>Founder and Chair Music and Media Study Group, International Musicological Society (Zurich, Switzerland)
>Membre Comité d'honneur Paon d'Hera (Editions le Murmure, Neuilly-les-Dijon)
>International Expert Telling Sounds Research Project, Universität für Musik und darstellende Künste Wien (Vienna)
>Member Council & Editorial Board electronic scientific magazine Mediamusic (Moscow, Russia)
>Chair Stichting Utrechts Orgelrchief Maarten Albert Vente Stichting (Utrecht)