May Khoury


+1 646 685 4791
+1 212 257 6950
Where Advocacy Meets Business

May advises corporate clients and foreign sovereigns in a wide range of litigation and arbitration matters. Her practice focuses on complex international disputes, and covers a broad range of industries, including banking, oil and gas, telecommunications, mining and natural resources, construction, licensing and distribution, and power generation. May has appeared before commercial and investment treaty tribunals in cases conducted in French and English, under all major institutional rules.


Prior to joining the firm, May worked at leading international law firms in Paris, Dubai, and New York. She graduated from Harvard University and Boston College Law School, where she was an editor of the Boston College International and Comparative Law Review.

Representative Matters

  • Representing a multinational energy company in an ICSID arbitration against a Latin American sovereign alleging breaches of a bilateral investment treaty and investment law.
  • Representing Spanish and Mexican entities in an ICC arbitration seated in Mexico City arising out of disputes between the owner and balance of plant contractor/turbine supplier on a wind project.
  • Representing a wind-turbine manufacturer in an arbitration under California law arising out of a dispute concerning a wind farm in the United States.
  • Represented a pharmaceutical company in an ICC arbitration concerning a licensing agreement dispute under New York law.
  • Defended a European sovereign against claims for breach of a bilateral investment treaty arising out of alleged violation of an investor’s legitimate expectations in their real estate investment, in an UNCITRAL arbitration seated in The Hague.
  • Advised a French engineering company in managing disputes arising out of its construction projects in the United States.
  • Represented a multinational telecommunications group in an ICSID arbitration against the Government of Iraq concerning claims arising out of a wireless telecommunications project.*
  • Represented a Swiss financial institution in a commercial arbitration dispute arising out of unpaid corporate bonds.*
  • Represented the State of Qatar in an ICC arbitration against an engineering company arising out of the design and construction of a utilities facility.*
  • Represented a Dutch minerals and chemicals company in an UNCITRAL arbitration arising out of the expropriation of a mining concession.*
  • Represented a US investor in an ICSID arbitration against a Central Asian state arising out of the unlawful expropriation of an oil concession.*
  • Advised a non-profit organization on a pro bono basis in relation to matters arising out of a clinical trial in the United States.*
  • Secretary of an arbitral tribunal in ICC arbitration seated in Paris between telecommunications operators for alleged breaches of a share purchase agreement.*

*Experience prior to joining Chaffetz Lindsey LLP


Speaking Engagements

  • “Saudi Arabia: A deep dive into enforcement under the NY Convention in Saudi Arabia and enforcement of Saudi Awards and Judgements in the U.S. and U.K.,” London International Disputes Week (LIDW), (UK, June 2024).
  • “Enforcement Under the NY Convention – Theory vs. Reality: A Saudi, U.K., and U.S. Perspective for GGG In-House Counsel and Practitioners,” Riyadh International Disputes Week, Speaker (Dubai, March 2024).
  • “Wrestling the Leviathan – Illegality and Corruption in Arbitration,” ICC Young Arbitration & ADR Forum Event, Panelist (Dubai, February 2024).



  • J.D., Boston College Law School with honors
  • M.A., Institut d’Etudes Politiques de Paris with honors
  • B.A., Harvard University with honors


  • Arizona
  • New York


English, French, Arabic


  • Inaugural Clough Public Interest Law Scholar
  • Augustus Clifford Tower Fellow

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