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Hayley Kay is a Sound Designer and Audio Engineer based in San Francisco with 8 years of professional experience across post-production, broadcast, and brand content. Her work spans sound design, dialogue editing, music editing, and final mix for commercial, documentary, and narrative formats — for brands such as Rivian Automotive, Patagonia, Arc'teryx, Toyota, and Harvey AI.
She believes sound is as essential to storytelling as any other element of filmmaking — and that the best sound design is the kind you feel before you consciously hear it. Every project gets the same treatment: soundscapes built from instinct and intention, obsessive attention to detail, and results that clients come back for.
Her film work has been recognized at some of the world's most respected festivals. As sole post-production audio mixer on Still Alive, she contributed to a film that won 20 awards across 18 festivals — including the Special Jury Award at the New Zealand Mountain Film Festival, Best Sports Documentary at Dolomiti Film Festival, Prix du Public and Prix "By Fair Means" at Chamonix Film Festival, Best Climbing Film at the 21st Kraków Mountain Festival, and Best Adventure Film at Durango Independent Film Festival, among others. Recent short film work including Betty St. Clair and When Memory Becomes Sound is currently making its rounds on the festival circuit with selections at San Francisco International Film Festival, Palm Springs International Short Fest, Hollywood Shortsfest, and Toronto Indie Shorts, among others.