Ann Miura-Ko is a co-founding Partner and Managing Director at Floodgate. See sector focus, stage focus and contact routes.
Ann Miura-Ko is a co-founding Partner and Managing Director at Floodgate, a seed-stage venture capital firm based in Menlo Park, California, where she previously worked as an analyst at Charles River Ventures and a business analyst at McKinsey [1][2][5]. She focuses on pre-seed and seed investments in artificial intelligence, cybersecurity, deep tech, enterprise software, and consumer internet, seeking companies with strong founders and innovative solutions [8]. Floodgate typically leads seed rounds, with Miura-Ko serving as the lead seed investor in notable companies like Lyft, on whose board she sat until 2023 [2][8]. Her portfolio includes early backing of Twitter, Twitch, Refinery29, Okta, TaskRabbit, and ModCloth, many of which she helped fund at the initial stage [2][9][10]. Miura-Ko is known for her distinctive "full-stack power" framework, which evaluates startups beyond product-market fit by assessing team power, proprietary secrets, and category-defining potential [11]. She is also a lecturer in entrepreneurship at Stanford University, a founding member of All Raise to improve diversity in venture capital, and a repeat member of the Forbes Midas List [1][5][6].
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