Formerly, Jeffrey was the founder and chairman of Marketspace, a global strategy consulting practice. Prior to that, he was a faculty member at Harvard Business School. Jeffrey is also a columnist for BusinessWeek Online and recently published a bestseller book on reinventing service businesses.
Jeffrey earned an A.B. from Harvard College, an M.Phil. in International Relations at the University of Cambridge (U.K.), and an A.M. and Ph.D. in the History of American Civilization at Harvard University.