Dr. jur. (Göttingen). Scientific Member of the Institute of Public International Law, University of Göttingen, Germany. Honorary Lecturer in Nuclear Law at the University of Dundee, Scotland, United Kingdom. Since 1970 Adviser in Nuclear Law Matters to the Government of Germany and ad hoc Adviser to the Governments of other States. Representative of Germany at numerous international negotiations, conferences, and other meetings. Representative of the European Union Council in the Korean Peninsular Energy Development Organisation’s (KEDO) Contact Group on Nuclear Liability.
Director of the Centre for Studies and Research in International Law and International Relations at the Hague Academy of International Law, Netherlands, in 1993. Member of the Board of the International School for Nuclear Law in Montpellier, France. Organiser of, and teacher at, numerous international conferences and seminars. Honorary President and Board Member of the International Nuclear Law Association (INLA), Chairman of the German Branch of INLA. Author and editor of more than 160 nuclear law publications.