 From 1981 Reuter was General music director of the Komische Oper Berlin, where he remained until 1993.His numerous guest performances and master classes have taken him around the world, including Paris, London, Tokyo, Beijing, Houston and Buenos Aires, as well as Israel, Italy, France, Spain, the former Soviet Union, Bulgaria, etc.His conducting, partly in collaboration with Harry Kupfer, for example the Mozart cycle, Wagner's "Die Meistersinger von Nürnberg", "Boris Godunov", and the world premiere of Siegfried Matthus' opera "Judith", significantly shaped the artistic profile of the Komische Oper Berlin.