Dmitry Medvedev accepted resignation of Kostroma Region Governor Igor Slyunyaev 2012-04-13 20:00:00 The President signed Executive Order On Early Termination of the Mandate of Kostroma Region Governor. The Executive Order was signed following Igor Slyunyaev’s request for an early termination of his mandate. The President appointed Sergei Sitnikov acting head of Kostroma Region until a new governor of Kostroma Region takes office.