President of Ukraine by acting president Oleksandr Turchynov, who then also served as Chairman of the Ukrainian Parliament, on 21 February 2014. Oleksandr Turchynov was the only acting president in Ukraine's modern history. Unlike in the US, where the vice president immediately receives all powers of the presidency upon assumption of the presidential office, in Ukraine the powers of an acting president are severely limited. On 18 June 2015, Yanukovych was officially deprived of the title of president of Ukraine. The current president is Petro Poroshenko who took the oath of office on 7 June 2014. The Government of Ukraine utilizes a Semi-presidential
Yuriy Ilyin Yuriy Ilyin Yuriy Ivanovych Ilyin (born 21 August 1962) is a Ukrainian Admiral and former Commander of the Ukrainian Navy. He was elevated to the position of Chief of the General Staff by President Viktor Yanukovych on 19 February 2014 after the existing chief, Colonel General Volodymyr Zamana, was dismissed by the President during the February 2014 Euromaidan riots. After an admission to hospital following a heart attack on 27 February 2014, Ilyin was dismissed from the post of Chief of the General Staff by interim President Alexander Turchynov on 28 February 2014. Ilyin was born in Rogachev City, now