Miriam Harwood is co-head of the firm’s Investment Arbitration Practice and partner in the world-renowned International Dispute Resolution Practice. Her work in international arbitration includes commercial disputes and investment treaty claims, and she has represented a broad array of states, governmental agencies and private entities in a wide range of cases.

    Miriam has handled arbitrations at the International Centre for Settlement of Investment Disputes (ICSID), the International Court of Arbitration (ICC), the Permanent Court of Arbitration (PCA), the Stockholm Chamber of Commerce (SCC) and under the rules of the United Nations Commission on International Trade and Law (UNCITRAL).

    In addition to international arbitration, Miriam has practiced commercial litigation in U.S. courts, including contract disputes, bankruptcy, intellectual property, enforcement of arbitral awards, and matters involving international law and sovereign immunity.

    Chambers USA 2020 ranks Miriam as a leading practitioner for International Arbitration in its prestigious rankings of the world’s most elite counsel in the field. She has also been recognized for her work by Who’s Who Legal, Global Arbitration Review, The Legal 500 USA and The Legal 500 Latin America. She was named in the Top 100 Female Lawyers for Latin America by Latinvex from 2016 to 2019, and recognized by the New York Law Journal as one of its 2020 Distinguished Leaders.

    In the most recently published rankings, clients commented that Miriam is “absolutely outstanding under fire from the other side and she had a mastery of the facts" (Chambers USA 2020) and that “words don’t do justice to the ability of Miriam Harwood — she continually delivers and has an ethic that strives for excellence” (The Legal 500 USA 2020).

    In 2020, Miriam was appointed to the prestigious ICSID Panel of Arbitrators, for a term of six years.

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    • Represented the State of Turkmenistan in more than 20 investor-State treaty and commercial arbitrations from 2009 to the present, including a dozen ICSID arbitrations and cases under the UNCITRAL/PCA, ICC and SCC rules, involving claims by investors under BITS with Turkey, Russia, Germany and the UK, involving disputes in the construction, telecommunications, agriculture, mining and gas industries.
    • Represented the Kingdom of Spain in an ICSID annulment proceeding, winning a historic annulment of a EUR 128 million Award in a dispute regarding renewable energy regulations, and in multiple U.S. court proceedings relating to enforcement of arbitral awards.
    • Represented Croatia in an ICSID arbitration brought by a German national in a dispute concerning ownership of real property allegedly purchased during the war of independence in the 1990s.
    • Represented Romania in an ICSID arbitration brought by investors under multiple intra-EU BITs in disputes regarding changes in renewable energy regulations.
    • Represented Albania and the state-owned oil company in an ICC arbitration brought by a Canadian company in a dispute concerning the operations of Albania’s largest oilfield. 
    • Represented the State of Kuwait in its first-ever ICSID arbitration, brought by Spanish company OHL and two Italian companies, Trevi and Rizzani de Eccher, under the Spain-Kuwait and Italy-Kuwait BITs, regarding a US$1 billion highway and infrastructure construction project in Kuwait City.
    • Represented the State of Libya in an ICSID arbitration brought by Austrian construction company Strabag under the Austria-Libya BIT, in connection with six highway and infrastructure projects interrupted by the Libyan revolution.
    • Represented Venezuela and the state-owned oil company in several ICSID and ICC arbitrations involving disputes in the oil and gas, maritime and telecommunications industries, including a US$30 billion arbitration brought by U.S. oil company ConocoPhillips and a US$16 billion arbitration brought by subsidiaries of ExxonMobil relating to oil projects in Venezuela.


    • Fordham University School of Law, J.D., Fordham International Law Journal, Research and Writing Editor
    • Barnard College, Columbia University, B.A., cum laude


    • New York
    • U.S. Dist. Ct., S. Dist. of New York

    Memberships and Affiliations

    • Panel of Arbitrators, International Centre for Settlement of Investment Disputes
    • International Bar Association
    • American Society of International Law
    • Advisory Board, The American Review of International Arbitration, Columbia Law School
    • Board of Directors, New York International Arbitration Center
    • Law360 International Arbitration Editorial Board
    • Who’s Who Legal 2021: Arbitration – USA, Arbitrator and Counsel 
    • Chambers USA 2020:  International Arbitration  
    • Global Arbitration Review
    • Legal 500 USA and Legal 500 Latin America
    • New York Law Journal 2020 Distinguished Leaders 
    • Latinvex - Top 100 Female Lawyers for Latin America, 2016-2019

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    Miriam regularly lectures at professional conferences and training programs around the world about topics of international law and arbitration, including:

    • Faculty, Columbia University Law School Executive Training Program on Investment Treaties and Arbitration for Government Officials: lecturer on investment treaties, international law and arbitration, and quantification of damages, 2017-2020.
    • Czech Republic Annual Investment Treaty Arbitration Conference for government officials: lecturer on investment treaty standards such as fair and equitable treatment, expropriation and compensation for damages, and drafting of investment treaties, 2012 to 2020.
    • Ministry of Justice of Turkmenistan: training programs on international law, arbitration and investment treaties for government officials, law school and university students.
    • Featured speaker at numerous professional conferences and training programs around the world, including the International Law Institute (Washington D.C.), American University, Columbia University Center on Sustainable Investment, Juris Conferences, Global Arbitration Review, the Institute for Transnational Arbitration, Young ICCA and the American Bar Association.
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