Leadership Bios

Theodor Meron - Since his election to the Tribunal by the United Nations General Assembly in March 2001, Judge Theodor Meron, a citizen of the United States, has served on the Appeals Chamber, which hears appeals from both the International Criminal Tribunal for the Former Yugoslavia (ICTY) and the International Criminal Tribunal for Rwanda (ICTR). Between March 2003 and November 2005 he served as president of the Tribunal. A leading scholar of international humanitarian law, human rights, and international criminal law, Judge Meron wrote some of the books and articles that helped build the legal foundations for international criminal tribunals. A Shakespeare enthusiast, he has also written articles and books on the laws of war and chivalry in Shakespeare’s historical plays.

Judge Meron immigrated to the United States in 1977. Prior to that, he served in the Israeli Foreign Service where his duties included that of Legal Adviser, Ambassador to Canada, and Ambassador to the United Nations in Geneva.

He was Co-Editor-in-Chief of the American Journal of International Law (1993-98) and is now an honorary editor.


David Caron currently is the C. William Maxeiner Distinguished Professor of Law at the University of California, Berkley Law, where he serves also as Co-Director of the Law of the Sea Institute and Co-Director of the Miller Institute on Global Challenges and the Law. He is a member of the Board of Editors of the American Journal of International Law, and Co-Editor of World Arbitration and Mediation Review and of SSRN International Environmental Law eJournal. He is a member of the Global Agenda Council of the World Economic Forum as well as the U.S. Department of State Advisory Committee on Public International Law. Caron has served as arbitrator, lead counsel, and expert in both private and public international arbitral proceedings. From 1996 to 2003, he served as a Commissioner with the Precedent Panel (E2) of the United Nations Compensation Commission in Geneva resolving claims arising out of the 1990 Gulf War. Caron served as Chair of the Advisory Board for the Institute of Transnational Arbitration from 2005 to 2009 and is a member of the Bars of the State of California and of England and Wales. He is also a Barrister with Chambers at 20 Essex Street. Most recently, Caron coedited "The Oceans in the Nuclear Age." To view his complete writings, visit http://works.bepress.com/david_caron/.


Elizabeth (Betsy) Andersen is Executive Director and Executive Vice President of the American Society of International Law (ASIL), a position she has held since 2006.  Previously she served as the Executive Director of the American Bar Association's Central European and Eurasian Law Initiative (ABA CEELI), and as Executive Director of Human Rights Watch's Europe and Central Asia Division.  Earlier in her career, she served as Legal Assistant to Judge Georges Abi-Saab of the International Criminal Tribunal for the former Yugoslavia and as a law clerk to Judge Kimba M. Wood of the U.S. District Court of the Southern District of New York.

Ms. Andersen is a graduate of Yale Law School, the Woodrow Wilson School of Public and International Affairs at Princeton University, and Williams College, from which she received the College’s Bicentennial Medal in 2006.  Her area of expertise is international humanitarian, human rights, and refugee law.  She serves as co-editor of the ASIL Studies in Transnational Legal Theory Series; as a member of the governing boards of the Washington Foreign Law Society and Friends of the Law Library of Congress; and as a member of the advisory committees of the American University Academy on Human Rights and Humanitarian Law, the International Senior Lawyers Project, and the Journal of International Humanitarian Legal Studies.


Diane Marie Amann is Professor of Law and Director of the California International Law Center at King Hall, University of California, Davis, School of Law. A specialist in the interaction of national, regional, and international legal regimes in efforts to combat atrocity and cross-border crime, she has served as an expert on projects involving Darfur, Guantánamo, Serbia, and post-conflict zones. She earned a Dr.h.c. in law from Universiteit Utrecht, a J.D. from Northwestern University School of Law, an M.A. in political science from UCLA, and a B.S. in journalism from the University of Illinois; was a law clerk for U.S. District Court Judge Prentice H. Marshall in Chicago and for U.S. Supreme Court Justice John Paul Stevens; and has been a professeur invitée at the Faculté de droit, Université de Paris 1 (Panthéon-Sorbonne), and a Visiting Professor of Law at UCLA, the University of California-Berkeley, and the Irish Centre for Human Rights, National University Ireland-Galway. Her publications have appeared in books and journals in English, French, and Italian, and she is a founding contributor to IntLawGrrls blog.


