Lieutenant General, Commander of 41st Army, Central MD, Russian Armed Forces, military unit 44424 — 41st Combined Arms Army, Central MD, Russian Armed Forces
Took a direct part in the planning and organization of military invasion into Ukraine on February 24, 2022. In the course of February-April 2022 commanded the units of 41st Army within the "Tsentr" Combined Troops Grouping. Operational area - Sumy and Chernihiv oblasts. Subdivisions subordinate to S. Ryzhkov are involved in war crimes against the civilians.