 In 1977 he was a jury member at the Munich Competition, along with Hans-Peter Schmitz (Germany), Eduard Brunner (Switzerland), Hans Deinzer (Federal Republic of Germany), Guy Deplus (France), Dieter Klōcker (Federal Republic of Germany), Victor Petrov (U.S.S.R.) and Heinrich Sutermeister (Switzerland).Bruno Brun was a professor of clarinet at the Belgrade Music Academy from 1945 to 1975 and a Rector of the University of Arts in Belgrade (1965–1971).His most famous students include Milenko Stefanović, Ernest Ačkun, Ante Grgin and Nikola Srdić (all of them were or are principal clarinetists and university professors).