He received his doctoral degree from Kyoto University in 2004, and joined the Tsinghua Law faculty shortly thereafter. His research interests include International Environmental Law, Maritime Law, Non-proliferation Law and the Law of Treaties. He is a member of International Law Association (ILA), and active participant in the ‘Committee on The Legal Principles relating to Climate Change’. He will be spending this year as a Fulbright Research Scholar at Penn Law, conducting research on the “Precautionary Principle in Contemporary International Environmental Law.”