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Tom Freston
Tom Freston
Downfall: Axed as Viacom CEO in 2006 after Chairman Sumner Redstone grew disenchanted with him.

Today: Helping create a new cable operation to be called OWN (the Oprah Winfrey Network). Chairs ONE, the antipoverty campaign started by U2 frontman Bono, and joined Dreamworks's board. Also doing reconstruction work in Afghanistan.

NEXT: Stanley O'Neal
Last updated May 30 2008: 10:35 AM ET