In July 2014, he resigned from the post of the Chairman of the Board of MHP due to the appointment to the post of first Deputy Head of the Presidential Administration of Ukraine.
On the appointment of Kosyuk, the President of Ukraine Petro Poroshenko announced on 2 July 2014 at a meeting with the leaders of Deputy factions and groups of the Verkhovna Rada of Ukraine. In this position, he was in charge of acquisition, technology, and logistics of security agencies. On 8 December 2014, the President Petro Poroshenko dismissed Yuriy Kosyuk from the post of the Deputy Head of the Presidential Administration by Decree No. 924. However, by Decree No. 925 of the same date, Kosyuk was appointed an Adviser to the President. Thereafter, he was newly elected the Chairman of the Board of MHP.