Born in 1980 in the city of Novodnistrovsk, Chernivtsi region. His father left the family when Sergius was one year old. He studied at Novodnistrovsky Secondary School № 2, got basic secondary education. In 1991, Sister Irina moved to a permanent residence in the Russian Federation, Sergei stayed in Novodnistrovsk with his mother Valentina Ivanovna. In 1996 he joined the NEC, having acquired theoretical and practical knowledge necessary for work in the communal economy. Having married for the second time, my mother left for the Vinnytsia region; Sergei worked in Novodnistrovsk, often a mother and assisted with housekeeping.