Claus Kreß


Claus Kreß (Dr. jur. Cologne; LL.M. Cantab.) is Professor for Criminal Law and Public International Law. He holds the Chair for German and International Criminal Law and he is Director of the Institute of International Peace and Security Law at the University of Cologne. His prior practice was in the German Federal Ministry of Justice on matters of criminal law and international law. Since 1998 he has been representing Germany in the negotiations regarding the International Criminal Court. Claus Kreß is co-editor of several law journals, including the Journal of International Criminal Justice and the Journal of the Use of Force and International Law. He is Life Member of Clare Hall College at the University of Cambridge, Member of the Academy of Sciences and Arts of Northrhine-Westfalia and recipient of the 2014 M.C. Bassiouni Justice Award.

Recently Published

Germany and International Criminal Law: Reflections in Light of Current Developments

In its comments of November 2023, Germany informed the International Law Commission of its view that the non-applicability of functional immunity in international criminal law stricto sensu is an emerging rule of customary international law. In a judgment of 2021, Germany’s Federal Court of Justice had, however, found that functional immunity is inapplicable as a matter…

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A Collective Failure to Prevent Turkey’s Operation ‘Peace Spring’ and NATO’s Silence on International Law

Since last week Turkey has been using massive military force in Syria. Turkey has decided to call her military operation ‘Peace Spring’. ‘Peace Spring’ seems to be even more extensive than ‘Olive Branch’, Turkey’s preceding invasion of Syria. ‘Peace Spring’ has already resulted in the flight of tens of thousands of civilians. Worldwide, observers fear that ‘Peace Spring’…

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