Born in Duisburg (Germany), he studied organ, orchestral conducting and religious music at the University of Music and Performing Arts of Vienna, Austria.
Invitations extended to him to perform at concerts have taken him to organ festivals throughout Europe, Iceland, the United States, South Africa, Russia, Australia, Argentina and Uruguay.
As an organ soloist, he has performed with the Orchestra da Camera di Firenze and the Moscow Chamber Orchestra at the Tchaikovsky Concert Hall of the Moscow Philharmonic, among other engagements. He has taught several master classes at Emory University in Atlanta and the Gnessin Music Academy in Moscow, where he recently sat on the jury in the ‘First Leonid Rojsman Organ Competition’.
His musical career has been documented in several CD productions with the Orchestra of the Age of Enlightenment, the Concilium Musicum Vienna and the Bochum Symphonic Orchestra, among others.
After many years of musical activity in Vienna, where he was in charge of numerous concerts for the Austrian Broadcasting Corporation, he joined the Vienna Symphonic Orchestra as an organist. Mr Hartmann also worked for many years as the musical director of a church in Bochum, Germany, and he is currently the artistic director of the Bochum Organ Festival.