3. MEG WHITMAN

$6.3 billion  SOURCE: eBay AGE: 64 • RESIDENCE: Los Angeles SELF-MADE SCORE:  Whitman’s latest venture, short-form streaming platform Quibi, flamed out last year after only six months in operation. Still, the Silicon Valley veteran’s fortune continues to grow thanks to stakes in eBay and PayPal, which are up 34% and 61%, respectively, since September. While she has yet to take on a new executive role, Whitman joined General Motors’ board in March.