Academic positions

• since 2020 Spokesperson of the DFG Research Unit FOR 2974 “Affective and cognitive mechanisms of specific Internet-use disorders (ACSID)”
• since 2015 Director of Center for Behavioral Addiction Research (CeBAR), University of Duisburg-Essen, Germany
• since 2009 Full Professor of General Psychology: Cognition, University of Duisburg-Essen, Germany
• since 2009 Director of the Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany
• 2007 – 2009 Associate Professor (Akademischer Oberrat) University of Bielefeld, Germany
• 2005 – 2009 Member of the Network of Young Scientists of the Center for Interdisciplinary Research, Bielefeld, Germany
• 2001 – 2007 Assistant Professor, University of Bielefeld, Germany
• 2006 – 2007 Deputy for the position of a Full Professor of Physiological Psychology, University of Bielefeld (deputy of Prof. Dr. Hans J. Markowitsch), Germany
• 2004 Visiting scholar at the Department of Neurology, University of Iowa, Iowa City, USA (Prof. Antonio Damasio, Prof. Antoine Bechara, scholarship from the Gustav-Lienert Foundation)
• 1999 – 2000 Research and Teaching Assistant with Prof. Dr. Hans J. Markowitsch at the Institute of Physiological Psychology, University of Bielefeld, Germany

Further activities

• since 2018 Member of Editorial Board of “Addictive Behaviors”
• since 2017 Member for Germany in the Management Committee of the COST (Collaboration in Science and Technology) Action "European Network for Problematic Usage of the Internet"
• since 2017 Board Member of the “International Society for the Study of Behavioral Addictions (ISSBA)”
• since 2017 Associate Editor “Journal of Behavioral Addictions”