No. 20. Judy McGrath :: 50 Most Powerful Women
Judy McGrath Chairman and CEO, MTV Networks Viacom (VIA) 2008 rank: 18 Age: 57 This media boss scored a coup with MTV Games' "The B...

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.