02-03 2003 and 09-10 1999 Guest University Lecturer at the Joint College of the  University of Shanghai for Science and Technology (USST) 1998 - today Professor for Distributed Systems and Artificial Intelligence at the Department Informatik, Fakultät Technik und Informatik, Hochschule für Angewandte Wissenschaften Hamburg  (University of Applied Sciences Hamburg) 2007 - 2010 Project Adviser at the encoway GmbH. 1995 - 1996 Guest Research Scientist at the German Software Development Laboratory (GSDL) of IBM. 1994 - 1998 Research Assistent at the University of Bremen,  Technology-Center of Computer Science (TZI), Artificial Intelligence Group (AG KI) IRIS Project (03.1994 - 04.1996) MOKASSIN Project (05.1996 - 02.1998) 1990 - 1994 Research Scientist at the German Center for Artificial Intelligence Inc. (DFKI GmbH) ARC-TEC Project IMCOD Project 1994 Dissertation (Ph.D. Thesis) in Computer Science at the University of Kaiserslautern: A Graph Grammar for Representing and Recognizing Features in CAD/CAM 1990 Diplomarbeit (Master Thesis) in Computer Science and Mathematics at the University of Kaiserslautern (AG KI - XPS): Definition of a Discourse Representation Language for Question-Answering Dialogs