Dr Gehring is Tutor in Sustainable Development Law at the Law Faculty, former Deputy Director of the Centre for European Legal Studies (CELS) and Fellow in Law at Robinson. He holds an ad personam Jean Monnet Chair in Sustainable Development Law at the University of Ottawa in Canada and serves as affiliated Lecturer in European and International Law at the Department of Politics and International Studies. He holds an LL.M from Yale and a Dr jur from Hamburg. He practiced European and international trade law with Cleary Gottlieb in their Brussels office. Prior to joining Robinson College, he was a tutor in Public International Law at University College, Oxford. He serves as Lead Counsel for Sustainable International Trade, Investment and Competition Law with the Centre of International Sustainable Development Law (CISDL), based at McGill University, and was a member representative of the Concerted Action on Trade and Environment (CATE) research initiative, funded by the European Commission. His recent book, with Marie-Claire Cordonier Segger, is titled Sustainable Development in World Trade Law (Kluwer Law International, 2005). Dr. Gehring’s first doctoral thesis analysed sustainability and environmental reviews in trade regimes, his second, at Yale Law School, focuses on European and comparative constitutional law.