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William McNabb III

William McNabb III is the former chairman of the board and CEO of Vanguard. He joined Vanguard in 1986, served as CEO from 2008 through 2017. William also served as a director of Vanguard Marketing Corporation, and he served as a managing director of Vanguard from 1995 to 2008.

William is chairman of the board of the Zoological Society of Philadelphia, and is on the boards of CECP: The CEO Force for Good and the United Way of Greater Philadelphia and Southern New Jersey.

He earned an A.B. at Dartmouth College and holds an M.B.A. from the Wharton School of the University of Pennsylvania. Before going into finance, he taught Latin to 7th and 8th graders at The Haverford School.

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