Gave a talk on "The Thin Justice of International Law" at the Max Planck Institut fur Auslandisches Offentliches Recht und Volkerrecht, Heidelberg, Germany, September 2015.
Presented the paper, "War/Crimes and the Limits of the Doctrine of Sources," to an authors' workshop for the new Oxford University Press Handbook on the Sources of International Law, Fribourg, Switzerland, September 2015.
Gave a lecture on "The Thin Justice of International Law" at Australian National University's College of Law, July 2015.
Gave a lecture on "International Law's Ban on Torture: Can a Super-Norm Survive Pervasive Violations?" at Australian National University's Regulatory Institutions Network, July 2015.
Professor Ratner's book, The Thin Justice of International Law: A Moral Reckoning of the Law of Nations, was the basis of an online symposium held by the blogs of the European Journal of International Law and Ethics & International Affairs, June 2015.
Panel commentator, "Lawful vs. Unlawful Expropriation: Is This a Distinction Without a Difference?", Ninth Annual Investment Treaty Arbitration Conference, Washington, D.C., February 2015.
Presented "Protecting Human Rights Abroad: International Norms and Thin Global Justice," Georgetown University Law Center Human Rights Workshop, Washington, D.C., February 2015.
Presented "The Thin Justice of International Investment Law," University of Toronto Faculty of Law Legal Theory Workshop, January 2015.
Gave a presentation to staff attorneys on United Nations fact-finding mechanisms, Israel Ministry of Foreign Affairs Office of the Legal Adviser, Jerusalem, Israel, January 2015.
Gave a presentation to staff attorneys on drone warfare and international law, Israel Defense Forces Military Advocate General International Law Department, Tel Aviv, Israel, January 2015.
Presented the 2014 John P. Humphrey Lecture in Human Rights, "After Atrocity: Optimizing UN Action Toward Accountability for Human Rights Abuses," at the Maxwell Cohen Moot Court, Montreal, Quebec, Canada, September 2014.
Featured speaker, seminar on "Attacking Syria: The Key Legal Issues," presented by the University of Michigan Law School's Center for International and Comparative Law and Human Rights Advocates, Ann Arbor, September 2013.
Featured speaker on "Drone Strikes, U.S. Policy, and the Law," Australian National University Centre for International and Public Law and Centre for Military and Security Law Public Lecture, Canberra, Australia, August 2013.
Gave the keynote address at the Australian National University Centre for Military and Security Law Workshop on International Humanitarian Law, Anti-Terrorism Laws, and Non-State Actors, Canberra, Australia, August 2013.
Presented "Accountability and the Sri Lankan Civil War," Australian National University Centre for Military and Security Law, Canberra, Australia, July 2013.
Presented "The Thin Justice of International Law," Australian National University Regulatory Institutions Network, Canberra, Australia, July 2013.
Visiting fellow, Australian National University College of Law, Canberra, Australia, July 29-August 2, 2013.
Featured speaker on "Cyber War and Drones: The Implications of War without Soldiers," Societas series, Fondazione Corriere della Sera, Milan, Italy, June 2013.
Presented "Modern Challenges to Investment Treaties" and "The Thin Justice of International Law," Universitá Commerciale Luigi Bocconi, Milan, Italy, June 2013.
Panel speaker, "Sri Lanka: Challenges: Implementing International Human Rights and Accountability for Human Rights Violations," Jack and Mae Nathanson Centre, Osgoode Hall School of Law, Toronto, February 2013.