Marney Cheek has advised companies, non-governmental organizations, and governments on high-stakes international disputes and legal strategy for more than 20 years.
Marney serves as both counsel and advocate before numerous international arbitral tribunals and courts, including the International Court of Justice, U.S. federal court, and major arbitral institutions such as the AAA, ICSID, PCA, and SIAC. She represents clients in complex international commercial disputes, having successfully defended a client in a $1.8 billion claim filed by a collaboration partner. Marney serves as both counsel and arbitrator in numerous investment treaty arbitrations. She is an expert on public international law and currently represents the Government of Ukraine in its landmark cases before the International Court of Justice adverse to the Russian Federation, including Allegations of Genocide under the Convention on the Prevention and Punishment of the Crime of Genocide (Ukraine v. Russian Federation).
In addition to leading complex disputes, Marney routinely advises clients on public international law matters and issues arising under numerous multilateral treaties. Her pro bono work includes representation of Radio Free Europe/Radio Liberty, and she serves on the Steering Committee of Covington’s Wimmer Initiative, a pro bono program that focuses on protecting and advancing media freedom. She also is at the forefront of business and human rights disputes, having represented global labor unions in the first binding arbitration brought under a business and human rights compact, the Bangladesh Accord on Fire and Building Safety.
Drawing upon her experience as Associate General Counsel at the Office of the U.S. Trade Representative, Marney also routinely counsels clients on international trade matters and is a member of the roster of arbitrators for several U.S. free trade agreements.
Marney is a member of the Council on Foreign Relations and serves as a Vice President of the American Society of International Law. She is also a member of the Board of Directors of the Robert H. Jackson Center. She has previously taught investment law at Columbia University School of Law. She is recognized as an “extraordinarily thoughtful” and “creative” lawyer with a “wealth of knowledge” on international law matters in Chambers and Legal 500.
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