[2] Born in Göttingen, Wehner studied conducting in Halle and at the Hochschule für Musik Carl Maria von Weber Dresden and obtained degrees in musical composition, clarinet and violoncello.
At the same time, he held a teaching position in score playing and conducting at the University of Music and Theatre Leipzig.
Guest conducting engagements took him to radio stations in Poland, Czechoslovakia and Romania, as well as to renowned orchestras such as the Staatskapelle Dresden and the Berliner Symphoniker.
A year later he was on the conductor's podium of the Hofer Symphoniker and the youth wind orchestra of the North Bavarian Music Association.
Guest conductorships have taken him to the Südwestdeutsche Philharmonie Konstanz, the Hohentwiel Festival in 2007, the municipal wind orchestra of Singen and the Balingen Music Days.