In 2003 he qualified as a professor with tenure track in musical acoustics and was Deputy Director of the Institute of Musical Acoustics at the coach and joined the "musicians health group" at the Music University as scientist in the field of music physiology.
In 2003 he qualified as a professor with tenure track in musical acoustics and was Deputy Director of the Institute of Musical Acoustics at the University of Music and Performing Arts in Vienna. In 2008, Bertsch trained as a biofeedback coach and joined the "musicians health group" at the Music University as scientist in the field of music physiology.