High Quality Content by WIKIPEDIA articles! Arseniy Petrovych Yatsenyuk (Ukrainian: Арсеній Петрович Яценюк; born May 22, 1974) is a Ukrainian politician, economist and lawyer. Yatsenyuk served in the government of Ukraine as Minister of Economy from 2005 to 2006; subsequently he was Foreign Minister of Ukraine in 2007 and Chairman of the Verkhovna Rada (parliament) from 2007 to 2008.