Sotiris started music classes with the Alexandria Philharmonic School and Orchestra in Egypt. He soon received his Diploma in Performance and Teaching for Clarinet and Saxophone under the instruction of I. Skortsis. Sotiris traveled to France in 1961 where he studied music and performed.
He has been member of many orchestras and was in charge of various wind ensembles. He loves to teach and has many students who are now successful performers and instructors themselves. He teaches clarinet and saxophone at Potenzia from 1998 and is the director of Potenzia Wind Ensemble.