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
Viktor Viktorovych Yanukovych Viktor Viktorovych Yanukovych Viktor Viktorovych Yanukovych (, ; 16 July 1981 – 20 March 2015) was a Ukrainian politician and Member of Parliament. He was the son of former Ukrainian President Viktor Yanukovych. Yanukovych was born 16 July 1981 in Yenakiieve, Donetsk region, to Viktor Yanukovych and Lyudmyla Oleksandrivna Yanukovych. He graduated from high school with a silver medal in 1998. From 1998 to 2003 he studied at Donetsk National University, majoring in "Enterprise Economy". He received a master's degree in “Enterprise Economics”. On 17 June 2009 he defended his dissertation titled "Formation and implementation of state social policy" at