In 1982-1987 - he was junior researcher, senior laboratory Kiev Trade and Economic Institute.
In 1993-1994 - Head of Department of Nordic and Baltic Ministry of Foreign Affairs of Ukraine.
In 1997-1998 - Deputy Head of European and transatlantic integration of the Ministry of Foreign Affairs of Ukraine.
In 1998-2001 - Deputy Chairman of the Foundation for Local Self-Government of Ukraine on international issues.
From 2001 - he was head of the United Nations and other International Organizations, Ministry of Foreign Affairs of Ukraine.