Nat is CEO of Collectors Holdings, a holding company focused on the collectibles industry. Collectors Holdings owns and operates leading services in collectibles such as PSA (trading card grading), PCGS (coin grading), Wata Games (video game grading), and Goldin Auctions.
Before Collectors Holdings, Nat was 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. Nat remains Chairman of Flatiron Health.
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.
An active angel investor since 2010, Nat has invested in over 250 startups, including BarkBox, Cedar, Clover Health, Color Genomics, Headway, Imagen, Immuta, Oscar, Philo, Plaid, Ribbon Health, Workrise, Vise, and Zipline. A full list of companies Nat has angel invested in can be found here.
Nat graduated from The Wharton School at the University of Pennsylvania. Nat is an avid golfer and collector of sports cards.