David Rubenstein
David Mark Rubenstein is an American financier and philanthropist best known as cofounder and cochief executive officer of The Carlyle Group, a global private equity investment company based in Washington D.C. He is also currently serving as chairman of the Kennedy Center for the Performing Arts and chairman of the board of trustees at Duke University, his alma mater. According to the Forbes ranking of the wealthiest people in America, Rubenstein has a net worth of 2.5 billion.
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Source: Wikipedia