Julianne J. Marley

Associate

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New York

Tel: +1 212 909 6706

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Julianne J. Marley is a litigation associate whose practice focuses on international dispute resolution and public international law.Ms. Marley’s practice spans a wide variety of international disputes involving both commercial parties and states. Ms. Marley has extensive experience representing clients in treaty-based investment disputes and international commercial arbitrations, including under the ICC, ICSID and UNCITRAL rules, and in a range of sectors, including tech, mining, financial services, and retail. She has appeared as counsel in a variety of fora, including before the International Court of Justice and the UN Committee on the Elimination of Racial Discrimination (CERD). Ms. Marley is recognized in Lexology Index: Arbitration (2025) as a Future Leader in international arbitration.Ms. Marley regularly speaks and publishes on international arbitration-related issues. Ms. Marley currently serves as co-chair of the Membership Committee for the American Society of International Law (ASIL), and as co-vice chair of ASIL’s International Economic Law Interest Group. She previously served on the Program Committee for ASIL’s 2017 Annual Meeting. Ms. Marley is actively involved in the firm’s pro bono practice, where her practice focuses on representing clients in asylum proceedings and immigration-related matters as well as pro bono work related to human rights and fair trial advocacy. Ms. Marley is also a lecturer at Michigan Law, where she teaches a course on International Investment Law and Arbitration.Ms. Marley joined Debevoise in 2015. From 2014 to 2015, she clerked for the Hon. Janet C. Hall, Chief District Judge for the District of Connecticut. Ms. Marley received a J.D. from New York University School of Law cum laude in 2014, where she was an Institute for International Law and Justice Scholar and managing editor of the Journal of International Law and Politics. She received her B.A. summa cum laude from Boston College in 2006. Ms. Marley is a member of the Bar of the State of New York, and is admitted to appear before the Southern District of New York.