Keith A. Petty (@Petty_KeithA) is a Major in the U.S. Army Judge Advocate General’s Corps, currently serving as Legal Liaison Officer for U.S. Army Europe at the U.S. Embassy, Berlin. He is also a member of the steering committee of the American Society of International Law’s signature topic, Atrocity Prevention: The Role of International Law and Justice. Keith began his legal career as an intern at the International Criminal Tribunal for the Former Yugoslavia, after which he co-taught the War Crimes Prosecution Seminar at Case Western Reserve University, School of Law. As a judge advocate, Keith has advised commanders during combat operations in Iraq and humanitarian relief efforts in Liberia. He also served as a trial attorney at the Office of Military Commissions, Guantánamo Bay, Cuba, and later as Senior Defense Counsel at Joint Base Lewis-McChord, Washington. Keith’s scholarly works focus on international law, national security law, and legal ethics. He has published in the Michigan Journal of International Law, Utah Law Review, Pepperdine Law Review, and Georgetown Journal of International Law, among other law journals. He received an LL.M. in human rights law from Georgetown University Law Center and an LL.M. in military law from The Judge Advocate General’s Legal Center and School. He earned his J.D. from Case Western Reserve University School of Law, and his B.A. in English and Germanic Studies from Indiana University, Bloomington. Keith writes in his personal capacity and his views do not necessarily reflect the official policy or position of the U.S. Army, Department of Defense, or U.S. Government.