut in New York and Los Angeles for five years, and most recently at Cosmo Street Editorial.
Stéphane has built a reputation across both comedy and drama, collaborating with some of the industry’s most distinctive directors, including Errol Morris, Mark Romanek, Spike Lee, Wes Anderson, Christopher Guest, Michel Gondry, David Gordon Green, Derek Cianfrance, JJ Adler, Traktor, Ramaa Mosley, The Perlorian Brothers, Frank Todaro, Henry Alex Rubin, David Slade, Peter Thwaites, Nicolai Fuglsig, Fredrik Bond, Paul Hunter, The Malloys, and Michael Haussman. His work spans major global brands such as Levi’s, Nike, ESPN, Budweiser, and EA, in collaboration with leading agencies including Wieden+Kennedy, Droga5, 72andSunny, BBH, Mother, CPB, McCann, Deutsch, The Martin Agency, and Anomaly.
His work has been recognized by both AICP and AICE, with campaigns airing during the Super Bowl, Academy Awards, Grammys, and MTV Music Awards. He has won Lions at Cannes, received Emmy nominations, and has had his sound design recognized by publications such as SHOOT Magazine.
His most recent feature film projects include consulting editor and associate producer on the upcoming Netflix film City of Gold (2026), and lead editor on Collision (2022), both directed by Fabien Martorell. Collision was a Top 10 most-streamed film globally on Netflix in its first three weeks of release, reaching #3.
In addition to his editorial work, Stéphane is an award-winning director and producer whose projects include the shorts Best Man Wins and Rufus, as well as commercial campaigns for brands such as Twitter, Microsoft, EA, K-Y, Barnes & Noble, and the Mill Valley Film Festival. He previously directed commercials at Moxie Pictures.
More recently, Stéphane has been bringing his deep roots in traditional filmmaking into the emerging world of AI, applying the same editorial rigor, storytelling instincts, and cinematic sensibility to a new generation of photoreal, narrative-driven work. His approach combines decades of experience in performance, pacing, and visual storytelling with next-generation creative tools, exploring how AI can extend — rather than replace — the craft of filmmaking