Elizabeth Nielsen is counsel based in the New York office and a member of the Litigation Department. Her practice focuses on international commercial and treaty arbitrations, public international law, and white collar criminal defense.

Ms. Nielsen has an active pro bono practice, most recently representing plaintiffs in Alien Tort Statute and Torture Victims Protection Act cases with co-counsel the Center for Justice and Accountability. These include civil suits against the alleged commander of the Lutheran Church massacre of approximately 600 unarmed civilians in Liberia, and the former Secretary of Defense of Sri Lanka for his alleged involvement in the attack, torture, and murder of a journalist.

Ms. Nielsen joined Debevoise in 2014. From 2012-2013 Ms. Nielsen clerked for Chief Judge James E. Baker of the U.S. Court of Appeals for the Armed Forces, and from 2013-2014 for the Hon. Edward R. Korman of the U.S. District Court for the Eastern District of New York. Ms. Nielsen received a J.D. from Yale Law School in 2011, where she was senior editor of the Yale Journal of International Law. She received a B.A. from Northwestern University in 2008, where she was a member of Phi Beta Kappa.

Ms. Nielsen is a member of the Bars of New York and the District of Columbia, and is admitted to practice before the United States District Courts for the Eastern and Southern Districts of New York, the Second Circuit Court of Appeals, and the U.S. Court of Appeals for the Armed Forces. She is a member of the American Society of International Law and served on the Program Committee for the 2016 Annual Meeting.


  • Yale Law School, 2011, J.D.
  • Northwestern University, 2008, B.A.

Bar Admissions

  • New York
  • District of Columbia