Since 03/08
Holder of the professorship for catering management and work science, Hochschule Niederrhein
01/03-12/07
Academic staff at the professorship for management of personnel supply companies (Prof. Dr. Dietmar Bräunig), Justus-Liebig-University Gießen
06/01-12/02
Project assistant in the field of economics, Clinical Center of the Philipps-University Marburg
09/03-08/07
Contract lecturer in the Faculty of Food, Nutrition and Hospitality Sciences, Fulda University of Applied Sciences
since 05/01
Consulting activities, esp. in the areas of catering and quality management