Fyodor Dmitrievich Berezin (Russian: Фёдор Дмитриевич Березин; born February 7, 1960) is a Russian science fiction writer. He is also a collaborator of Putin's Russia and pro-Russian separatist and member of the terrorist organization "Donetsk People's Republic". Figure on sanctions lists in EU countries, Ukraine, etc. Born in Donetsk, he attended the Engels anti-aircraft training school until his graduation in 1981. In 1991, Berezin departed the military at the Captain rank. Prior to his approach into science fiction, Berezin worked in numerous other career fields, such as a mining engineer.