10 Founders Backed by Donald Valentine (2026)

10 founders backed by Donald Valentine, with company, stage, and round detail. Includes Listen Labs and Two.

Donald Valentine founders (10)

Donald Valentine founders covers 10 founders on Delphi, Ethos and Graphiant and 7 other companies. The most common sectors are Fintech (3), AI Infrastructure (2) and Climate (1). Members are based in 7 cities, led by San Francisco, CA (4), Austin, Texas (1) and Hawthorne, CA (1). The remaining members span Developer Tools (1), Healthtech (1) and SaaS (1). Companies represented include Kalshi, Listen Labs, Nexad, Reflect Orbital, Skyramp, Strava and Two. Every founder below links to a profile with their company, backers, and the filings behind each round.

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•By Alejandro Cremades