Head of the Ukrainian state Petro Poroshenko with his decrees has dismissed Dmytro Shymkiv from the post of deputy head of the presidential administration of Ukraine and appointed Serhiy Marchenko to the post. “Dismiss Dmytro Anatoliyovych Shymkiv from the post of deputy head of the presidential administration of Ukraine,” reads the text of decree No. 265/2018, published on the presidential website on Friday afternoon. “Appoint Marchenko Serhiy Mykhailovych as deputy head of the presidential administration of Ukraine,” says the text of decree No. 226/2018.