Peter Thiel is a technology entrepreneur, investor, and philanthropist. In 1998, Thiel cofounded PayPal, which he sold to eBay in 2002, and founded the global macro fund Clarium. In 2004, he co-founded Palantir Technologies. That same year, he made the first outside investment in Facebook; he currently serves on its board. Thiel co-founded and manages Founders Fund, a leading venture capital fund that has pioneered new methods of venture financing that benefit founders. Through Founders Fund, as well as through private investing, Thiel has aided the growth of companies such as SpaceX, LinkedIn, Yelp, Zynga, RoboteX, Spotify, Practice Fusion, and ZocDoc. In 2012, he co-founded Mithril Capital Management, an international technology investment fund. He also established and funds the Thiel Foundation, which defends freedom in all its forms and helped launch the Václav Havel International Prize for Creative Dissent. Thiel is the creator of the 20 Under 20 Thiel Fellowship and the author of several publications including “Zero to One: Notes on Startups, or How to Build the Future," a book co-written with Thiel Foundation president Blake Masters.