Keith Roberts is a graduate of Harvard College, Harvard Law School, and the Harvard Business School's Program in Venture Capital. He has served as president of the Preservation Group, a San Francisco-based real estate firm; Roberts Proprietaries, Inc., a manufacturing and distribution company; and other firms. He is an arbitrator for the Financial Industries Regulatory Authority and in the New York court system.

William H. McNeill is a noted world historian and professor emeritus of history at the University of Chicago. The recipient of a National Humanities Medal, he is the author of many books, including The Rise of the West: A History of the Human Community, which won a National Book Award for history.