Prof. Dr. Michael Bosnjak is head of the Department for Psychological Research Methods at Trier University (Germany), and Senior Research Fellow at the Center for Social Informatics, University of Ljubljana (Slovenia). His research interests include: Research synthesis methods, theory-driven machine learning, survey methodology, HEXACOD personality model, and consumer/business psychology. Professor Bosnjak is Editor-in-Chief of Zeitschrift für Psychologie, the oldest Psychology journal in Europe (founded in 1890 by Hermann Ebbinghaus and Arthur König). From July 2017 to December 2021, he served as Director of the Leibniz Institute for Psychology (ZPID) in Trier, Germany. In 2022, he was delegated to Robert Koch Institute in Berlin (Germany) as Scientific Director and Department Head (Epidemiology and Health Monitoring).