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Nat Turner

General Partner

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Nat Turner is co-founder and CEO of Flatiron Health, a technology company focused on the oncology industry. Flatiron Health’s mission is to improve lives by learning from the experience of every cancer patient.  Flatiron Health was acquired by Roche in 2018.

Before co-founding Flatiron Health, Nat was co-founder and CEO of Invite Media, an advertising technology company based in NYC. Invite Media built the industry’s first enterprise advertising platform for buying and optimizing online media in real-time. Invite Media was acquired by Google in 2010.

Nat is also Executive Chairman of Collectors Universe, a leading provider of value-added authentication and grading services to dealers and collectors of collectibles. Nat led the take private acquisition of Collectors Universe in 2021 alongside D1 Capital Partners L.P., Cohen Private Ventures, LLC, TCG and other investors.

An active angel investor since 2010, Nat has invested in over 250 startups, including BarkBox, Cedar, Clover Health, Color Genomics, Headway, Imagen, Immuta, Klara, Oscar, Philo, Plaid, Ribbon Health, RigUp, Vise, and Zipline. A full list of companies Nat has angel invested in can be found here

Nat earned a Bachelor of Science cum laude in economics with concentrations in entrepreneurship and marketing from The Wharton School at the University of Pennsylvania.  Nat is an avid golfer and collector of sports cards.