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Chairman and CEO, Koch Industries
2004-08 Giving* $246 million
New to list David Koch's older brother, Charles Koch focuses on libertarian causes, giving money for academic and public policy research and social welfare around strict conservative ideals. He co-founded the Cato Institute and contributes to groups such as the Institute for Humane Studies at George Mason University. Other recipients of Koch's charity include Florida State University, Mercatus Center at George Mason University, the Bill of Rights Institute, Big Brothers Big Sisters, Salvation Army, and Koch Cultural Trust (formerly Kansas Cultural Trust).
For more, visit the Charles Koch Foundation topic on Business Exchange.
*Based on public records and interviews with donors
Data: BusinessWeek, The Chronicle of Philanthropy and the Center on Philanthropy at Indiana University