Professor Ku’s primary research interest is the relationship of international law to national law, both in the public and the private sphere. Most of his research has focused on the United States, but he also conducts research into China and international law. He is the co-author, with John Yoo, of Taming Globalization: International Law, the U.S. Constitution, and the New World Order (Oxford University Press 2012). He has also published more than 40 law review articles, book chapters and symposia essays. He has given dozens of lectures and workshops at major universities and conferences in the United States, Europe and Asia. He also is a co-founder of the leading international law weblog Opinio Juris, which is read daily by thousands worldwide.
Before joining the Hofstra Law faculty in 2002, Professor Ku served as a law clerk to Judge Jerry Smith of the U.S. Court of Appeals for the Fifth Circuit, and as an Olin Fellow and Lecturer in Law at the University of Virginia Law School. Professor Ku also practiced as an associate at the New York City law firm of Debevoise & Plimpton, specializing in litigation and arbitration arising out of international disputes. He has also been a visiting professor at the College of William & Mary Marshall-Wythe School of Law in Williamsburg, Virginia, and a Fulbright Distinguished Lecturer in Law at East China University of Political Science and Law in Shanghai, China.