Valeriy Viktorovych Heletey is a Ukrainian Colonel General who served as Minister of Defense from 3 July to 14 October 2014.

Stepan Tymofiyovych Poltorak is a Ukrainian general who served as the Minister of Defence of Ukraine from 14 October 2014 until 29 August 2019. Previously he was the commander of the Internal Troops of Ukraine and National Guard of Ukraine. Poltorak's rank was General of the army of Ukraine. From 1 January 2019, Poltorak remained the country's defense minister as a civilian, after resigning from military service in October 2018. Poltorak resigned at the request of newly inaugurated president Volodymyr Zelensky on 20 May 2019.