Feature film director, writer, producer and editor Mary Sweeney enjoyed a longtime collaboration with David Lynch, beginning with Blue Velvet in 1986. She edited Twin Peaks Television (1990), Twin Peaks Fire Walk With Me (1992), Hotel Room, HBO (1993), Lost Highway (1996), The Straight Story (2000) and Mulholland Drive (2001), which earned her a British Academy Award for Best Editing. Sweeney wrote the screenplay for The Straight Story, for which Richard Farnsworth received an Academy Award nomination.
Her producing credits date to 1995 with Nadja, directed by Michael Almereyda, and include Lost Highway, The Straight Story, Mulholland Drive and Inland Empire (2006), directed by Lynch, and Baraboo (2009), her directorial debut based on her original screenplay. Baraboo won a Best First Feature prize at the Galway Film Festival and the jury prize for Best Feature and Best Director at the Wisconsin Film Festival.
Sweeney is the Dino and Martha De Laurentiis Endowed Professor at the School of Cinematic Arts, University of Southern California, where she teaches screenwriting.
She is a long time Board member of Film Independent, sponsor of the Spirit Awards and the Los Angeles Film Festival. She has a Master’s Degree in Cinema Studies from NYU, and actively serves the independent film making community in Los Angeles.