He studied in Marburg, New York and Hong Kong. From 2009 to 2016 he was an assistant professor of computer science at the Rheinische Friedrich-Wilhelms University of Bonn, where he studied the behavior of 300,000 smartphone users in a large-scale project. Based on the results of this study he wrote the book "Digital Burnout. Why our permanent smartphone usage is dangerous", which is published, 2015. Since 2016 he gives lectures and seminars on the impact of being "Always On".