Vitaly Hryhorovych Yarema is a Ukrainian politician, law enforcement expert who was General Prosecutor of Ukraine from 19 June 2014 until 10 February 2015. His previous position was First Deputy Prime Minister of Ukraine in Yatsenyuk Government since 27 February 2014, where he was responsible for law enforcement and the power block. Yarema was an MP of Batkivshchyna party (unaffiliated), a former head of the Ministry of Internal Affairs of Ukraine in Kyiv (2005–2010), and a retired lieutenant-general of police.

Serhiy Hennadiyovych Arbuzov is a Ukrainian former banker and politician who briefly served as acting Prime Minister of Ukraine from 28 January to 22 February 2014, following the resignation of Mykola Azarov amidst the escalating Euromaidan movement. He previously served as First Vice Prime Minister of Ukraine from 24 December 2012 to 28 January 2014. On 27 February 2014, in the aftermath of the Revolution of Dignity, Arbuzov was dismissed, and Arseniy Yatsenyuk was elected as the new Prime Minister.