Doctor of law, Professor of the Department of international law,
head of the Scientific and educational center of the theory of international law named after G. I. Tunkin, Law faculty of Lomonosov Moscow State University.
Member of the Committee «Recognition / Non-recognition in international law» of the International Law Association (London).
Member of the Scientific Advisory Council of the Supreme Court of the Russian Federation..
Member of the Dissertation Council of the Diplomatic Academy of the Russian foreign Ministry, specialty 12.00.10 » International law. European law».