He has a JSD and an LL.M (in International Taxation) from New York University School of Law and a LL.B degree from Hebrew University School of Law. He is a University of Florida Research Foundation Professor and a Professor of Law with the Levin College of Law at the University of Florida. He joined the Florida faculty in 2006, after teaching at New York University, Northwestern and Arizona State University. He has been a visiting professor and guest speaker at various universities and has participated in many international tax seminars throughout the world. He previously worked as a consultant in Ernst & Young’s international tax practice in New York. He has published several books and articles in professional journals and law reviews, and is a co-author of U.S. International Taxation – Cases and Materials (with Reuven S. Avi-Yonah and Diane M. Ring). A few of his publications are - Why Does the United States Conclude Tax Treaties? And why does it not have a Tax Treaty with Brazil? (in Portuguese), in the 2011 Bi-Annual IBDT International Tax Conference Proceedings, published in Revista Direito Tributario Atual; The Proper Tax Base: Structural Fairness from an International and Comparative Perspective (A Volume in Honor of Paul R. McDaniel) (Ed., (with Martin M. McMahon), (Kluwer Law International, forthcoming 2011); Tax Law and Development (Ed., with Miranda Stewart), (Edward Elgar, forthcoming early 2012). He joined the research group on Tax Governance: International Standards, Patriotisms and Exiles.