33. ANNE DINNING
$850 million SOURCE: Hedge funds AGE: 58 • RESIDENCE: New York City SELF-MADE SCORE: A computer scientist by training, Dinning joined quantitative hedge fund firm D.E. Shaw after getting her doctorate at New York University in 1990. The Seattle native is now part of a six-person committee that jointly runs D.E. Shaw. Dinning sits on the boards of New York City anti-poverty charity Robin Hood and education nonprofit Math for America.