By IBTimes Staff Reporter | November 29, 2012 5:43 PM IST

Top 10 Billionaires Who Have Signed The Giving Pledge [PHOTOS]

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Carl Icahn, chairman of Icahn Enterprises, is into several charitable activities. He has founded three charter schools in the South Bronx and supports a scholarship programme at Choate. He also runs Icahn House that houses homeless pregnant women and single mothers. (REUTERS/Chip East)