Professor of Management Information Systems, University of Delaware

University of Alabama in Huntsville

Honorary Professor, Computing and Information Systems, The University of Melbourne

Professor of Information Systems, Baruch College, The City University of New York

Prof. of Information Systems, Luleå University of Technology, Sweden

Faculty of Mechanical Engineering, TU Dortmund University

Professor, Swinburne Business School

Assoc. Prof. CIS, GSU, USA & Prof. industrial Econ. Mid Sweden Univ., Sweden

Nanyang Business School, Nanyang Technological University

Professor für Wirtschaftsinformatik, Universität Duisburg-Essen