Reuven S. Avi-Yonah, the Irwin I. Cohn Professor of Law and director of the International Tax LLM Program at the University of Michigan Law School, specializes in corporate and international taxation. He has served as a consultant to the U.S. Treasury Department and the Organisation for Economic Co-operation and Development (OECD) on tax competition, and is a member of the steering group for OECD's International Network for Tax Research. He is also the chair of the AALS Tax Section and trustee of the American Tax Policy Institute, a fellow of the American Bar Foundation, and an international research fellow at Oxford University's Centre for Business Taxation. In addition to prior teaching appointments at Harvard University (law) and Boston College (history), he practiced law with Milbank, Tweed, Hadley & McCloy in New York; with Wachtell, Lipton, Rosen & Katz, New York; and with Ropes & Gray, Boston. After receiving his BA, summa cum laude, from Hebrew University, he earned three additional degrees from Harvard University: an AM in history, a PhD in history, and a JD, magna cum laude, from Harvard Law School. He has published over 150 books and articles, including International Tax as International Law (Cambridge University Press, 2007) and Global Perspectives on Income Taxation Law (Oxford University Press, 2011).