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Future Leaders

Future Leaders

Future Leader

WWL Ranking: Future Leader

WWL says

Diana Tsutieva wins widespread international praise for her impressive work handling both complex investment and commercial arbitration proceedings.


Diana Tsutieva is an experienced dispute resolution lawyer, specialising in international investment and commercial arbitration, as well as public international law matters. She is dual-qualified in civil law and common law and is admitted to practise in New York, Washington, DC, New Jersey and Paris, France. She is fluent in Russian, French and English. Diana has particular experience representing private and state-owned entities, states, and individuals from Europe, Asia, Africa, and Latin America in disputes before all major international arbitral forums, including ICSID, UNCITRAL and the ICC.

Diana has successfully handled arbitrations involving a wide range of industries, including oil and gas, mining, renewable energy, financial services and healthcare. She has also represented states in disputes involving international environmental law, issues of corruption, sovereignty claims and maritime and land boundary delimitations. She was part of the legal team that successfully represented Belgium in turning aside a US$2 billion ICISD claim by Chinese insurer Ping An. Her work also includes advising clients on such private and public international law issues as the enforcement and recognition of arbitral awards, compliance with international treaties and customary international law, humanitarian law and cultural property law.

Diana serves as a co-chair of the American Society of International Law’s dispute resolution interest group and as a vice chair of the Eurasia/Russia committee of the ABA Section of International Law. She regularly lectures at the Columbia Centre on Sustainable Investment’s executive training on investment arbitration.   

Prior to joining the private practice, she served as a judicial clerk to the Hon Judith M Barzilay at the US Court of International Trade in New York.

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