Hamad Bin Khalifa University (CSE-ICT) and Western Michigan University

Professor for Production Management, University of St.Gallen

University of Bristol, United Kingdom

Professor for Service and Technology Marketing

FIR eV an der RWTH Aachen

Full professor in Information systems, Université du Québec à Trois-Rivières, Canada

Professor of Software Engineering and Information Systems, HTW Dresden

Sofia University, Faculty of Mathematics and Informatics

Paderborn University, Fraunhofer IEM

Fraunhofer IAO