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
Oleksandr Turchynov political figure from Dnipropetrovsk. They used to have a common business in Dnipropetrovsk. In December 1993, Turchynov co-founded and became Vice President of Ukrainian Union of Industrialist and Entrepreneurs. In 1994 he created the political party Hromada together with Pavlo Lazarenko, a business ally of Tymoshenko. Turchynov was also director of the Economic Reforms Institute from January 1994 to March 1998 and was head of the Ukrainian National Academy of Sciences' Laboratory of Shadow Economy Research. In 1998, he was elected to parliament as a member of Hromada but after the scandal around Lazarenko, he left the faction and party