ダルムシュタット夏季現代音楽講習会
Brian John Peter Ferneyhough (; born 16 January 1943) is a British composer, who has resided in California since 1987. Ferneyhough is typically considered to be the central figure of the New Complexity movement. Ferneyhough has taught composition at the Hochschule für Musik Freiburg and the University of California, San Diego; he currently teaches at Stanford University and is a regular lecturer in the summer courses at Darmstädter Ferienkurse.