Duncan B. Hollis is no longer with the Carnegie Endowment for International Peace.

Duncan B. Hollis was a nonresident scholar at the Carnegie Endowment for International Peace and the James E. Beasley professor of law at Temple Law School, where he also serves as the associate dean for academic affairs. Professor Hollis’s research focuses on public international law, the law of treaties, interpretation, and global cybersecurity. He is the editor of the Oxford Guide to Treaties (Oxford University Press, 2012), which was awarded the 2013 ASIL Certificate of Merit for high technical craftsmanship and utility to practicing lawyers. His cyber-related research examines international law’s role in regulating cyberthreats, the construction of cybernorms, and the application of humanitarian principles to global cybersecurity. He is the author of An e-SOS for Cyberspace, 52 Harvard International Law Journal 374 (2011) and, together with Martha Finnemore, Constructing Cybernorms for Cybersecurity, 110 American Journal of International Law (forthcoming 2016). 

Previously, Professor Hollis served as an attorney-adviser in the Office of the Legal Adviser at the U.S. Department of State, where he participated in various bilateral and multilateral treaty negotiations as well as the litigation of two cases before the International Court of Justice.  He is a regular contributor and member of the Board of the premier international law blog, Opinio Juris. Professor Hollis is also an elected member of the American Law Institute and serves as an adviser on its project to draft a Fourth Restatement on the Foreign Relations Law of the United States.