Deputy Chairman of the Federation Council Committee on Defense and Security, representative of the executive body of state power of the Saratov region. Position before election (appointment): Head of the Main Directorate of the Ministry of Internal Affairs of the Russian Federation for the Saratov Region.
Public support for Russian military aggression against Ukraine. Sergey Arenin is included in the report "1500 warmongers" compiled by the Free Russia Forum. The report contains the names of Russian public figures, military commanders, members of the parliament, propagandists, artists and athletes who have publicly spoken out in support of Putin's aggression or are directly involved in it. The Free Russia Forum is seeking sanctions against them in the European Union.