Cергей Маршенников was born in Ufa, Bashkiria, Russia. His grandfather was the general manager of a horse breeding company, his father, an electrical engineer and his mother was in pre-school education. As long as he can remember, Serge was drawing, painting and sculpting from any material he could lay his hands on. His mother encouraged Serge to study and from early childhood he studied with private teachers and attended art studios.