Mark Feigin was born on June 3, 1971 in Kuibyshev.
In 1989, he joined the first opposition party in the Soviet Union, the Democratic Union.
In 1994 he became the youngest deputy of the State Duma of Russia (Russia's Choice faction).
In 1995, he took part in the rescue of Russian prisoners of war during the First Chechen War.
Graduated from Samara State University (Faculty of Law) in 1995. Later he studied at the Academy of National Economy and the Diplomatic Academy of the Ministry of Foreign Affairs of the Russian Federation. In the early 1900s, he began to practice as a lawyer. He became widely known thanks to the cases of Pussy Riot, Nadezhda Savchenko, Mustafa Dzhemilev. Thanks to his YouTube channel, he has become one of the most notorious public opponents of the Putin regime.