firefox
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Jay Sullivan
Jay Sullivan is the CEO of Fandom, the world's largest fan platform with 350 million monthly visitors spanning wikis, gaming, movies, TV, and pop culture. A Yale-trained applied mathematician turned product visionary, Sullivan built his career shepherding the open web at Mozilla—where he served as SVP of Product, COO, and Interim CEO—before stints driving product at Groupon, Facebook's Reality Labs AI team, and Twitter's consumer and revenue products. Co-inventor of three US patents and co-founder of PhoneSpots (acquired 2007), he has spent two decades building platforms at mass scale. Since joining Fandom in February 2026, he is steering the company from a Google-traffic-dependent reference destination toward a real-time, AI-powered fan engagement platform.
John Lilly
John Lilly is a Venture Partner at Greylock Partners and former CEO of Mozilla Corporation, where he oversaw Firefox's growth from 7 million to 450+ million users. A Stanford-trained engineer turned VC, he has backed transformative companies including Dropbox, Figma, Instagram, and Discord, while staying rooted in civic technology as Board Chair of Code for America. He currently serves as a lecturer at Stanford GSB and Executive Fellow at Harvard Business School.