John Collison is an active angel investor who primarily targets early-stage (seed to Series A) technology startups. See portfolio and contact routes.
John Collison is an active angel investor who primarily targets early-stage (seed to Series A) technology startups in fintech, developer tools, and infrastructure, with a distinctive thesis focused on building foundational technology that other businesses depend on[1][2]. His known checks range significantly, including a $21M investment in Cognition and an average round size of approximately $25.38M, with a total known investment of $28.46M[1][4][7]. Notable portfolio companies include Cognition (AI infrastructure), AssemblyAI, Retool, Synthesia, and Rivan Industries (nuclear fusion), reflecting his focus on AI, financial infrastructure, and scientific progress[2][4][7].
Details on this investor come from filing and round data held in the StartupFundraising directory, refreshed on ingest. Founders use profiles like this one to qualify fit and to shortlist investors in San Francisco.
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