Mahnoush H. Arsanjani has been an ASIL member since 1975, and has served the Society in many capacities over the years, as an editor of the Journal, a member of the Executive Council, and a regular participant in Annual Meetings and other programs. She has served in the legal office of the United Nations for over 32 years. Her last position held was as Director of Codification, Office of Legal Affairs of the United Nations. She has also served as Secretary of the International Law Commission and Secretary of the Committee of the Whole, Rome Conference on the Establishment of the International Criminal Court. Ms. Arsanjani received her law degree in 1971 from the National University of Iran School of Law and received her LL.M and Doctorate in Law from Yale Law School.


D. Stephen Mathias is the Assistant Secretary-General for Legal Affairs at the United Nations. In this position, Mr. Mathias is the head of the Office of Legal Counsel and assists in the overall supervision of each of the units of the Office. Before joining the United Nations, he had 23 years of experience in international law. He served at the United States State Department for 20 years, as Assistant Legal Adviser in the Office of the Legal Adviser at the U.S. Department of State. In the Office of the Legal Adviser, he served in the offices of Management Affairs, Political-Military Affairs, United Nations Affairs and International Claims and Investment Disputes. From 1992-1996, Mr. Mathias was the Counsellor for Legal Affairs at the United States Embassy in The Hague, where a focus of his work was the International Court of Justice and the start-up phase of the International Criminal Tribunal for the former Yugoslavia. From 2004-2007, he served as General Counsel to the Multinational Force and Observers, which supervises the implementation of the Security Annex to the Peace Treaty between Egypt and Israel.


Mary Ellen O’Connell is the Robert and Marion Short Professor of Law and Research Professor of International Dispute Resolution at the University of Notre Dame Law School. O’Connell's research focuses on peace through law, specifically international legal regulation of the use of force, conflict and dispute resolution, and the resolution of disputes prior to an escalation to armed conflict. he earned her J.D. from Columbia University, and she has taught at Indiana University School of Law; the Bologna Center of The Johns Hopkins University, Paul H. Nitze School of Advanced International Studies, Bologna, Italy; the George C. Marshall European Center for Security Studies, Garmisch-Partenkirchen, Germany; and the University of Cincinnati College of Law. She is the author of The Power and Purpose of International Law (Oxford University Press), three casebooks, four edited collections, and more than 60 articles and book chapters. She has been an ASIL member since 1986.


Jose Alvarez is the Herbert and Rose Rubin Professor of International Law at New York University Law School. He is also serving as special adviser to the Prosecutor of the International Criminal Court on a pro bono basis. Professor Alvarez was formerly the Hamilton Fish Professor of International Law and Diplomacy and the executive director of the Center on Global Legal Problems at Columbia Law School, a professor of law at the University of Michigan Law School, an associate professor at the George Washington University's National Law Center, and an adjunct professor at Georgetown Law Center.

Prior to entering academia in 1989, Professor Alvarez was an attorney adviser with the Office of the Legal Adviser of the U.S. Department of State where he worked on cases before the Iran-U.S. Claims Tribunal, served on the negotiation teams for bilateral investment treaties and the Canada-U.S. Free Trade Agreement, and was legal adviser to the administration of justice program in Latin America coordinated by the Agency of International Development.  Educated at Harvard College, Harvard Law School, and Oxford University, Professor Alvarez has also been in private practice and was a judicial clerk to the late Hon. Thomas Gibbs Gee of the Fifth Circuit Court of Appeals.  A former international affairs fellow at the Council on Foreign Relations and resident scholar at the Carnegie Endowment for International Peace, Professor Alvarez is a member of the Council on Foreign Relations, the American Law Institute, and has long been active in bar activities at both the local and national levels.  He has served on a number of advisory bodies at the national level, including the ABA Task Force relating to the establishment of the ad hoc tribunal to adjudicate war crimes in the former Yugoslavia and the UN Association's National Advisory Committee on UN Financing.  Prior to assuming the Presidency of the ASIL, Professor Alvarez was chair of the Society’s international organizations section, a member of its Executive Council, co-chair of the 1997 Annual Meeting, and Vice President .


James H. Carter is a partner at Sullivan & Cromwell and serves as counsel in arbitration proceedings. Mr. Carter is a widely recognized authority on international arbitration, with 35 years of experience as arbitrator or counsel in more than 100 cases, typically involving joint ventures or international trade or investment disputes. He is a leading exponent as well as a practitioner of international law and dispute resolution. Featured in The Lawdragon 500 Leading Judges in America (2006), Mr. Carter is singled out as being “on the short list of must-have international arbitrators.”

