Jann Kleffner

Contact information

  • Position

    Professor of International Law
  • E-mail

    jann.kleffner [at] fhs.se
  • Phone

    +46 8-55342758

Postal address

Box 27805
115 93 Stockholm

Visiting address

Drottning Kristinas väg 37


Prof. Dr. Jann K. Kleffner LL.M. is Professor of International Law and Head of the Centre for International and Operational Law at the Swedish Defence University. His research is on public international law, with a special focus on the international law of military operations, including the law of armed conflict and peace operations, jus ad bellum, international criminal law, and human rights law. He has published widely in these fields (over 70 publications) and is a frequent speaker at international conferences and seminars.

After studies in Germany, the UK and The Netherlands, Jann K. Kleffner obtained LL.M. and PhD degrees in international law from the University of Amsterdam Law School in The Netherlands. Prior to joining the Swedish Defence University, he was Assistant Professor of International Law and Deputy Programme leader of the research programme on 'The Role of Law in Armed Conflict and Peace Operations', at the University of Amsterdam. Professor Kleffner has been a fellow of the Institute for International and Comparative Law in Africa at the University of Pretoria, the Geneva Academy of International Humanitarian Law and Human Rights, and of DePaul University Law School, Chicago, USA.

Professor Kleffner has served as expert and consultant for a number of states and inter-governmental and non-governmental organisations, including the United Nations, the International Committee of the Red Cross, the International Criminal Court, the International Criminal Tribunal for the Former Yugoslavia and the International Law Association. He has also advised law firms in the areas of the law of armed conflict and international criminal law, in addition to fulfilling a number of editorial functions, including as Managing Editor and Member of the Editorial Board of the Yearbook of International Humanitarian Law.



See list of publications: