Diners Club International
After studying economics at the Universities of Regensburg and Cologne, he began his career in 1983 as a marketing manager at Diners Club International, in Germany. He was director of marketing and sales at a former subsidiary of the 1989 Swiss reinsurance and the "Dr. Harald Quandt Holding ". He subsequently worked as a managing partner of a Direct Marketing company in Munich and consultant for a French consulting company in Lyon. In 1996 he started his own business as an independent curator in Düsseldorf.