Humenberger managed in a number of European countries, including Austria (with SC Ortmann and Austria Salzburg), the Netherlands (with Ajax[5]) and in Belgium (with Royal Antwerp). With Ajax, he won the championship in the first professional season (1956–57).
Personal life
Karl was born in Vienna, the son of Auguste Stroh and Ferdinand Humenberger. He was married to Emilie Janata.[3]