FacultyFaculty/Author Profile
Mark S. McNeill

Mark S. McNeill

Shearman & Sterling LLP

London, GBR

Mark McNeill is a partner in Shearman & Sterling’s International Arbitration Group. He has fifteen years of experience representing companies and States in international arbitrations, both ad hoc and institutional, with a focus on intellectual property and technology cases. He has handled disputes in the pharmaceutical, chemical, aviation, nuclear construction, mining and reinsurance industries.

Before joining Shearman & Sterling’s international arbitration team in January 2007, Mark McNeill was an Attorney-Adviser in the Office of the Legal Adviser of the U.S. Department of State, where he represented the United States in investor-State arbitrations under the investment chapter of the North American Free Trade Agreement (NAFTA). Prior to that, he was an international arbitration associate in Shearman & Sterling’s New York office.

Chambers Global notes that Mark McNeill “receives consistently positive market feedback." In particular, clients have praised his pleading skills, stating that he is “very sharp,” “uses just the right tone and words” and is “very talented."

Selected Experience

Recent or pending arbitrations in which Mark McNeill has appeared as counsel include the representation of:

  • A French-German consortium in an ICC arbitration in Stockholm against a Finnish utility company. The dispute arises from an agreement for the construction of a nuclear power plant in Finland. Finnish law governs and the language of the proceedings is English. Over EUR 5.8 billion is at stake.
  • A British oil and gas company in connection with a potential investment treaty claim against an Asian State. The advice relates to tax measures taken against the company.
  • Electricité de France (EDF) as Claimant in an UNCITRAL arbitration against the Republic of Hungary. The dispute arises from termination of the Power Purchase Agreements put in place during the privatisation of the electricity sector. The claims are brought under the Energy Charter Treaty and the arbitration is conducted in accordance with UNCITRAL Rules. Hundreds of millions of US dollars are at stake.
  • A European pharmaceutical company as Claimant in an ICC arbitration in Paris against three subsidiaries of a global health care company arising out of a license agreement. French law applies.

Related Services





New York University School of Law, J.D., 1998

The Johns Hopkins University, School of Advanced International Studies, M.A., 1995

Colgate University, B.A., 1989


New York



United States Court of Appeals for the Second Circuit

United States District Court for the Southern District of New York

United States District Court for the Eastern District of New York








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