Betsy A. Hellmann is an experienced litigator with a focus in international dispute resolution. She counsels clients in disputes with foreign counterparties in various industries, including oil and gas, construction, insurance, reinsurance, securities, and telecommunications, in communication with local counsel, foreign governments and regulators, and the media.


Ms. Hellmann advocates for clients before international and domestic arbitral tribunals as well as U.S. state and federal courts. She advises clients on enforcement of dispute resolution clauses, enforcing judgments domestically and abroad, obtaining discovery in foreign jurisdictions, and structuring transactions to secure favorable law and dispute resolution forum.

Noteworthy experience representing claimants includes:

  • securing $700 million (plus interest) award for Indian satellite and telecommunications company with U.S., German and other shareholders against Indian space agency in Delhi-seated ICC arbitration concerning repudiation of long-term lease agreement;
  • representing three Mauritius claimants in UNCITRAL arbitration against the Republic of India under the Mauritius-India BIT in Hague-seated arbitration concerning satellite/space telecommunications sector (favorable merits award issued August 2016);
  • representing an estate in connection with several real estate transactions, including in 16-day federal jury trial against U.S. commercial bank in which jury unanimously found for the estate on its fraud and RICO claims, resulting in release of guaranty and return of collateral;
  • representing Brazil’s largest reinsurer in multiple actions to recover amounts due under certain global notes and securing judgments in excess of $100 million; engagement involved successful appeal to New York state’s highest court, an anti-suit injunction to enjoin competing Brazilian litigation, and sanctions against one of the recalcitrant debtors;
  • representing Kuwaiti businessman in multiple jurisdictions in dispute over the distribution of family assets, including the investigation of brother’s email hacking scheme and prosecution of claims regarding the same;
  • representing the owners of debt issued by one of Argentina’s largest energy companies in New York litigation to enforce the indebtedness;
  • advising Brazilian bank on potential litigation against U.S. company to attach assets and enforce judgment against its Brazilian subsidiary;
  • representing Greek national in a dispute concerning the location and division of family shipping assets, including 28 U.S.C. 1782 discovery action to aid proceedings in Greece and London; and
  • advising museum in dispute with artist regarding large-scale installation and obtaining injunctive relief allowing museum to open the show.

Noteworthy experience defending respondents includes:

  • successfully defending Western Hemisphere LNG producer against $250 million claim by major international energy company in UNCITRAL arbitration based in New York concerning long-term LNG supply contract;
  • defending Brazilian insurance company in 90-day ICC arbitration arising out of fire in the steam generation units of Brazilian aluminum plant, including U.S. confirmation and contempt proceedings;
  • representing multinational energy conglomerate in mediation and multiparty arbitration and litigation involving all aspects of the construction and operation of a 480MW power plant and associated pipelines in Brazil; disputes included a pricing dispute with the regulator, a dispute with the turbine manufacturer, a shareholder dispute concerning construction costs, and associated force majeure and insurance claims. The engagement involved working with a specialist engineering firm to evaluate construction claims, as well as analyzing construction contracts and fuel supply agreements;
  • defending major auction house in a dispute with consignor concerning alleged $40 million guarantee (case trial ready);
  • securing early dismissals for French conglomerate in series of securities class actions;
  • defending leading global private equity investment firm in multi-jurisdictional dispute over alleged fraud in connection with acquisition;
  • representing shareholder of Korean joint energy venture in arbitral dispute concerning management of venture;
  • defending a group of U.S.-based insurance agencies in a series of arbitrations before ad hoc tribunals against their former principal;
  • representing Western Hemisphere liquefied natural gas producer in arbitral dispute with an energy multinational concerning purchase price adjustment;
  • representing Western Hemisphere liquefied natural gas producer in dispute with equipment supplier (expert resolution);
  • defending U.S.-based reinsurer in arbitration with transaction counterparty concerning post-closing matters;
  • representing parents and children in several cases under Hague Convention on the Civil Aspects of International Child Abduction, in one case through writ of certiorari to Supreme Court;
  • defending two German clients in Alien Tort Statute litigation in the United States concerning apartheid;
  • defending South African client in Alien Tort Statute litigation in U.S. federal and state courts;
  • defending investment adviser in more than 60 class actions across the United States concerning market timing allegations, including before a multidistrict litigation panel;
  • defending one of world’s largest banks in multibillion-dollar class action concerning managed accounts; and
  • representing major auction house in dispute with Greek client concerning auction results, including lifting of TRO.

Lectures and Presentations

  • Presenter, International Dispute Resolution, Dublin Solicitors Bar Association Meeting, Washington, D.C., Fall 2016

  • Presenter, Commercial Arbitration Training for Arbitrators and Counsel, New York State Bar Association, New York, June 2016

  • Session Leader, Arbitration Training Institute, American Bar Association, Chicago, June 2016

  • Speaker, Winning in International Arbitration: Effective Advocacy from the Experts, Chicago, April 2016



  • J.D., The George Washington University Law School, 1998 (Law Review, Order of the Coif)
  • A.B., Princeton University, 1993 (cum laude)


  • New York
  • U.S. Court of Appeals for the Second and Eleventh Circuits
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Eastern District of New York


  • American Bar Association, Dispute Resolution Section, Programs Chair
  • International Institute for Conflict Prevention & Resolution (CPR) Awards Judge
  • Arbitral Women
  • Secretary, New York City Bar Association Committee on Professional & Judicial Ethics (2008-2011)


  • Law Clerk to the Honorable Richard W. Goldberg, U.S. Judge, U.S. Court of International Trade (1998-2000)

Betsy A. Hellmann

Counsel, International Litigation and Arbitration