>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)