Ernst-Ulrich Petersmann has worked as legal counsel in Germany’s Ministry of Economic Affairs, GATT and the WTO, and has taught international and European law at the European University Institute at Florence, the Hague and Xiamen Academies of International Law, the EUI Academy of European Law, and numerous universities around the world. His publications include more than 35 books and 380 contributions to books and academic journals.Armin Steinbach holds the Jean Monnet Chair of EU Law and Economics and the HEC Foundation Chair of Law at the École des hautes études commerciales (HEC) in Paris. He served ten years as a civil servant in German government, including as head of division in the Ministry of Finance and the Ministry of Economic Affairs. He worked at the World Trade Organization (WTO) and as an attorney with the law firm Cleary Gottlieb Steen & Hamilton.