François J. Bonnet (FR/CH) is a Franco-Swiss composer, writer and theorist based in Paris. He has been the director of the French musical research institution INA GRM since 2018. He has published several books: The Music to Come (Shelter Press), The Order of Sounds, The Infra-World and After Death (Urbanomic). He also produces radio shows for France Musique National Radio and he is the co-editor of the SPECTRES publication (Shelter Press). His music, often released under the Kassel Jaeger project name, has been presented worldwide.