BARRY DILLER AND DIANE VON FURSTENBERG
Net worth: $4 B Nationality: American Year of signing: 2010 Source of wealth: Online media
Barry Diller founded internet and media conglomerate IAC in 1995. He is also chairman of travel tech company Expedia, which spun off from IAC in 2005, in which he has a 3.4% stake.
"I don't think there's another group like it anywhere—a room full of very complex personalities— of drive and aspiration—of ego and curiosity—all engaged in wanting to help solve problems for others."