Oleksiy is president of the Centre for European and Transatlantic Studies, Ukraine (since 2005). Oleksiy was appointed project manager of the EUREKA Initiative in 2004 and also became editor-in-chief of “The Euro-Atlantic Ukraine” site. He is a member of the Coordination Council of Civic League “Ukraine-NATO”. Former posts include: Executive Director of “Ukraine – European Choice” (2002); Head of international relations and management branch of the Foundation of Youth Democratic Initiatives (1999-2002); assistant to member of Kyiv City Council (1999-2003); Secretary International for the Young Rukh (1994-2000); senior analyst for the department of political analysis in the Rukh’s Secretariat (1996-99); and various positions in the Institute of Cybernetics of the National Academy of Sciences (1988-1997), where he was also a post-graduate student (1985-88). He is the author of more than 100 analytical papers, articles and reports on transatlantic relations and the transformation of international institutions (including the EU and NATO).