The tech billionaire turned GOP megadonor is betting big on candidates who happen to be China hawks. : Peter Thiel — the Paypal co-founder, prime builder of Silicon Valley’s legacy, funder of an allegedly forthcoming conservative dating app called RightStuff, and one of the richest men in the world — will not stand for reelection this spring to the board of the company formerly known as Facebook, a role he has held since 2005.