Stergios Stassinopoulos was born in Athens. He studied painting at P. Sarafianos studio (1969). He also studied at Doxiadis Art-School (1969-1972).
He worked at Benaki Museum from 1974 to 2010. He participated at Pan-Hellenic Group Exhibition of Painting (1975).
After many years he exhibits the whole of his work at Thessaloniki, 2011.