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Yulia Tymoshenko is a Ukrainian politician who served as Prime Minister of Ukraine twice, from February 2005 to September 2005 and December 2007 to March 2010. She is a leading figure in the Batkivshchyna political party and has been its leader since 2005. Turchynov was Tymoshenko's close associate in the party and served as her deputy prime minister from 2007 to 2010.