Prof. Julian Ku

Maurice A. Deane Distinguished Professor of Constitutional Law and Faculty Director of International Programs, Hofstra University School of Law
Julian Ku

Professor Ku's primary research interest is the relationship of international law to constitutional law, especially in the United States. But he has also conducted academic research on a wide range of topics including international dispute resolution, international criminal law, and China's relationship with international law.  He teaches courses such as U.S. constitutional law, U.S. foreign affairs law, transnational law, and international trade law. Since 2012, he has served as Faculty Director of International Programs overseeing Hofstra Law's study abroad, exchange, and LLM programs. He has also been selected as the John D. Gregory Research Scholar and as a Hofstra Law Research Fellow. He is a member of the American Law Institute.

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 also has published more than 40 law review articles, book chapters and symposia essays. He has given dozens of academic lectures and workshops at major universities and conferences in the United States, Europe and Asia.

He co-founded the leading international law weblog Opinio Juris, which is read daily by thousands worldwide. His essays and op-eds have been published in major news publications such as the Wall Street Journal, the Los Angeles Times, and the  He has been frequently interviewed for television news programs and quoted in print and electronic media. He has also signed or submitted amicus briefs to national and international courts and served as an expert witness in both domestic and international proceedings.

Before joining the Hofstra Law faculty, Professor Ku served as a law clerk to the Honorable Jerry E. 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 been a visiting professor at the College of William & Mary Marshall-Wythe School of Law in Williamsburg, Virginia, a Fulbright Distinguished Lecturer in Law at East China University of Political Science and Law in Shanghai, China, and a Taiwan Fellow at National Taiwan University in Taipei, Taiwan.  He is a graduate of Yale College and the Yale Law School.

  • B.A., Yale College
  • J.D., Yale Law School

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Publications and Multimedia
When Lines in The Sea Fail: China Dismisses Hague Arbitration Court Ruling - Podcast
International & National Security Law Practice Group Podcast
August 19, 2016
We've Said It – Now What? Genocide in the Middle East - Podcast
International & National Security Law Practice Group Podcast
April 12, 2016
What is Left of the Alien Tort Statute after Kiobel v. Royal Dutch Petroleum? - Podcast
International & National Security Law Practice Group and Litigation Practice Group Podcast
May 13, 2013
National Security vs. International Law? - Event Audio/Video
2012 National Lawyers Convention
November 20, 2012
Taming Globalization - Faculty Book Podcast
Faculty Division Podcast 06-06-12 featuring Julian Ku and Martin Flaherty
June 06, 2012
SCOTUScast 10-22-08 featuring Julian Ku
Winter v. Natural Resources Defense Council
October 22, 2008