Primary and secondary school teachers (music, English, computer science)
System administrator at the ''Landesbildungsserver (State Educational Server) Baden-Württemberg'', Germany
Staff member of the RP Tübingen, Dept. School and Education (further education, programming)
Active singer at the ''Collegium vocale Reutlingen''
Long-time singer, assistant conductor and conductor of the male choir ''Liederkranz Belsen''
Director of the male choir ensemble "Ad Libitum" (Octet)
