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34. Salman Khan - Tie
Founder and executive director, Khan Academy
Age: 34
Rank change: New
Industry: Nonprofit

The former hedge fund manager's virtual school caught the eye of Bill Gates, John Doerr, and now Google, which gave him $2 million. Traffic to Khan's tutorial videos has doubled in the past month to 150,000 video views a day.

NEXT: 35. Adam Palmer
Last updated October 14 2010: 1:25 PM ET
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