Graduated from Samara State University’s Faculty of Law in 1995. Served as a member of the Russian State Duma and later as Deputy Mayor of Samara.
Gained prominence as a defense attorney in high-profile political cases, representing Pussy Riot members and Ukrainian pilot Nadiya Savchenko. Disbarred in 2018 amid increasing political pressure.
Hosts the YouTube channel Feygin Live, covering Russian politics, war in Ukraine and human rights.