Mr. Carter served as President of the American Soceity of International Law from 2004-2006.


Lucy F. Reed, the immediate past President of ASIL, is a partner in the New York office of the international law firm Freshfields Bruckhaus Deringer. She co-heads the firm’s preeminent global international arbitration group, specializing in investment treaty arbitrations and other public international law disputes. In addition to serving as counsel and arbitrator, Ms. Reed has served as a Commissioner of the Ethiopia-Eritrea Claims Commission (an international humanitarian law tribunal created by international agreement) and co-director of the Claims Resolution Tribunal for Dormant Accounts in Switzerland (a Holocaust tribunal). She delivered private international law lectures at The Hague Academy of International Law in 2001 and has been a member of the Council on Foreign Relations since 2003.

While with the US Department of State from 1985 to 1992, Ms. Reed served as the Legal Counselor at the US Embassy in The Hague, the US Agent to the Iran-United States Claims Tribunal, and the Deputy Assistant Legal Adviser for International Claims and Investment Disputes. From 1995 to 1998, she was the first General Counsel of the Korean Peninsula Energy Development Organization (KEDO), an international organization based in New York, in which capacity she led negotiations with North Korea.

Ms. Reed received her law degree from the University of Chicago Law School in 1977, where she was on the Law Review, and her BA magna cum laude from Brown University in 1974, where she was elected to Phi Beta Kappa in 1973.


James Nafziger is the Thomas B. Stoel Professor of Law and Director of International Programs at the Willamette University College of Law.  He is also Honorary Professor at the East China University of Politics and Law.  After receiving B.A. and M.A. degrees from the University of Wisconsin and a J.D. from the Harvard Law School, Professor Nafziger was Henry Luce Fellow and later Administrative Director of the American Society of International Law.  He is a former Fulbright lecturer in Mexico and Mongolia as well as Scholar-in-Residence at the Rockefeller Foundation’s Study Center in Bellagio, Italy.  In 2005 he was Co-director of Research at the Hague Academy of International Law.  Professor Nafziger received the Burlington Northern Foundation Award for “excellence in teaching and scholarly activity” and the university President’s Award for Excellence in Scholarship, in both cases the first given to a member of his law faculty.  Having initiated the Oregon Law Commission’s project to codify choice-of-law rules, he has served as its Reporter.  He is the author or editor of eight books, over 100 articles or essays in books, and 80 other published writings.

An elected member of the American Law Institute, he is an Honorary Vice-President of the American Branch of the International Law Association, having served as its President and Chair of its Executive Committee.  He also chairs the ILA’s Committee on Cultural Heritage Law and is Honorary President of the International Association of Sports Law.  He received an award for extraordinary contributions to the American Society of Comparative Law, having served as its Treasurer.  Professor Nafziger is on the National Council of the United Nations Association-USA and is a former president of both its Oregon Division and the Oregon International Council.


Nancy Perkins, Counsel to firm, Arnold & Porter LLP, has a diverse  international  practice,  including arbitration and trade litigation,  regulatory   counseling,  and legislative work.  She has litigated disputes before the International Centre for the Settlement of Investment Disputes ("ICSID") and the GATT/World Trade Organization ("WTO"), including the first case ever brought under the WTO dispute settlement system.  She also has worked on antidumping and countervailing duty cases, proceedings under the Generalized System of Preferences, and matters involving Sections 201 and 301 of the U.S.  trade laws.  She has assisted several foreign governments in the negotiation of treaty provisions, and has counseled numerous clients with respect to export control and customs regulations, the Exon-Florio statute, FOCI matters, the Foreign Corrupt Practices Act, the NAFTA, and antitrust, tax, and other aspects of foreign direct investment in the United States. Ms. Perkins is the Chair of the International Law Section of the D.C. Bar, Treasurer of the American Society of International Law ("ASIL"), and a member of the Editorial Advisory Committee of International Legal Materials, published by the ASIL. She joined Arnold & Porter in 1988, following a clerkship with the Honorable Eugene H. Nickerson in the District Court for the Eastern District of New York.  She is a member of the Bars of both Pennsylvania and the District of Columbia, and is a member of the American Law Institute.