Matthias Book   is a doctoral candidate at the Deutsche Telekom Chair of Applied Telematics/e-Business at the University of Leipzig. His research interests are in the specification and control of dialog and data flows in web-based applications, with a special focus on designing for device independence. He is a co-author of over 25 refereed publications in international software and web engineering conferences and journals.

Volker Gruhn   is a full professor and holder of the Deutsche Telekom Chair of Applied Telematics/e-Business at the University of Leipzig. His research interests are in agile model-driven development, especially in methods for the development of mobile, distributed software systems. He is author and co-author of about 120 national and international publications. In the 1990s, Volker Gruhn worked at the Fraunhofer Institute for Software and Systems Engineering (ISST) and was a member of the executive board of a software company of Veba AG. He subsequently became professor for applied computer science at the University of Dortmund, with a research focus on the development of component-based software architectures and e-business applications. He is founder and chairman of the board of software company adesso AG.