Hans Kiesl is Professor of Mathematics and Statistics at Regensburg University of Applied Sciences. He was born in Nuremberg (1969), studied Mathematics, Physics, and Operations Research at the University of Erlangen-Nuremberg (Dipl.-Mathematiker, 1997) and worked as a research assistant at the Department of Statistics, Bamberg University (Dr. rer. pol., 2002). He was researcher at the German Federal Statistical Office (Statistisches Bundesamt), Department of Mathematical and Statistical Methods, where he was responsible for weighting and non-response adjustments of the CATI rotating panel labor force survey (2004-2005). From 2005 to 2010 he was a member of the Department of Statistical Methods (Kompetenzzentrum Empirische Methoden) at the Institute for Employment Research (IAB), first as a senior researcher, later as the temporary head of the department. Hans Kiesl is active in several research areas, among them sampling theory, missing data methods, variance estimation and statistical matching. He is also part-time instructor at Bamberg University and member of the NEPS group "Methods, weighting and imputation".