Arseniy Petrovych Yatsenyuk (born 22 May 1974) is a Ukrainian politician, economist and lawyer who served two terms as Prime Minister of Ukraine – from 27 February 2014 to 27 November 2014 and from 27 November 2014 to 14 April 2016. He was the youngest foreign affairs minister in Ukraine's history.
Yatsenyuk's first government post was 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. Yatsenyuk was one of the leaders of Ukraine's second largest party All-Ukrainian Union "Fatherland", and former leader of its parliamentary faction. He became the prime minister of Ukraine following the 2014 revolution that removed Viktor Yanukovych from power. In September 2014, Yatsenyuk started the new party People's Front. On 16 February 2016, the president of Ukraine, Petro Poroshenko, asked Yatsenyuk to resign saying he had lost the support of the coalition and the same day, the Ukrainian parliament voted the cabinet's work unsatisfactory but rejected a call for a vote of no confidence. On 10 April 2016, Yatsenyuk announced that he would report to parliament on 12 April and resign as prime minister. On 14 April 2016, Yatsenyuk was replaced by new prime minister Volodymyr Groysman. As of December 2025, he is the Chairman of the Kyiv Security Forum and the founder of the Open Ukraine Foundation. He holds the diplomatic rank of extraordinary and plenipotentiary ambassador.
