Stefan Guertler (MBA) has been successfully working over the past 20 years in the field of marketing consultancy. In the last 10 years, he has been developing and supervising a programme related to customer related monitoring.

After graduating from the European Business School in 1989, Mr. Guertler has been working as a consultant for marketing and sales information systems. Between 1996 and 1997 he developed and supervised the sales of financially related products for a leasing company in Berlin. From 1998 to 2000 he was responsible for the German Marketing department of the international consulting firm Gallup in Germany and was also the main project consultant.