Alyssa Yamamoto is an associate in the Litigation Department.

Ms. Yamamoto joined Debevoise in 2018. She received her J.D. from Yale Law School in 2018, where she was a Herbert J. Hansell Fellow at the Center for Global Legal Challenges. She obtained an A.B. magna cum laude from Harvard College in 2012. Prior to law school, she worked as a researcher and engagement manager for the non-profits Partners In Health and Village Health Works respectively.

Ms. Yamamoto is the co-author of several articles, including “Aiding and Abetting in International Criminal Law,” Cornell Law Review (2019), “Yemen: Is the U.S. Breaking the Law,” Harvard National Security Journal (2018), and “Grassroots Philanthropy,” Social Research (2013). She is also a contributor to Reimagining Global Health (University of California Press 2013).

Ms. Yamamoto has an active pro bono practice, most recently representing plaintiffs in Alien Tort Statute and Torture Victim 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 against the former Secretary of Defense (now President) of Sri Lanka for his alleged involvement in the attack, torture, and murder of a journalist.

Ms. Yamamoto is a member of the Bar of New York, and is admitted to practice before the U.S. District Courts for the Southern and Eastern Districts of New York.


  • Yale Law School, 2018, J.D.
  • Harvard University, 2012, B.A.

Bar Admissions

  • New York