Mallory Silberman has been described by Who's Who Legal as "'a clear future leader in the field of investor-state arbitration,'" with a "'creative mind,'" an "'unmatched'" "'knowledge of the jurisprudence,'" and "'oral advocacy skills [that] far outpace most of her peers.'" To date, Ms. Silberman has served as counsel in more than 30 investment treaty arbitrations, including more than 20 at the International Centre for Settlement of Investment Disputes (ICSID). Among her past and present clients are the governments of Chile, Costa Rica, the Czech Republic, the Dominican Republic, Guatemala, Hungary, the Kyrgyz Republic, Panama, the Philippines, the Slovak Republic, and South Korea. Ms. Silberman also has represented investors, including Daimler Financial Services, EDF, and Mercer International. She has been recognized for this work by Who's Who Legal (Future Leader in International Arbitration, 2017–2019); Super Lawyers (Rising Star in International Law, 2015–2019); Latinvex (Latin America's Top 100 Female Attorneys, 2017–2018); and The Legal 500 Latin America (International Arbitration, 2018).

In addition to her work as counsel, Ms. Silberman is an adjunct professor at the Georgetown University Law Center where, since 2012, she has taught a course on substantive issues and oral advocacy in international arbitration. She speaks Spanish and Italian, and reads basic French and Portuguese.


  • Representing the Dominican Republic in an arbitration pursuant to Chapter 10 of DR-CAFTA.
  • Representing the Czech Republic in six ongoing arbitrations relating to the renewable energy sector.
  • Representing the Republic of Korea in an investment dispute involving the Lone Star funds, and relating to bank regulation and taxation matters.
  • Representing an American investor in a NAFTA proceeding against the Government of Canada.
  • Representing the Republic of Chile in the long-standing Pey Casado arbitration.


Tips for Second-Chairing an Oral Argument (pdf)
Contributing Author, Ch. 12, The Guide to Advocacy (Fourth Edition), Global Arbitration Review
Cost and Duration of ISDS Cases – Challenges and Possible Reform Options
Panelist, Inter-Sessional Regional Meeting, United Nations Commission on International Trade Law, Dominican Republic
Re-wiring the Brain: Practical Steps to Address Inclusion and Diversity in International Arbitration
Panelist, Chartered Institute of Arbitrators Seminar, Atlanta, GA
Practical Strategies for Claimants and States in Investment Arbitration on Preliminary and Jurisdictional Objections
Panelist, Arbitrating Disputes with Foreign Sovereigns and Sovereign-Owned Entities, Chartered Institute of Arbitrators 2018 Conference, Washington, DC
Be Careful What You Ask For: Can Recent Changes to BIT Models Satisfy ISDS Sceptics and Opponents?
Moderator, Twelfth Annual Investment Treaty Arbitration, Washington, DC


The Legal 500 Latin America
International Arbitration (2018-2019)
"Next Generation Lawyer" – International Arbitration (2019)
"Rising Star" – International Arbitration (2019)
Latin America's Top 100 Female Lawyers (2017-2019)


  • JD, University of North Carolina School of Law, 2009, with honors
  • BA, Syracuse University, 2006, magna cum laude, Phi Beta Kappa
  • District of Columbia
  • Maryland
  • Spanish
  • Italian

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