Sergey Ivanovich Kislyak
Life and career
From 1981 to 1985, Kislyak was the Second Secretary at the Permanent Mission of the Soviet Union to the United Nations in New York City, and from 1985 to 1989 he was First Secretary, Counsellor at the Embassy of the Soviet Union in Washington, D.C..
From 1989 to 1991 he was Deputy Director of the Department of International Organisations in the Soviet Foreign Ministry, and from 1991 to 1993 he was Deputy Director of the Department of International Scientific and Technical Cooperation in the Russian Ministry of Foreign Affairs. From 1993 to 1995 he was Director of the Department of International Scientific and Technical Cooperation and from 1995 to 1998 he was Director of the Department of Security Affairs and Disarmament in the Russian Foreign Ministry.