Franz Rosenbaum graduated from Economics at the University of Bonn. In 1952 he joined the German Diplomatic Service. His postings included: Singapore (Attaché) 1953 to 1956, Cyprus (Commercial Secretary) 1958 to 1963 and Toronto (Trade Commissioner) 1964 to 1975.
After a short posting to Chicago in 1976 he relinquished his diplomatic career and returned to Toronto to study Photojournalism, specializing in yachting, windsurfing and surfing photography. Travelling world wide he covered the major international events in this field.