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. 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. While specific check sizes and lead/follow behavior are not publicly detailed, he manages a portfolio of over 20 companies as an active investor. Notable named portfolio companies include Rippling, Brex, Notion, Robinhood, and Coinbase. 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. 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.
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