Biographical note: Yifeng Chen is an associate professor at the Peking University Law School and deputy director of the Peking University Institute of International Law. Before joining the Peking University, He was a post-doctoral researcher at the University of Helsinki from 2010-2013 and continues to serve as a docent in international law at the University of Helsinki. He was a visiting scholar to the Max Planck Institute for Comparative Public Law and International Law, Lauterpacht Centre for International Law at the University of Cambridge, Stockholm Centre for International Law and Justice, Norwegian Centre for Human Rights, and others. His fields of interest include history and theory of international law, international organizations, global governance, and international and comparative labour law.