Pierre-Marie Dupuy is Professor of public international law at the Graduate Institute of International and Development Studies in Geneva. He is on leave from the Université de Paris II (Panthéon-Assas) and was Professor at the European University Institute in Florence from 2000 to September 2008. Professor Dupuy has an extensive experience in the field of international dispute settlement and international arbitration including in the framework of ICSID and UNCITRAL. Francesco Francioni holds a doctorate in law from the University of Florence and an LL.M from Harvard University. Currently, he holds the chair of international law and human rights at the European University Institute and is visiting professor at the University of Texas. Other visiting appointments include the University of Oxford and Cornell Law School. He has been a delegate of the Italian government in many international negotiations especially in the field of environmental protection and cultural heritage. Prof. Dr. Ernst-Ulrich Petersmann holds the chair for international and European law at the European University Institute and was previously professor at the University of Geneva and its Graduate Institute for International Studies. He has practised international economic law for more than 30 years as legal advisor in GATT and the WTO, legal advisor, member or chairman of numerous GATT and WTO dispute settlement panels, and German representative in numerous European and international organizations. His publications include 25 books and more than 200 articles and book contributions.