George von Mehren is global co-chair of our International Dispute Resolution Practice – ranked in the Top 15 by the Global Arbitration Review.

With more than 40 years of experience in complex adversarial proceedings, George spends 100% of his time representing clients in international arbitrations and providing strategic advice for litigation in courts outside the US. He has an established record of working effectively with counsel worldwide to achieve strong results for clients.

George has been lead counsel in more than 200 high-value international arbitrations, many resulting in multimillion-dollar to multibillion-dollar victories for his clients.

George is a recognized expert in energy industry disputes.

George’s legal training at Cambridge University (Trinity College) and Harvard Law School provides him with the background necessary to deal with cases governed by both common and civil law. Qualified to practice in several US courts, George is also a Registered Foreign Lawyer with the Solicitors Regulatory Authority (England and Wales). Whether a contract, licensing or joint venture dispute, construction, product liability, securities, insurance or regulatory matter, George is skilled in developing sophisticated strategies designed to win his client’s case either at hearing or in settlement negotiations.

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  • University of Cambridge, M.A., 1985
  • Harvard University, J.D., editor, Harvard Law Review, 1977
  • University of Cambridge, B.A., 1974
  • Harvard University, A.B., magna cum laude, 1972


  • Ohio, 1977
  • England and Wales (Registered Foreign Lawyer)
  • U.S. Ct. of App., Sixth Circuit
  • U.S. Dist. Ct., N. Dist. of Ohio
  • U.S. Supreme Court


  • U.S. Supreme Court
  • U.S. Ct. of App., Sixth Circuit
  • U.S. Dist. Ct., N. Dist. of Ohio
  • Recommended in Who’s Who Legal 2024, 2023 and 2021 in the Arbitration category – England
  • The American Lawyer’s Arbitration Scorecard has recognized three of George’s arbitration victories as among the largest in the world
  • Acknowledged in The Legal 500 UK 2019: “has profound experience and skill, especially in strategy and tactics as well as full comprehension of client’s needs”
  • Recognized in The Best Lawyers in America every year since 2014
  • Recognized in Who’s Who Legal Thought Leaders 2018: Arbitration
  • Recognized in Who’s Who Legal for many editions
  • Former member of the ICC Court of Arbitration’s Task Forces on Emergency Arbitrator Proceedings and the Convention on the Recognition and Enforcement of Foreign Arbitral Awards and the ICC’s Task Force on Amiable Composition and Ex Aequo et Bono principles in international arbitration

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  • Co-author, Chapter 11, “The Evolution of Natural Gas Price Review Arbitrations,”Global Arbitration Review: The Guide to Energy Arbitrations 4th ed., 2020.
  • Co-author, “Considerations in Natural Gas and LNG Price Review Claim Quantification,” Journal of World Energy Law and Business, Vol 8, No.2, 2015.
  • Co-author, “Beyond Price Reviews: Adjudicating Claims of Financial Hardship,” The Leading Practitioners’ Guide to international Oil and Gas Arbitration, JurisNet LLC, 2015
  • Co-author, “The arbitrator’s role,” Globe Law and Business: Gas Price Arbitrations – A Practical Handbook, 2014.

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