Justin Menkes is managing director of the Executive Intelligence Group, which is partnered with Spencer Stuart, to help identify, hire, and promote exceptional leaders and managers throughout the world. Author of Executive Intelligence, he has been cited by Malcolm Gladwell in The New Yorker for his work on hiring practices and earned a Ph.D. in organizational behavior from Claremont Graduate University, where he studied under the late Peter Drucker. He has an M.A. in psychology from the University of Pennsylvania and a B.A. from Haverford College. He lives in Los Angeles.