288. Jeff Rothschild
$2.8 billion ^ self-made score: source: facebook
age: 62 residence: Palo alto, calif. m.s., vanderbilt ’79 The former Facebook vice president (and cofounder of Veritas Software) donated $10 million to the Stanford Cancer Institute in July to advance cancer cell therapy—a new form of treatment—and in 2016 donated $20 million to his alma mater, Vanderbilt, where he’s a trustee.