20 of 50
20. Judy McGrath
20. Judy McGrath
Chairman and CEO, MTV Networks
Viacom (VIA)
2008 rank: 18
Age: 57

This media boss scored a coup with MTV Games' "The Beatles: Rock Band," a game that marks the first digital release of the band's music. Still, profits are down at parent company Viacom, whose stock is off 16% from a year ago.

NEXT: 21. Ann Moore
Last updated September 15 2009: 12:58 PM ET
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