Co-President & Co-Founder
David is a film, TV and music producer who co-founded Green Hummingbird in 2014 as a boutique studio to develop and produce thought-provoking storytelling. Prior, David served as the President of National Geographic Entertainment, the President of Palm Pictures, and as a music producer, producing movie themes such as the Grammy-nominated theme from Mission Impossible, Smoke Signals and Mortal Kombat. He also recorded with artists such as Joe Cocker, Julian Lennon, Southside Johnny, Roy Buchanan, Madonna and Peter Gabriel.
David is a producer on all of Green Hummingbirds feature films, episodic television, and documentary projects including Submergence (James McAvoy/ Alicia Vikander), All Nighter (J.K. Simmons, Emile Hirsch), Angels (Lionsgate/Kelly Fremon Craig), The Dragon (written by Academy Award-winner Geoffrey Fletcher), Vanguard-1 and feature documentaries e.g Kenny Scharf: When Worlds Collide, HERE. IS. BETTER. and The Experiment. Additionally, David has teamed up with artist Gregory Colbert (Ashes and Snow) on his upcoming exhibitions and serves on the Board of Directors of The Blue School.
Sian is an Emmy award winning producer, writer, and director who has created and delivered a comprehensive range of film, television and web content for networks including HBO, the BBC, National Geographic, and Channel 4.
Sian began her career running production for international companies working in the United States. She worked on a wide range of programming, including the BBC’s investigative documentary series Panorama, So Graham Norton, 2000 Today, Absolutely Fabulous in New York, and Channel 4’s Da Ali G Show.
As a partner at Teale Edwards Productions she produced over a hundred hours of programming including eight seasons of Everyday Italian for which she won a Daytime Emmy for Outstanding Lifestyle Program in 2003. Sian served as co-director and co-producer on the National Geographic documentary, The Dalai Lama: Peace and Prosperity, which premiered at the Tribeca Film Festival. She also executive produced Hacking Democracy for HBO, which was nominated for an Emmy for Outstanding Investigative Journalism.
Sian is passionate about every aspect of content development and production and she is currently the Co-CEO at Green Hummingbird Entertainment where she has just completed the documentary feature HERE. IS. BETTER. with director Jack Youngleson and is in production on the documentary feature The Experiment.
Director of Development
Max graduated from Yale with a B.A. in Architecture. There, he directed several short documentary films and wrote screenplays. As an inveterate late-night film watcher and lifelong moviemaker, Max is interested in all aspects of storytelling.
Co-Founder of Green Hummingbird Entertainment. Sarah is an Emmy award winning film producer, an organic farmer, and activist for environmental, educational, and gender issues. Sarah has served as a producer, or executive producer, on notable recent films including, Birdman (Academy Award for Best Picture), The Glorias (Sundance 2020), Spaceship Earth (Sundance 2020), The Immigrant, Submergence, Blood Ties, Devil’s Knot, Joe, Catch and Release, Lost Child, The Green Inferno, etc. Her social issue documentaries include The Great Hack, the Academy Award nominated The Square, Chasing Ice, The Invisible War, The Hunting Ground and Living in Emergency: Stories Of Doctors Without Borders.
Sarah holds a BS in Biology and is on the boards of St. Lawrence University and Conservation South Africa. She also Chairs the board at Lamont Doherty Earth Observatory at Columbia University. She is currently, amongst other projects, directing The Experiment, a film about campaign finance reform and its effect on our democracy.