Theo Osborne is the Managing Partner and co-founder of 9Yards Capital. See portfolio and contact routes.
Theo Osborne is the Managing Partner and co-founder of 9Yards Capital, an early-stage venture firm in San Francisco that oversees more than $150 million in assets, following prior investor roles at Initialized Capital and operations experience at technology startups after graduating from Stanford University[1][6]. His investment thesis targets early-stage developer tools, enterprise SaaS, fintech, and artificial intelligence infrastructure, with a primary focus on the United States and competitive technology markets[1][4]. While specific check sizes and lead/follow behavior are not publicly detailed, he manages a portfolio of over 20 companies as an active investor[1]. Notable named portfolio companies include Rippling, Brex, Notion, Robinhood, and Coinbase[1][4]. Osborne distinguishes himself with a public philosophy emphasizing long-term trust and founder hospitality, arguing that investors should treat founders as their primary customers rather than just serving limited partners[8]. He has also been cited as one of Europe’s best-known angel investors prior to founding his London venture firm, Force Over Mass Capital[5][7].
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