Peter Andreas Thiel is an American entrepreneur, venture capitalist, philanthropist, political activist, and author. 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. 315 on the Forbes 400 in 2017, with a net worth of $2.6 billion.