Studied Chemistry in Cologne and Hamburg.
Dieter Pfenning has over 12 years experience in systems consulting for the publishing industry, including a period working with Axel Springer Publishers. Pfenning has been working intensively on issues from the IT sector for almost 20 years. He has worked in the field of web basic technologies and questions of content and transaction management for the last eight years.
Pfenning is responsible for product development, product management and service issues at HEXMAC.

Studied Business Economics in Wiesbaden.
Michael K�hnl spent an initial four years working as an accountant at KPMG Deutsche Treuhand AG. He then moved to Millward Brown International where he worked for six years in various management positions including his eventual position as Chief Operation Officer Europe. His scope of responsibility at HEXMAC encompasses finance, classical controlling, personnel management, investor relations and investment affairs.