Sean O'Neil

Sean O’Neil is a Cinema Audio Society award winning location sound mixer who loves working on cinéma vérité documentaries, narrative films, episodic television, commercials, sound design, podcast producing, music engineering and composition. After graduating with a degree in filmmaking from New York University, he has spent a large part of his career traveling the world recording sound in over twenty countries for the acclaimed British Broadcast Corporation’s documentary unit. 

Sean was part of the sound mixing team on the Academy Award winning documentary short The Only Girl in the Orchestra as well as the Academy Award nominated feature length documentary RBG. 

Sean was awarded the prestigious Cinema Audio Society’s (C.A.S.) Outstanding Achievement in Sound Mixing for David Bowie: Finding Fame. He was nominated for a C.A.S award for Outstanding Sound Mixing For Television for his work with Sir Paul McCartney on the documentary Wingspan. He was part of the sound team for the C.A.S. Award winning film 32 Sounds which included the use of his ambisonic and binaural recordings.

In addition to being part of the BAFTA winning sound team for David Bowie: Five Years, Sean was personally nominated for a British BAFTA award for Best Sound Mixing: Factual for David Bowie: The Last Five Years. He has worked with multiple BAFTA, Emmy, Golden Globe and Sundance Award winners, and has had the privilege of mixing sound for 24 Academy Award nominated or winning filmmakers. They include the late Sydney Pollack and Mike Nichols in addition to Walter Murch, Laura Poitras, Joe Berlinger, Julie Taymor, Liz Garbus, Roger Ross Williams, Julie Cohen, Betsy West, Skip Lievsay, Molly O’Brien, Lisa Remington, Mark Mangini and Sam Green amongst others.  

He has engineered musical multi-track performances for Sir Paul McCartney, Bjork, Allen Toussaint, Blossom Dearie, Dr John, The Strypes, Itzhak Perlman, Helen Huang, Mose Allison, Rickie Lee Jones, Steve Earle, and the Jurassic 5 amongst other musical performers.