Research/Areas of Interest:

-Use of Force
-American Hegemony
-Congress and Foreign Policy
-Presidential Power
-U.S. Foreign Relations Law
-United Nations
-International Law


  • JD, University of Minnesota, Minneapolis, United States, 1973
  • BA, Political Science, University of St. Thomas, Saint Paul, United States, 1970


Michael J. Glennon is Professor of Constitutional and International Law. Prior to going into teaching, he was Legal Counsel to the Senate Foreign Relations Committee (1977-1980). He has since been a Fulbright Distinguished Professor of International and Constitutional Law, Vytautus Magnus University School of Law, Kaunas, Lithuania (1998); a Fellow at the Woodrow Wilson International Center for Scholars in Washington D.C. (2001-2002); Thomas Hawkins Johnson Visiting Scholar at the United States Military Academy, West Point (2005); Director of Studies at the Hague Academy of International Law (2006); and professeur invité at the University of Paris II (Panthéon-Assas) from 2006 to 2012. Professor Glennon has served as a consultant to various congressional committees, the U.S. State Department, and the International Atomic Energy Agency. He is a member of the American Law Institute, the Council on Foreign Relations, and the Board of Editors of the American Journal of International Law. Professor Glennon is the author of numerous articles on constitutional and international law as well as several books. He has testified before the International Court of Justice and congressional committees. A frequent commentator on public affairs, he has spoken widely within the United States and abroad and appeared on Nightline, the Today Show, NPR's All Things Considered and other national news programs. His op-ed pieces have appeared in The New York Times, Washington Post, Los Angeles Times, International Herald-Tribune, Financial Times, and Frankfurt Allgemeine Zeitung. His most recent book is National Security and Double Government, published by the Oxford University Press in September 2014.
(read more)

Selected Publications

Glennon, M. J. (2016). National Security and Double Government. Oxford University Press, USA.

Glennon, M. (2022). The NATO Treaty Does Not Give Congress a Bye on World War III. Lawfare. Retrieved from

Glennon, M. (2020). Dire Straits: Should American Support for Taiwan Be Ambiguous?. Foreign Affairs. Retrieved from

Glennon, M. J. (n.d.). Symbiotic Security and Free Speech. SSRN Electronic Journal. doi:10.2139/ssrn.4316075

Glennon. (2023). Free Speech and Turbulent Freedom.

Glennon, M. J. (2010). The Fog of Law: Pragmatism, Security, and International Law. Stanford University Press, The Woodrow Wilson Center Press (co-published).

Glennon, M., Franck, T., Murphy, S., & Swaine, E. (2011). United States Foreign Relations and National Security Law (4th ed. ed.). West Publishing Company.

Glennon, M. J. (1991). Constitutional Diplomacy. Princeton University Press.

Glennon, M. J., & Sloane, R. D. (2016). Foreign Affairs Federalism: The Myth of National Exclusivity. Oxford University Press.