He is one of the highest authorities on the international classical music scene. She studied singing with Helena Lazarska at the Vienna University of Music, debuted as Pamina in 2001 at the Vienna Volksoper and had an early success as a soprano. She is a well-known soloist in the most important centers of the world of music: Vienna, Paris, London, Munich, Berlin, Tokyo, Salzburg and Moscow. He regularly works with world-class orchestras and conductors such as Zubin Mehta, Kirill Petrenko, Christian Thielemann, Philippe Jordan, Herbert Blomstedt, Mariss Jansons, Kent Nagano and Marek Janowski. He enjoyed a particularly close collaboration with Nikolaus Harnoncourt. From 2015 onwards, Kulman, together with his accompanist Eduard Kutrowatz, focuses his artistic activity on recitals, concerts and operas.