Prof. Dr. Guénaël Mettraux is a Judge of the Kosovo Specialist Chambers. He appears as Defense counsel before international criminal jurisdictions. Over the past decade, he has represented several high-ranking military and civilian leaders accused of international crimes, including General Sefer Halilović (former Commander of the Army of the Republic of Bosnia and Herzegovina), Ljube Boškoski (former Minister of Interior of the Republic of the Former Yugoslav Republic of Macedonia), General Ante Gotovina (General in the Croatian Army) and Assad Hassan Sabra (Special Tribunal for Lebanon – Rafik Hariri assassination).
He also acts as a consultant before the International Criminal Court (including in the case Prosecutor v Jean-Pierre Bemba), the International Criminal Tribunal for the former Yugoslavia (including in the case The Prosecutor v Mico Stanišić), the Extraordinary Chambers in the Courts of Cambodia (for former Head of State, Khieu Samphan).
He advises countries, NGOs and international organisations, including the United Nations, on various issues pertaining to regulatory regimes, criminal trials, terrorism, international cooperation, criminal prosecutions, legislations and transitional justice.
He is also a Member of the European Union's Human Rights Review Panel.
Dr Mettraux is a Professor of Law at the University of Amsterdam (The Netherlands) and a guest lecturer at the University of Fribourg (Switzerland). He has published extensively in the field of international criminal law. His scholarly works include three books: "International Crimes and the ad hoc Tribunals (OUP, 2005), "Perspectives on the Nuremberg Trial" (OUP, 2008) and "The Law of Command Responsibility" (OUP, 2009), which was awarded the Lieber Prize from the American Society of International Law. He is a member of the Editorial Committee of the Journal of International Criminal Justice and the Board of Editors of the International Criminal Law Review.