19 Founders Backed by Union Square Ventures (2026)

19 founders backed by Union Square Ventures, with company, stage, and round detail. Includes Isembard and Pluralis Research.

Union Square Ventures founders (19)

Union Square Ventures founders covers 19 founders on Somos Internet, Blackbird and Bolt.Earth and 15 other companies. The most common sectors are AI Infrastructure (5), Climate (3) and SaaS (3). Members are based in 12 cities, led by San Francisco, CA (4), New York, NY (3) and London, UK (2). The remaining members span Fintech (2), Telecommunications (2), E-commerce (1), Healthtech (1), Media (1) and Robotics (1). Companies represented include Doctronic, Efficient Computer, Electroflow Technologies, Isembard, Morse, Numerai, Ostrom, Pluralis Research, Presto, Relay, Reservoir and Reservoir (Relay), plus 3 more. Every founder below links to a profile with their company, backers, and the filings behind each round.

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