Wilhelm Klebel was born in Klosterneuburg in Lower Austria in 1961.
He studied viola with Prof. Siegfried Führlinger at the University of Music and Performing Arts Vienna and attended master classes given by Thomas Riebl and Endre Guran. Under the tutelage of the mezzo-soprano Caitlin Hulcup he also developed his singing voice and has contributed to arranging church services in St. Ruprecht for many years as a singer, conductor and viola player.
Wilhelm Klebel was a member of the Vienna Boys’ Choir and has played with ensembles such as the Vienna Chamber Orchestra, Concilium musicum and the Austro-Hungarian Haydn Philharmonie.
He has been a member of the ORF Vienna Radio Symphony Orchestra since 1989.