• Since 1980: seminars for chefs and restaurateurs
  • Author and co-author of 14 books
  • Co-development of a cashier and merchandise management system for hospitality trade
  • Since 1998: Live cooking show "ARD Buffet" once a week until 2014; twice a month since 2015
  • Since 1990: Hospitality consulting for several companies and private hotels
  • Development of an own audit system for quality management
  • Since 200: Ecole Culinaire - advanced training school for chefs and operations manager
  • Since 2003: Member of the supervisory board Sodexo Services GmbH
  • Consulting at Service-Bund GmbH & Co. KG