Peter Andreas Thiel (born October 11, 1967) is an American entrepreneur, venture capitalist, hedge fund manager, and social critic. Thiel co-founded PayPal with Max Levchin and Elon Musk (see PayPal Mafia) and served as its CEO. He also co-founded Palantir, of which he is chairman. He was the first outside investor in Facebook, the popular social-networking site, with a 10.2% stake acquired in 2004 for $500,000, and sits on the company's board of directors. Thiel serves as president of Clarium Capital, a global macro hedge fund with $700 million in assets under management; a managing partner in Founders Fund, a venture capital fund with $2 billion in assets under management; co-founder and investment committee chair of Mithril Capital Management; and co-founder and chairman of Valar Ventures. Thiel was ranked #293 on the Forbes 400 in 2011, with a net worth of $1.5 billion as of March 2012. He was ranked #4 on the Forbes Midas List of 2014 at $2.2 billion. Thiel lives in San Francisco.