Phil Yoon is the founder and Managing Partner of Big Basin Capital. See sector focus and contact routes.
Phil Yoon is the founder and Managing Partner of Big Basin Capital, a venture firm he established in 2013 to bridge early-stage startup markets between the United States and South Korea. Before founding Big Basin, he served as Investment Director at Walden International and previously worked at Intel Capital, building expertise in cross-border venture investing. His investment thesis targets seed-stage companies across consumer applications, e-commerce, enterprise software, digital content, education technology, gaming, fintech, AI, and healthcare in both Korea and the US. While specific check sizes and lead/follow behavior are not publicly detailed, the firm has invested in over 40 startups and made 74 total investments, including a Series A in Dentlink in March 2025. Notable portfolio companies where Yoon serves on the board include Kong Studios, Gopizza, ODK Media, Goodtime, Swingvy, and Classum. A distinctive aspect of his background is his prior career as a software engineer at Neolinear and his role as an Adjunct Professor at KAIST from 2018 to 2021, where he advised entrepreneurs.
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