Guy Mossman

Guy Mossman is an American documentary cinematographer and director. He is known for his cinematography work on Buck, Bending the Arc (2017), and Feels Good Man (2020), and has lensed and co-directed the feature documentaries The Human Trial (2022) and Speak. (2025).

Life and career Mossman graduated from Colorado College in 1995, where he studied studio art and played on the men’s soccer team under longtime head coach Horst Richardson. In 1999 he produced his first short film while serving as a Peace Corps volunteer in Paraguay. He later pursued an M.A. in Journalism and Documentary Filmmaking at the University of North Carolina-Chapel Hill, where he was awarded a Park Fellowship in 2002. In the mid-2000s, he co-founded Vox Pop Films in Tribeca, New York, with his wife, filmmaker Lisa Hepner, producing documentaries like Women on the Frontlines (2004), which premiered at the United Nations and aired on PBS.

Mossman’s cinematography on Buck was noted at the Sundance Film Festival and in national reviews, with coverage in the Los Angeles Times. He contributed cinematography to documentaries including Bending the Arc (2017) and Feels Good Man (2020). He co-directed The Human Trial (2022) with Lisa Hepner, the film documents a stem cell clinical trial for Type 1 diabetes. It received a theatrical release followed by digital and VOD availability through Abramorama Films, with official materials listing Mossman as co-director and cinematographer. On television, he served as series cinematographer on NuvoTV’s Los Jets (2014).

In 2025, Mossman collaborated with director Jennifer Tiexiera on SPEAK., a feature documentary that follows five high-school orators through a nine-month season culminating at the National Speech & Debate Association (NSDA) Nationals. The film premiered in the U.S. Documentary Competition at the Sundance Film Festival and has attended over 85 festivals worldwide.

Thessaloniki Documentary Festival Special Mention

Sundance Film Festival Best Documentary

Nashville Film Festival Best Documentary Feature

Calgary International Film Festival Best International Documentary

Ad Hoc Docs Competition

FilmSlam Student Choice Award 2023

Humanitas Prize Best Documentary

2022

Mumbai International Film Festival Best Documentary Feature