Michael Hahn is Managing Director of the Institute for European and International Economic Law, Universität Bern, Switzerland and a Director at its World Trade Institute; he is an Honorary Professor at the University of Waikato, New Zealand, and an Adjunct Professor at Murdoch University, Australia. Hahn researches in the areas of Swiss-EU relations, EU trade policy and WTO law. He is a co-editor of the Zeitschrift für Europarechtliche Studien (ZEuS) and on the editorial boards of the Journal of World Trade and the New Zealand Yearbook of International Law. With Mitsuo Matsushita, Tom Schoenbaum and Petros Mavroidis he has co-authored The World Trade Organization: Law, Practice, and Policy (3rd edition, 2015).