Dr. Lenka Ďuranová is research associate of business psychology at the University of Kassel, Germany. She received a PhD in Literary and Cultural Studies from the Gießen University, Germany in 2009. Her dissertation focused on motivation behind suicide. Lenka’s research interests include employee well-being, occupational stress, and work attitudes. Her current research examines the role of work-related use of new technology after hours for daily fluctuations in well-being. Dr. Sandra Ohly is professor in business psychology at the University of Kassel, Germany since 2010. She received her PhD from the Technical University of Braunschweig, Germany in 2005, and her habilitation from the Goethe University Frankfurt, Germany in 2010. Her research focuses on well-being, creativity, and proactive behavior. She is also interested in affective and motivational processes, oftentimes using diary methods. In a recent research project she examines how smartphone use after hours relates towell-being and work-home interference. Her research has been published in Journal of Organizational Behavior, Journal of Applied Psychology, Journal of Occupational and Organizational Psychology, and Journal of Business and Psychology. She is associate editor of Journal of Personnel Psychology, and member of the editorial board of Journal of Organizational Behavior, Journal of Occupational and Organizational Psychology, and Journal of Business and Psychology.