Tom Drummond is the founder and Managing Director of Heavybit. See sector focus and contact routes.
Tom Drummond is the founder and Managing Director of Heavybit, a San Francisco-based venture firm and incubator for cloud infrastructure and developer-focused startups, where he has led the firm since January 2013 after over a decade in venture capital at RE Ventures. His investment thesis targets developer tools and infrastructure software, including cloud infrastructure and APIs, typically from pre-seed through Series A stages. He usually invests between $500,000 and $2.0 million per deal, with Heavybit commonly starting at $500k–$1M at pre-seed and scaling by round, often acting as a lead investor. Notable portfolio companies include Apollo GraphQL, Blockdaemon, Tailscale, and CircleCI, with investments spanning seed to Series D rounds. Drummond brings distinctive operational expertise, helping founders with early operations, financial reporting, fundraising, and go-to-market strategy, having previously deployed over $70 million across 20+ companies at RE Ventures. He holds a Master of Engineering in Electrical & Information Sciences from the University of Cambridge and has served as a board observer for Martini Media and SpaceCurve.
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