Maliaras studied at the Universities of Athens and Munich (PhD 1990) and at the National Conservatory of Greece. He serves as a professor of Historical Musicology at the University of Athens and director of the Laboratory for the Study of Greek Music.
He has published nine books and numerous articles in periodicals and has participated in many international congresses in Greece and abroad. His scholarly interests focus on Modern Greek art Music as well as the field of byzantine secular music and musical instruments. He has also published studies on the work of Bach, Brahms, Mendelssohn, Haydn, Stravinsky, R. Strauss, Chopin et al.
He is conductor of the Students’ Choir of the Department of Music Studies at the Athens University and the “Manolis Kalomiris” Children’s Choir. He is Founder and Chairman of the Athens Philharmonia Orchestra, Chairman of the Athens Youth Symphony Orchestra, Vice-Chairman of the Greek Musicological Society, Secretary of the “Manolis Kalomiris Society” and Member of the Society of the Friends of Music.