Member of the Federation Council Committee on Defense and Security, representative from the legislative (representative) body of state power of the city of Sevastopol. Position before election (appointment): Deputy of the Legislative Assembly of the city of Sevastopol, Chairman of the Standing Committee on Legislation and State Building of the Legislative Assembly of the city of Sevastopol.
Public support for Russian military aggression against Ukraine. Sergey Kolbin 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.