Grant Hanessian is an independent arbitrator and neutral in New York, specialising in international, investor-state and complex commercial disputes. For more than three decades, Mr Hanessian acted as counsel and arbitrator in a wide range of commercial and treaty disputes arising under the laws of many common and civil law countries and public international law. Prior to July 2020, he was a partner at Baker McKenzie, where he practised for 33 years, and served as global co-head of the firm’s international arbitration practice, head of its international arbitration practice in North America and head of its New York office litigation department.
Mr Hanessian was US member of the ICC International Court of Arbitration from 2015 to 2021 and chair of the ICC-USA/Arbitration Committee of the US Chamber for International Business (US national committee of the ICC) from 2015 to 2020. He is currently US vice president of the London Court of International Arbitration’s North American Users’ Council, and a member of the ICC’s Commission on Arbitration, the American Arbitration Association–International Centre for Dispute Resolution’s International Advisory Committee and its Advisory Committee on Brazil, the International Arbitration Club of New York, the Arbitration Committee of the International Institute for Conflict Prevention and Resolution, the New York City Bar Association’s Committee on International Commercial Disputes and Club Español del Arbitraje. He is a fellow of the College of Commercial Arbitrators and a founding board member of the New York International Arbitration Center.
Mr Hanessian is editor of ICDR Awards & Commentaries (Volumes I and II), International Arbitration Checklists (3rd edition, Juris, 2016) and Gulf War Claims Reporter (ILI/Kluwer, 1998). He has authored more than 50 articles and book chapters on international dispute resolution topics and spoken at conferences and universities worldwide. He is annually recommended in Chambers Global and Chambers USA (‘a mastermind’; ‘people go back to him again and again because of his command of the matters’; ‘exceptionally experienced’; ‘his attention to detail and ability to handle complex procedural issues sets him apart’; an ‘elite lawyer’ who is ‘very experienced, hugely knowledgeable and effective’; a ‘powerful advocate for clients’); The Legal 500 (‘a great practitioner’ with a ‘strong commercial profile’); PLC Which lawyer? ; Who’s Who Legal: Arbitration (‘superb counsel and arbitrator’); Expert Guides: Leading Practitioners in International Arbitration (ranked among the ‘Best of the Best’ in international commercial arbitration); and Who’s Who Legal Thought Leaders: Ar bitration .
Mr Hanessian is an adjunct professor of law at Fordham Law School, where he teaches international commercial arbitration and the LLM International Arbitration Practicum course.
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