Born in Greece and living in France, he is Professor of Musicology at the University Paris 8 and director of the research team MUSIDANSE. He has published many books and articles about new music, and is one of the main international specialists on the music of Xenakis. Following on from his book De la musique au son (Engl. trans: From Music to Sound, Routledge, 2019), he is now developing the frameworks for an ecology of sound and music.