Ulrich is a Postdoctoral Lecturer and Researcher (head of a research Group) at the University of Kassel, Germany. He is also a Research Fellow at the Institute of Information Management (Competence Center Crowdsourcing) at the University of St. Gallen, Switzerland. His research interests focus on digital platform ecosystems, digital transformation of organizations and crowdsourcing. His publications on these topics have appeared in the Journal of Management Information Systems, Information Systems Journal, Journal of Strategic Information Systems or the Proceedings of the International Conference on Information Systems.
    University of Kassel
    Chair of Information Systems
    Pfannkuchstr. 1
    34121 Kassel, Germany

    eMail: bretschneider[ad]uni-kassel[dot]de
    Web: www.wi-kassel.de