Authors of opinion
senior fellow at the Eurasia Center at the Atlantic Council, editor-in-chief of The National Post
General of the Army of Ukraine, Chief of the General Staff of the Armed Forces of Ukraine - Commander-in-Chief of the Armed Forces of Ukraine (July 3, 2014 - May 21, 2019)
Head of the Center for Defense Strategies, Minister of Defense of Ukraine (2019–2020)
Deputy of the Verkhovna Rada, co-chair of the "European Solidarity" faction, member of the committee on foreign policy and interparliamentary cooperation
head of the Public Control Council of NABU, one of the founders of the "Democratic Ax" party
