Ellis is the author of 14 books, including Winning the Loser’s Game, Capital, the biography Joe Wilson, and most recently, The Partnership: The Making of Goldman Sachs. For thirty years he was managing partner of Greenwich Associates, the international strategy consulting firm he founded that serves virtually all the leading financial service organizations around the world. A past trustee of Yale University and Chair of its investment committee, he is a trustee of Robert Wood Johnson Foundation, director of Vanguard, and chair of the Whitehead Institute of Biomedical research, he consults on investing with major institutions in Asia, Europe, and North America.