In 1982 he was appointed Principal Inspector of Music at the Directorate of Music and Dance of the French Ministry of Culture, and in 1984, General Inspector in charge of teaching and training.

In 1988 he initiated the new department of Creation and Music of Today within this Ministry and was its technical director until 1990. Artistic Director of the creation studio La Muse en Circuit, founded with Luc Ferrari, he then worked regularly in Germany (Potsdam, Berlin, Cologne, Frankfurt ...) where he was invited to various symphonic ensembles and radio stations. The eclecticism of his production as a composer and performer has led him to collaborate with creators of very diverse aesthetics and backgrounds (musicians, actors, choreographers, visual artists, directors...) His activities touch many fields.

He has directed films for television, composed music for image, dance and stage. He is also the author of numerous radio creations (France Culture) and the director of Hörspiel for HR and WDR. He has written symphonic works, chamber music, electronic pieces, mixed works, vocal works, but also conceived and realized interactive installations and important events.

From 2000 to 2009 Henry Fourès was Director of the Conservatoire National Supérieur de Musique et de Danse de Lyon. Today, in addition to his activities as a composer and performer, he directs seminars at the invitation of European universities. Ehrenmitglied of the Hochschule für musik und Theater in Hamburg, Henry Fourès is an Officer of Arts and Letters, Knight of Merit and holder of the German Merit Cross (Verdienst kreuz).