Stefanos Kozanis started being involved with music at a young age studying first classical guitar, organ then and, music theory. During his engineering studies in National Technical University of Athens attended classical piano lessons with Athanassios Trikoupis and gained a soloist diploma.

Always interested in jazz music, attended lessons at Athenaeum Conservatory with Giorgos Micros (jazz piano) and Sylvios Syrros (jazz improvisation), gaining the jazz piano performance and improvisation diploma. He gave several concerts as classical pianist in the Greek Territory, participated as pianist in choirs, orchestras etc.

In recent years performed with several jazz artists in various venues of the Athenian jazz scene. Besides piano performance composes music in a variatiy of musical genres, jazz as well.

He is a founding member of Jazz Tales.