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THE TEAM
LIA MAYER – SOMMER
FOUNDER AND PRODUCER
Lia Mayer-Sommer is an award-winning producer of music videos, commercials and films. She has collaborated with visionary directors Jonah Hill, Chris Cunningham, Richard Ayoade, and Noam Murro among many others; celebrities Dua Lipa, Jerry Seinfeld, Lorde, 50 Cent, NAS, and Harry Styles; as well as global brands such as Adidas, Airbnb, Sprite, Etsy, Coca-Cola, LG, and Delta Airlines to name a few. The music video that she produced for Bob Dylan’s iconic song “Like A Rolling Stone” was hailed an “interactive masterpiece” by Wired Magazine and won 4 Gold Lions. The feature film she exec produced “Saturday Church” directed by Damon Cardasis, premiered in competition at Tribeca 2017, and got a NY Times Critics Pick on its opening weekend. The documentary she produced “Derek Delgaudio’s In & Of Itself” directed by Frank Oz and exec produced by Stephen Colbert, premiered at SXSW 2020 and is currently streaming on Hulu to rave reviews. She founded production company Walter Pictures and divides her time between New York, Los Anegeles, and Tel Aviv.
Camila Grimaldi is an Argentine-American director, producer, and writer based in Brooklyn. She graduated from NYU Tisch School of the Arts with a degree in Film & TV Production and a love for every element of storytelling.
Adam Chitayat is a New York based producer, director and editor. At Walter Pictures, he has helped produce notable commercials and music videos. He has also produced work for companies such as D’Addario, Masterclass and Full Circle, as well as assisting on feature films. He graduated from the Rochester Institute of Technology with a degree in Film & Animation and an International Relations minor. He has directed commercials, music videos and several shorts that have played on the festival circuit.
Courtenay Johnson is a producer, director, and writer living in Brooklyn. At Walter Pictures, Courtenay produced noteworthy music videos for Dua Lipa and Baby Keem. She produced the feature films After Class and This Teacher and has films in development. Courtenay has also directed music videos and short films and joined the DGA in 2019. Her short film Last Requests premiered at the Palm Springs International Film Festival and screened at multiple film festivals around the globe, including the Woodstock Film Festival. Prior to her producing and directing career she worked for Bennett Miller, Catherine Keener, Clive Owen, Piper Perabo and Don Roos.
Macha Tsarenkov is a French producer, director and editor based in New York City. She graduated in Art History and English from The Catholic Institute of Paris. At Walter Pictures, Macha produced and supervised the post-production of critically acclaimed music videos for bands such as The Avalanches, Sofi Tukker, Bomba Estero, Vancouver Sleep Clinic. She also freelance produced work for companies such as Crocs, VIPP, Real Simple, among others. In addition to producing, she directs and edits documentaries that focus on cultural and social issues. She’s currently producing her first feature film.