Hyeyoung Lee is a professor of international law at Seoul National University’s Graduate School of International Studies. Professor Lee’s research interests have centered on how to enhance the legitimacy and effectiveness of international law in the contemporary context, with a particular emphasis on the condition of humankind as a subject of international law. She has written books and articles on functional interpretations of “state” for the purposes of the crime of aggression and the International Criminal Court, domestic implementation and application of international human rights law, international refugee law, and international labour law through trials and judicial systems, jurisprudential developments in the International Criminal Court with a special focus on crimes of aggression and sexual and gender-based crimes, and implications of different legal bases for the establishment of international criminal courts and tribunals. She has served and is continuously serving as a director or board member of the Korean Society of International Law, the Korean International Law Review, and the Korean Society of Human Rights Law. Professor Lee’s teaching at SNU focuses on enhancing students’ understanding of the structure and process of the international legal system, as well as examining how international disputes are resolved and how global justice is administered through its rules and institutions. Before joining the faculty of SNU, she worked as a professional researcher at the Supreme Court of Korea’s Judicial Policy Research Institute and as an adjunct professor at Ewha Woman’s University Law School in Korea. Prior to returning to Korea, she completed postdoctoral research at Harvard Law School as a selected visiting researcher. She also worked as a visiting professional at the International Criminal Court’s Trial Division (Chamber) in The Hague, Netherlands. Prior to that, she worked for the UN Libya Inquiry Commission, which was established by the UN Human Rights Council, compiling a database of events relating to potential human rights violations and war crimes during the Libyan Civil War. Professor Lee received her S.J.D. from Indiana University Maurer School of Law (Bloomington, USA), her LL.M. from the University of Illinois College of Law (Urbana-Champaign, USA), and her LL.B. from Ewha Woman’s University College of Law (Seoul, Korea).