Prof. Dr. Dieter Fensel is the scientific director of the Digital Enterprise Research Institute (DERI). His current research interests include Ontologies, Semantic Web, Web Services, Knowledge Management, Enterprise Application Integration, and Electronic Commerce. He has been involved in several national and international research projects, for example, in the IST projects DIP, IBROW, Knowledge Web, On-To-Knowledge, Ontoweb, SWWS, and Wonderweb. He is the project coordinator of dip, Knowledge Web, Ontoknowledge, Ontoweb, and SWWS. He published around 150 papers as books and journals, book, conference, and workshop contributions and won the Carl-Adam-Petri-Award of the Faculty of Economic Sciences from the University of Karlsruhe, Germany (2000).