Secretary of Foreign Affairs of the State Secretariat of the West Ukrainian People's Republic (1919).
In the years 1907–1914 he lived and worked in Kyiv, Kharkiv, Odesa, Warsaw, Vilnius, Moscow, Saint Petersburg).
From March 1919 he was Deputy Secretary of State for Foreign Affairs of the Government West Ukrainian People's Republic.
In 1921–1927 he was in exile in Czechoslovakia professor of International Law and History of Political Thought Ukraine Ukrainian Free University (Prague).
Special NKVD troika of the Leningrad Region 9 October 1937 sentenced to capital punishment.