Marney Cheek has advised clients 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 major arbitral institutions such as the AAA, ICC, ICSID, PCA, and SIAC. She represents clients in complex international commercial disputes, having successfully defended a life sciences client in a $1.8 billion claim filed by a collaboration partner and achieved a favorable settlement in a contentious dispute in the EV industry. Marney serves as both counsel and arbitrator in numerous investment treaty arbitrations and handles recognition and enforcement proceedings and other international issues in U.S. federal courts. In addition to leading complex disputes, Marney routinely advises both private sector clients and governments on public international law matters and issues arising under numerous multilateral treaties. She 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).
Marney’s 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, serves on the ICC Commission on Arbitration and ADR, and formerly served 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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