Sven Stadtmüller is a senior researcher at GESIS Leibniz Institute for the Social Sciences and at the Frankfurt University of Applied Sciences (FRA-UAS). At GESIS, he is working for the probability-based mixed-mode GESIS Panel. At the FRA-UAS, he is principal investigator of a large-scale panel study on child health and well-being. Sven studied Political Science, Sociology and Economics and received his doctorate in Political Sciences from the University of Mainz. His research interests include survey methodology (especially self-administered mixed-mode surveys), political attitudes and social and health inequalities in youth.

Henning Silber studied Sociology and German Philology at The University of Göttingen and Abo Akademi University. In 2015, he received his doctorate in social sciences from The University of Göttingen. His PhD studies were funded by the German Academic Scholarship Foundation and the FAZIT Foundation. Henning was a Visiting Scholar at Stanford University, The University of Texas at Austin, Utrecht University, and The University of Chicago. From 2019 to 2020, he was a Fulbright Research Fellow at The University of Illinois at Chicago. He is Scientific Team Leader of the Survey Operations Team at the Department of Survey Design and Methodology at GESIS Leibniz Institute for the Social Sciences. Since 2018, he has been an elected Council Member of The World Association of Public Opinion Research (WAPOR) and currently serves as the Publications Chair. His research interests include survey methodology, political sociology, and the experimental social sciences.

Yannick Diehl is a PhD candidate at the University of Marburg at the Chair for Political Science Methods and Empirical Democracy Research in the Institute for Political Science. The focus of his work is currently the application of reasoned action approaches and the transfer of social science theories into statistically testable models, including the application of comparative perspectives using structural equation models. A special focus of his work is the investigation of suitable model translations and subsequent exploration of existing limitations and further development possibilities of advanced statistical methods.

Peter Schmidt studied Sociology, Statistics and Philosophy of Science at the Universities in Cologne and Mannheim and received his doctorate at the University of Mannheim. He has been project director and program director at ZUMA Mannheim (predecessor of GESIS) and Professor of social science methodology at the department of political science at the University of Giessen. Presently he is a member of the centre for international development and environment (ZEU) at the University of Giessen and Principal Investigator and Research Supervisor at the department of Psychosomatics at the University of Mainz. He has been principal investigator in 12 DFG projects and was part of teams for the migration module of the ESS, the refugee module and the privacy module of the GESIS panel study. His research interests include survey methodology especially measurement invariance, structural equation modelling and theories of reasoned action.