Sergey Fayfer is an accomplished product leader currently serving as VP of Product at Microsoft AI. Previously, they held the position of Senior Director of Product at Headspace and founded Spellwise, which developed LLM-powered writing tools that were acquired by Perplexity. Sergey also led product initiatives at World Chess during the 2016 Championship and was a founder of Sayana, an AI-powered mental wellness company acquired by Headspace. Their diverse experience in product management spans roles at Replika and Yandex, where they contributed significantly to various innovative projects.
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