Michał Marek - PhD student at WSMiP of the Jagiellonian University. Author of the scientific monograph “Operation Ukraine. Disinformation campaigns, narratives, methods of operation of Russian propaganda centers against the Ukrainian state in 2013-2019”. Founder of the Research Center for Contemporary Security Environment. An expert on counteracting disinformation, as well as an expert on socio-political changes which taking place in Eastern Europe, especially on Ukraine.