In 1990, Judge Meron served as a Public Member of the U.S. Delegation to the Commission on Security and Cooperation in Europe (CSCE) Conference on Human Dimensions in Copenhagen. In 1998, he served as a member of the U.S. Delegation to the Rome Conference on the Establishment of an International Criminal Court (ICC).
Since his election as a Judge of the International Criminal Tribunal for the former Yugoslavia (ICTY) by the UN General Assembly in March 2001, Judge Meron has served on the Appeals Chambers of both the ICTY and the International Criminal Tribunal for Rwanda (ICTR). He served four terms as President of the Tribunal; first from 2003 to 2005, then two consecutive terms from 2011 to 2015. From 2012 to 2019, he was serving as President of the UN International Residual Mechanism for Criminal Tribunals. He retired in 2021.
Judge Meron has an extensive academic career as a lecturer. Since 2014, he has been a visiting professor of international criminal law at the University of Oxford. He is the author of more than 100 articles in legal publications and 15 books covering topics of human rights and international law.