John J. Mack is the former Chairman of the Board of Morgan Stanley, and its former Chief Executive Officer (2005-2009). He joined Morgan Stanley in 1972, was named President in 1993, and served as President, Chief Operating Officer, and a Director of Morgan Stanley Dean Witter & Co. starting in 1997. Mack is a graduate of Duke University, where he is a member of the Board of Trustees. He also serves as Chairman of the Board of Trustees of New York-Presbyterian Hospital and the University Hospitals of Columbia and Cornell. He is a Director of IMG, Trustee Emeritus of the Doris Duke Charitable Foundation, a member of the Business Council and the Business Roundtable, the International Business Council of the World Economic Forum, and the NYC Financial Services Advisory Committee. He lives in New York.