Peter Andreas Thiel is a German-American billionaire entrepreneur and venture capitalist. He is a co-founder of PayPal, Palantir Technologies and Founders Fund. He was ranked No. 4 on the Forbes Midas List of 2014, with a net worth of $2.2 billion, and No. 328 on the Forbes 400 in 2018, with a net worth of $2.5 billion.   Peter Thiel is on the Board of Directors of Facebook and is the author of the highly acclaimed book on entrepreneurship,  "Zero to One:  Notes on Startups, or How to Build the Future."