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Keith Hamlin is the Co-Founder and Managing Partner at Third Prime, an early-stage venture capital firm based in New York City. Before establishing the investment firm in 2016, he worked as a corporate attorney at Simpson Thacher & Bartlett LLP, where he advised large private equity clients on complex mergers, acquisitions, and capital markets transactions. Hamlin also gained foundational financial experience working as an investment banking analyst at a boutique advisory group, providing him with a dual legal and financial perspective on venture capital. He holds a Juris Doctor from Harvard Law School and a Bachelor of Arts in Public Policy Studies and Genetics from Duke University. Currently, Hamlin focuses on directing seed-stage capital allocations across the financial technology, property technology, and cryptocurrency sectors, leveraging his multidisciplinary expertise to evaluate and support emerging technology enterprises.
Keith Hamlin is a distinguished Managing Partner and co-founder at Third Prime, an early-stage venture capital firm renowned for its strategic investments in groundbreaking technology companies. As a key leader at Third Prime, Keith plays a pivotal role in identifying, evaluating, and nurturing promising startups from their Seed to Series A stages. His expertise is instrumental in shaping the firm's investment thesis and driving its mission to back visionary entrepreneurs building the next generation of industry leaders.
Third Prime, under Keith's guidance, focuses on a diverse range of sectors poised for significant disruption. His investment interests primarily span fintech, enterprise software, consumer technology, and healthcare. Keith is particularly drawn to companies that leverage innovative technology to solve complex problems, create new market opportunities, and demonstrate strong potential for scalable growth. He is known for his hands-on approach, working closely with founders to provide strategic guidance, operational support, and access to critical resources that accelerate their development.
Before co-founding Third Prime, Keith Hamlin built an impressive career in the venture capital and private equity landscape. For over a decade, he served as a Managing Director at Insight Venture Partners, a leading global private equity and venture capital firm. At Insight, Keith specialized in growth equity investments, focusing on high-growth software and internet businesses. His tenure there provided him with invaluable experience in scaling companies, executing complex transactions, and identifying market leaders. Prior to Insight, Keith gained foundational experience at Morgan Stanley, further solidifying his financial acumen and understanding of market dynamics.
Keith's extensive background in both growth equity and early-stage venture capital gives him a unique perspective on the entire lifecycle of a startup. He understands the challenges and opportunities companies face at every stage, from initial product market fit to rapid expansion. This comprehensive insight allows him to be a highly effective partner for founders, offering guidance that is both strategic and practical. His leadership at Third Prime continues to reinforce the firm's reputation as a founder-friendly investor committed to long-term success. Through his thoughtful investment strategies and dedication to supporting innovative ventures, Keith Hamlin remains a significant figure in the early-stage technology investment ecosystem.
Keith Hamlin is a Managing Partner and co-founder at Third Prime, an early-stage venture capital firm. He is a seasoned investor with a strong background in growth equity and a focus on transformative technology companies.
Keith Hamlin primarily invests in early-stage technology companies across sectors such as fintech, enterprise software, consumer technology, and healthcare. He seeks out disruptive innovations and visionary founders.
Keith Hamlin works as a Managing Partner at Third Prime, an early-stage venture capital firm he co-founded. Third Prime is based in New York City.
