LAWYER PROFILE
Dietmar Prager

Dietmar Prager

USA 2026

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Ranked in 2 practice areas

About

Provided by Debevoise & Plimpton LLP

Practice Areas

Dietmar W. Prager is a litigation partner in the firm’s New York office who focuses his practice on international arbitration and litigation. He co-leads the firm’s Latin America Practice Group.

Dr. Prager has represented parties in numerous arbitrations throughout the world under the auspices of the ICC, ICSID, LCIA, AAA, ICDR and the PCA as well as in ad hoc arbitration proceedings. He was also one of the youngest lawyers ever to argue before the International Court of Justice. Dr. Prager’s recent representations include disputes involving complex infrastructure projects, mining projects, shareholder disputes, investment treaties, oil & gas projects, energy projects, the retail sector, the finance sector, sovereign debt and distribution agreements. Dr. Prager also regularly sits as arbitrator.

Dr. Prager is a Vice Chair of the IBA Arbitration Committee, a member and former Vice Chair of the Executive Committee of the Institute for Transnational Arbitration (ITA), a member of the KCAB International Arbitration Committee and a member of the Board of the Vienna International Arbitration Centre (VIAC). He also serves as a member of the Vance Center Committee, the governing body of the Cyrus R. Vance Center for International Justice. He is a former co- chair of the IBA Subcommittee on International Arbitration Case Law. Dr. Prager is a member of the International Council for Commercial Arbitration (ICCA), the Society of Construction Law North America, the World Association of Mining Lawyers, the Comitê Brasileiro de Arbitragem (CBAr) and the Asociación Latinoamericana de Arbitraje.

Dr. Prager is the author of several articles and blogs on international arbitration, international courts and tribunals, international procedural law, as well as Latin-American integration, and he speaks regularly at international arbitration conferences.

Dr. Prager is a member of the bar of New York. Prior to joining Debevoise in September 2000, Dr. Prager served as Legal Officer at the Registry of the International Court of Justice. He received his LL.M. from New York University School of Law, his Dr. iur. from University of Innsbruck and his law degree from University of Vienna.

Dr. Prager speaks English, German, Spanish and French and is proficient in Portuguese.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Construction: International Disputes - USA - Nationwide

Band 1
Band 1

Individual Editorial

Dietmar Prager of Debevoise & Plimpton LLP has a stellar practice advising mining, energy and infrastructure clients in high stakes international arbitrations. He is highlighted for his specific talents in construction-related disputes, handling construction contests arising out of major projects. As well as advising on cases in New York, he has a notable Latin American practice.

International Arbitration: Counsel - USA - Nationwide

Band 2
Band 2

Individual Editorial
Dietmar Prager's practice spans investment treaty and commercial arbitrations, with notable expertise in disputes concerning Latin America.

Strengths

Provided by Chambers

  • He's world class in every way.

    International Arbitration: CounselChambers Guide to the USA
  • He's responsive, collegial, substantively on top of things, and a hard worker. He's a tenacious advocate, because he pays attention to the detail and doesn't let important things go.

    International Arbitration: CounselChambers Guide to the USA
  • Dietmar is phenomenal. He's super organized, very savvy, diligent and gets things done.

    International Arbitration: CounselChambers Guide to the USA

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District of Columbia

New York

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