John Feldman (Writer, Camera, Editor, Narrator)

Feldman’s career spans over 40 years and covers a wide range of genres, from independent dramatic feature films and documentaries, to experimental, educational, and business films. His films have won numerous international awards. Feldman’s current film Regenerating Life looks at the climate crisis from an ecological perspective. Prior to this he made Symbiotic Earth (2018), a documentary about the maverick scientist Lynn Margulis, which combines his lifelong passions for filmmaking and the natural sciences. Since 2005 he has focused on making documentaries in the arts and sciences including EVO: Ten Questions Everyone Should Ask about Evolution (2011, CINE Golden Eagle; Parents Choice Award); Energy and You: Renewable Resources and Innovative Solutions (2009, commissioned by San Diego County Office of Education); The Little Plant that Could IS BACK (2013, about a community-based hydroelectric plant); and video portraits of Jessye Norman, Ming Cho Lee, Helen Frankenthaler, and Merce Cunningham (2007, commissioned for the Nelson A. Rockefeller Awards). His earlier feature fiction films include Alligator Eyes (1990, first prize at the San Sebastian International Film Festival), Dead Funny (1995), and Who the Hell is Bobby Roos? (2002, “New American Cinema Award” at Seattle International Film Festival).

Susan Davies (Hummingbird Films Producer

Susan Davies produced Regenerating Life (2023), Symbiotic Earth: How Lynn Margulis rocked the boat and started a scientific revolution (2018), EVO: Ten Questions Everyone Should Ask about Evolution (2011) and several other films for Hummingbird Films including Energy and You: Renewable Resources and Innovative Solutions for the San Diego County Office of Education (2009). She has a MA in Film Studies from San Francisco State University and has curated film exhibition series and festivals for Crandall Public Library, Spencertown Academy Arts Center, PS21 Chatham, and other venues.

Ann Tegnell (Associate Editor)

Ann Tegnell is an Academy Award and Emmy nominated producer/director and editor. Her work includes Elder Voices (2019), Hollywood Beauty Salon (2016), and The Barefoot Artist (2013). Before taking the ITVS supported Niños de la Memoria / Children of Memory (2012) to the Sundance Documentary Edit and Story Lab, Ann cut Independent Lens selection Mirror Dance (2005), Emmy nominated Knee Deep (2007), CINE Golden Eagle winner Ballycastle (2005) and Academy Award nominated Family Gathering (1989), which was broadcast on The American Experience. Her work has been broadcast nationally on PBS and screened widely, including at New York and Los Angeles premieres, The Chicago Independent Film Festival, the San Francisco and Philadelphia International Film Festivals, the Havana Film Festival, Margaret Mead Film and Video Festival, MOMA, the Whitney and Smithsonian museums. Ann previously collaborated with John Feldman and Susan Davies on Symbiotic Earth (2018).

Guido Alvarez (Motion graphics & Graphic Design)

Guido Alvarez was born in Cuenca, Ecuador. At 28 he was awarded a Fulbright Scholarship to study a MFA in Visual Communication and Design at Virginia Commonwealth University in Richmond, VA. where he also obtained his PhD in Media, Arts, and English Literature. He has worked as Design and Art faculty in several universities including Wenzhou-Kean University in China, the Domus Academy in Milan (Laureate Corporation), Saint Cloud State University in Minnesota, and Willamette University in Oregon. He continues to develop his illustration, graphic design, and art-making practices.

Rubén Duro Pérez (micro cinematographer)

Rubén Duro is a biologist, science communicator, photographer and independent producer of science and natural history documentaries and the founder of the Science into Images project. His images have appeared in scientific journals and popular science magazines (Symbiosis, International Microbiology, Contributions to Science, PLoS ONE, National Geographic, Investigación y Ciencia and Muy Interesante) and were included in the exhibition Microlife. Beyond the Human Eye (CosmoCaixa, 2012) and Science Friction: Living Among Companion Species (2021). His photography of the microbiological world was included in Symbiotic Earth (2018).

Sheila Silver (Composer)

Sheila Silver has written in a wide range of mediums, from solo instrumental to large orchestral works, from opera to feature film scores. Her recent opera, A Thousand Splendid Suns, based on the international best-selling novel by Khaled Hosseini, was premiered to rave reviews by the Seattle Opera in February 2023. 

Her honors include a Guggenheim Fellowship, the Sackler Prize in Opera; several Opera America awards; Bunting Institute Fellowship; Rome Prize; Prix de Paris, American Academy and Institute of Arts and Letters Composer Award and numerous grants and commissions. She is Professor Emeritus of Music at Stony Brook University. Sheila Silver and John Feldman have been married since 1988 and have one son, Victor Feldman. 
“Ms. Silver’s music is a Porsche – even at idle you feel the power under the hood.” (Post Alley)