Jack Groetzinger is a Founder Partner at Founder Collective who invests $400K–$2M (sweet spot $1M) in Pre-seed. See sector focus and contact routes.
Jack Groetzinger is a Founder Partner at Founder Collective who invests $400K–$2M (sweet spot $1M) in Pre-seed and Seed-stage companies across sectors including consumer technology, marketplaces, SaaS, fintech, advertising, hardware, IoT, and health IT. His notable portfolio includes Cardless, RankScience, Truework, and Troops, all of which received Seed funding. Groetzinger’s investment thesis is shaped by his entrepreneurial background as SeatGeek’s co-founder and CEO, emphasizing founder-first support for early-stage innovators building consumer-facing and enterprise technologies.
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