Born in Aachen, Jers completed a practical musical education in piano and choir conducting.
He gained his first professional experience at the WDR and the Arno Volk publishing house in Cologne.
In addition, he worked as a freelancer in high schools, at the adult education centre and in the record industry and church choir direction.
From 1989 to 1993 he was head of department and dean at the Catholic University of St. Gregorius Church Music in Aachen.
Jers' musicological treatises provide the reader with a comprehensive insight into the music history of the Rhineland