Peter Thiel. For 39-year-old Vance, the now-Ohio senator picked by Donald Trump on Monday to be his running mate in the Republican Party's battle for the White House, a career in politics — let ...

At 57, Peter Thiel – who is now worth about $17 billion — knows a thing or two about success. He successfully co-founded PayPal, Palantir Technologies, and even invested early in Facebook.