EditorYumiko Nakanishi is professor of European Union Law at Graduate School of Law, Hitotsubashi University, Tokyo. She studied European law at Hitotsubashi University and Münster University (Germany). She got Master of law (Hitotsubashi University 1993), Magister Legum (University of Münster 1995) and Doctor of law (University of Münster 1998). She is a member of the board of directors of the European Union Studies Association–Japan, member of Japan Association of Environmental Law and Policy, member of Japanese Society of International Law. She is founder and representative of Hitotsubashi Association of European Union Law. She is chief editor of the journal Review of European Law. Her fields of research are EU constitutional law, EU environmental law and EU external relations law.