William Zitser is a seasoned editor and post-production specialist based in Miami. With over 20 years of experience, he’s delivered award-winning campaigns and built in-house post-production teams for top advertising and PR agencies. His deep understanding of the creative process brings ideas to life through striking visual storytelling.

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William has collaborated with acclaimed directors, agencies, and production companies across feature films, documentaries, commercials, music videos, fashion shorts, multi-screen, and interactive installations. Brands like Kate Spade, Walmart, Mercedes-Benz, Hershey’s, and Cheerios have trusted his editorial vision to create emotionally resonant campaigns.

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His long-form credits include Heart Felt, a documentary directed by Oscar-winner Cynthia Wade, and Thievery Corporation: Live at the 9:30 Club, a genre-bending concert film produced with the band.

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Originally from Venezuela, William began his career in New York in 2003 and quickly earned a place at the renowned jumP NYC. Later, as co-founder of KYLE Edit, he helped expand their English and Spanish-language portfolio. Fluent in Spanish and English, William brings cross-cultural insight to every project.

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Alongside his creative work, William is also a certified coach specializing in grief, shadow work, and psychedelic integration, helping others navigate loss and transformation with presence and purpose.