He defended his PhD thesis in the Diplomatic Academy of the  Ministry of Foreign Affairs of the USSR (1985)

Attache at the Ministry of Foreign Affairs of the USSR (1979);

He was appointed Senior Political Affairs Officer at the UN Geneva headquarters (1980);

He has worked at The United Nations Institute for Disarmament Research in Switzerland;

He returned to the Ministry of Foreign Affairs of the USSR, Moscow (1986);

Head of Department of  Disarmament Problems at International Organization Department (1986-1989), Director of Multilateral Disarmament and International Security Department (1990-1991);

Special Advisor of the Russian Federation (RF) Foreign Minister, Chairman of the Russian Foreign Policy Fund, Head of Foreign Policy Planning Department (1991);

Member of the Resolutions Council under the UN Secretary-General (1993);

Ambassador Extraordinary and Plenipotentiary  of the RF to the Republic of Colombia (1994-1999);

Partner of Moscow branch of "Yeqorov, Puginski, Afanasyev and Partners" law firm (later - lawyer  bureau) (1999-2013);

The director of the Moscow office of the KAMS law firm (since 2013);

Professor of Moscow State University of International Relations;

Read lectures at the Pantheon-Assas (Paris 2) University in Paris;

Read lectures at Georgetown  University (Washington, USA), Geneva Institute of International Affairs, France International Relations Institute, Ekol Militar Military Academy (Paris), Miami University (USA);

A number of works on international security and disarmament issues have been published;

Vice-President of the Russian-American Business Cooperation Council (since 2000);

He is one of the initiators of the Russian-American business dialogue. In this regard, he is actively involved in the preparation of recommendations for Russian business circles to improve the political climate of Russian-American economic relations.