Simon is counsel in the Washington, DC office. He has significant experience in commercial arbitration and investment arbitrations, having represented clients across a wide range of sectors.

Simon’s experience includes:

  • Representing Elliott Associates LP in its $700 million claim against the Republic of Korea under the United States-Korea Free Trade Agreement
  • Advising a number of international oil companies concerning production sharing contracts rights in Nigeria
  • Representing oil and gas explorers on claims arising out of ownership rights to produced petroleum, plugging and abandonment obligations, the negligent conduct of oilfield operations, and the termination of licenses in South America and the former Soviet Union
  • Representing a UK renewable energy company in a $200 million concession dispute with an African State
  • Representing Sacyr in a US$1 billion dispute relating to claims brought under the Spain-Panama BIT by a contractor for the Panama Canal Third Set of Locks Project

Simon co-authored the chapter “Fair and Equitable Treatment: Legitimate Expectations and Transparency” in ICSID’s 50th anniversary text Building International Investment Law: The First 50 Years of ICSID. He sits on the Banking and Financial Services Committee for the International Institute for Conflict Prevention & Resolution (CPR).

Simon is recognised in Who’s Who Legal as a global leader for Arbitration, which highlights that his “analytical skills, clear communication style, and legal expertise make him a strong practitioner” and that “he has the ability to articulate issues in a clear, concise manner”, noting “he is confident and sharp”. Simon has been recognised for International Arbitration in The Legal 500 US since 2020 and clients have described him as having “formidable analytical skills and great client service”.

Simon received his LLM from Columbia Law School, where he studied as a Fulbright scholar. Before that, he received an LLB with first-class honours and a BA with first-class honours from the University of Canterbury in New Zealand. He speaks English and French, and is admitted to practice in Washington, DC, New York, and New Zealand.