I am a methodologist working on data science applications in social research, digital exclusion, and ethical questions in this area, as well as response behavior, measurement and nonresponse errors.
I am the Director of the German Internet Panel (GIP), a bi-monthly longitudinal online survey of more than 5,000 individuals based on a probability sample of the general population. The GIP is funded by the German Science Foundation (DFG).
I am also involved in several research projects at the Collaborative Research Center “Political Economy of Reforms” (SFB 884) and the Mannheim Center for European Social Research (MZES) and conduct research at the Mannheim Center for Data Science.
|07/2017||Research Professor for Data Science, School of Social Sciences, University of Mannheim|
|08/2012||Assistant Professor for Methods of Empirical Social Research, School of Social Sciences, University of Mannheim|
|03/2011||Owner of Survex - Surveys, Statistics, Data Science|
|01/2010||Head of Unit Survey Methods, Survey of Health, Ageing and Retirement in Europe (SHARE), Mannheim Research Institute for the Economics of Aging (MEA), University of Mannheim|
|05/2005||Researcher, European Social Survey (ESS), GESIS - Leibniz Institute for Social Sciences, Mannheim|
|09/2003||Researcher, Education Group, National Centre for Social Research (NatCen), London|
|07/2018||Postgraduate Certificate in Big Data & Business Analytics, University of Leuven, Belgium|
|11/2009||Ph.D. in Applied Social and Economic Research, University of Essex, England|
|07/2003||M.Phil. in European Politics and Society, University of Oxford, England|
|07/2001||Certificate in Music (Trombone), University of the Arts Utrecht, Netherlands|
|07/2001||B.A. in Social Sciences, University College Utrecht, Netherlands|