John Lilly is a Venture Partner at Greylock Partners, bringing operator experience as former CEO of Mozilla. See portfolio, sector focus and contact routes.
John Lilly is a Venture Partner at Greylock Partners, bringing operator experience as former CEO of Mozilla and senior scientist at Apple, alongside over a decade advising startups and lecturing at Stanford[1][5]. He invests in seed through Series B companies across consumer health, health IT, enterprise software, software infrastructure, artificial intelligence, and consumer technology, primarily in the San Francisco Bay Area[1][5]. His typical check size ranges from $500,000 to $200 million with a sweet spot of $25 million, and he has led investments in major deals[1][2]. Notable portfolio companies include Figma, Discord, Roblox, Dropbox, Tumblr, and Instagram, with recent activity in Momento’s Series A[1][4][5][6]. Lilly holds seven U.S. patents and emphasizes building strong networks and investing in relationships, while advising entrepreneurs to stay close to professions that create and make things rather than derivative fields like finance[5][8][11]. He serves on multiple boards including Figma, Code for America, and Duolingo, and continues to lecture at Stanford Graduate School of Business[4][6][12].
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