Hans-Jörg Renner has completed three years of post-secondary professional studies in business administration with concentration in travel marketing at a professional school for business administration apprenticeship programs (Städtische Kaufmännische Berufsschule Düsseldorf in Düsseldorf, Germany), and after completing all requirements has been awarded the Leaving Certificate

Travel Specialist (Reiseverkehrskaufmann)

from the above school in 1982, and the Examination Certificate Reiseverkehrskaufmann from the Chamber of Industry and Commerce in Düsseldorf, Germany