He is Assistant Professor in the Department of Music Studies at the University of Athens. He studied Physics (University of Athens) as well as piano, theory and composition with Yiannis Ioannides. As postgraduate student he studied formalized music under Iannis Xenakis, as well as musicology and aesthetics of music under Michel Guiomar and Daniel Charles. In 1982, he received the post-graduate diploma D.E.A. from the University of Paris I – Panthéon-Sorbonne. His thesis on The crisis of theme in the work of the Second Vienna School composers: Schönberg, Berg, Webern earned him a Ph.D. degree in Musicology from the University of Thessalonica in 1995.G. Zervos has published several articles and two books on 20th century music (The crisis of music through the crisis of the theme and the forms, Athens 2002, and Nikos Skalkottas and the European tradition in the beginning of the 20th century, Athens 2002).
He has composed chamber and vocal music, as well as works for orchestra. Two of his pieces of music (the ballet Eros and Psyche and the String quartet No 2) have been recorded by Warner Music and Agora, respectively. His works have been performed in Greece as well as in Italy, Bulgaria, Cyprus, France and USA.