Presently: Chief Statistician at ZUMA, Mannheim, Germany and lecturer at the University of Mannheim.

Previously: University of Mannheim (-1990), University of Tübingen (2000-2001).

Activities in Scientific Societies: Member of the German Statistical Society; member of the IASS

Current Research Areas: Decision theoretic justification of sampling strategies, telephone sampling, design effects.

Papers published: Springer Verlag, Westdeutscher Verlag, The Annals of Statistics, Biometrika, Statistische Hefte, Biometrical Journal, Communications in Statistics, Metrika, Statistical Papers, Survey Methodology, Statistical Planning and Inference, Manuscripta Mathematica, Allgemeines Statistisches Archiv, Journal of Business & Economic Statistics, Methods of Psychological Research-Online. 

Chief Statistician at ZUMA, Mannheim, Germany and lecturer at the University of Mannheim. University of Mannheim (-1990), University of Tübingen (2000-2001). Member of the German Statistical Society; member of the IASS Decision theoretic justification of sampling strategies, telephone sampling, design effects. Springer Verlag, Westdeutscher Verlag, The Annals of Statistics, Biometrika, Statistische Hefte, Biometrical Journal, Communications in Statistics, Metrika, Statistical Papers, SurveyMethodology, Statistical Planning and Inference, Manuscripta Mathematica, Allgemeines Statistisches Archiv, Journal of Business & Economic Statistics, Methods of Psychological Research-Online.