Between 1983 and 2000 Maj Gen B. Kremenetskyi held various Air Force command, staff and administration positions including time as Military Observer, UN Mission to Tajikistan. Between 2002 and 2006 he was staff officer at the Cooperation and Regional Security Division, NATO International Military Staff after which he became Head, Euro-Atlantic Integration Department, General Staff, Armed Forces of Ukraine. From 2009 till 2014 he was Defence Adviser, Mission of Ukraine to the EU following position of the First Deputy Chief, Military Cooperation and Peacekeeping Operations General Directorate, General Staff, Armed Forces of Ukraine. He followed as Head of the UKR side of the Joint Ceasefire Coordination and Control Centre (Eastern Ukraine) until taking up his current appointment as Defence and Air Attaché, Embassy of Ukraine to the UK. Maj Gen B. Kremenetskyi is a graduate of the Air Force Engineer Academy (1983) (MA Avionics), US Air War College (1998) and National Security Course, JFK School of Government, Harvard University (2000)