Anthea Roberts

Professor of Law

Anthea Roberts

Professor of Law


  • Public International Law
  • Investment Treaty Law and Arbitration
  • Comparative International Law
  • International Dispute Resolution
  • International Human Rights
  • International Law before National Courts
  • Sources and Interpretation of International Law


  • Public Affairs, 212-854-2650


Anthea Roberts holds a joint appointment as Professor of Law at Columbia Law School and Associate Professor at the London School of Economics. She will be in residence at Columbia Law School from 2013-2015. Anthea joined the London School of Economics in 2008 and has been a Visiting Professor of Law at Harvard Law School and Columbia Law School. Her fields of expertise are public international law, investment treaty law and arbitration, and comparative international law.

Anthea has published in the American Journal of International Law, the European Journal of International Law, the Harvard International Law Journal, the International & Comparative Law Quarterly, and the Yale Journal of International Law. In both 2002 and 2011, she was awarded the Francis Deak Prize by the American Society of International Law for the best contribution to the American Journal of International Law by a scholar under 40 years of age. In 2012, Anthea was awarded a Leverhulme Prize in recognition of her scholarly contribution to her field.

Anthea is a member of the Board of Editors for the American Journal of International Law, the European Journal of International Law, ICSID Review, and the Journal of World Investment and Trade. She is a Reporter on Jurisdiction for the Restatement (4th) of the Foreign Relations Law of the United States, a member of the American Law Institute, and a participant in the ILA Study Group on the Principles on the Application of International Law by Domestic Courts. She has previously been a member of the Executive Council of the American Society of International Law (ASIL), a Co-Chair of the ASIL Annual Meeting, a Jacob L. Martin Fellow at the U.S. Department of State, and Rapporteur for the International Bar Association's Task Force on Extraterritorial Jurisdiction.

Anthea studied at the Australian National University, the University of Oxford, and New York University School of Law. She served as a Clerk for Chief Justice Murray Gleeson at the High Court of Australia and as an Intern for Judge Bruno Simma at the International Court of Justice. She then spent five years as an Associate in the International Dispute Resolution Group at Debevoise & Plimpton LLP in New York and London where she focused on public international law, international arbitration and Alien Tort Statute cases. She is admitted as an Attorney in New York, a Solicitor in England and Wales, and a Legal Practitioner in Australia.

Sample Publications

Is International Law International? (OUP, 2015 forthcoming) 

Comparative International Law (Anthea Roberts, Paul Stephan, Pierre-Hugues Verdier & Mila Versteeg, eds, OUP, 2015 forthcoming)

"Triangular Treaties: the Nature and Limits of Investment Treaty Rights," 56 Harvard International Law Journal _ (2015, forthcoming).

"BG Group v. Argentina: The US Supreme Court and Judicial Review of Investment Treaty Awards," 108 American Journal of International Law _ (2014) (co-authored with Christina Trahanas). 

“State-to-State Investment Treaty Arbitration: A Theory of Interdependent Rights and Shared Interpretive Authority,” 55 Harvard International Law Journal 1 (2014).

“Clash of Paradigms: Actors and Analogies Shaping the Investment Treaty System,” 107 American Journal of International Law 45 (2013).

“Divergence and Convergence in International Arbitration,” 106 ASIL Proceedings (2012, forthcoming).

“Subsequent Agreements and Practice: The Battle over Interpretative Power” in Treaties and Subsequent Practice (Georg Nolte ed., 2012, forthcoming).

“Law-Making by Non-State Actors: Engaging Armed Groups in the Creation of International Humanitarian Law,” 37 Yale Journal of International Law 107 (2011) (co-authored with Sandesh Sivakumaran).

“Comparative International Law?  The Role of National Courts in International Law,” 60 International & Comparative Law Quarterly 57 (2011).

“The Next Battleground: Standards of Review in Investment Treaty Arbitration,” ICCA Congress Series (2011).

“Power and Persuasion in Investment Treaty Interpretation:  The Dual Role of States” 104 American Journal of International Law 179 (2010).

“Who Killed Article 38(1)(b)?  A Reply to Bradley and Gulati” 21 Duke Journal of Comparative & International Law 173 (2010) (symposium contribution).

“The Emerging Recognition of Universal Civil Jurisdiction” 100 American Journal of International Law 142 (2006) (co-authored with Donald Francis Donovan). 

 “Righting Wrongs or Wronging Rights? The United States and Human Rights Post-September 11” 15 European Journal of International Law 721 (2004).

“Traditional and Modern Approaches to Customary International Law:  A Reconciliation” 95 American Journal of International Law 757 (2001).

International Law
Investment Treaty Law and Arbitration
S. China and International Law

Columbia Law School

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