Dr. Katrin Auspurg is a researcher at the department of History and Sociology at the University of Konstanz, Germany. She studied in Munich and completed her PhD at the University of Konstanz. Her main research interests are survey research, labour market research, social inequality and analytical sociology. Katrin Auspurg is an instructor in Course 7 - Vignette Analysis.

Dr. Dorothée Behr is a researcher at GESIS – Leibniz-Institute for the Social Sciences, previously responsible in the European Social Survey (ESS) and the Programme for the International Assessment of Adult Competencies (PIAAC) for the guidance of questionnaire translation activities. Her current research interests include questionnaire translation, cross-cultural probing on the web, and differences in item interpretation across countries. Dorothée Behr is an instructor in Course 10.1 - Translation of Questionnaires.

Prof. Dr. Jelke Bethlehem is Senior Survey Methodologist in the Methodology Department of Statistics Netherlands. He is also part-time professor in Survey Methodology at the University of Amsterdam. He studied mathematics and statistics, also at the University of Amsterdam. From 1974 to 1978 he worked at the Mathematical Centre in Amsterdam, a research centre for mathematics and computer science. Since 1978 he is involved in research and development at Statistics Netherlands. He obtained his PhD on the treatment of nonresponse in surveys in 1986. Other research topics are adjustment weighting, disclosure control and web surveys. He published two books: “Applied Survey Methods” and “Handbook of Nonresponse in Household Surveys”. Jelke Bethlehem is an instructor in Course 8.1 - Unit Nonresponse.

Prof. Dr. Jaak Billiet was full professor in social methodology at the Katholieke Universiteit Leuven, Belgium, and is now professor emeritus with research tasks. His research interests include validity assessment and modelling measurement error in social surveys as well as longitudinal and comparative research in ethnocentrism, political attitudes and religious orientations. Jaak Billiet is an instructor in Course 3.1 - Measurement Models.

Prof. Mick P. Couper, PhD, is a research professor at the Survey Research Center, University of Michigan and the Joint Program in Survey Methodology. He has published extensively on Web survey design and implementation issues, including <em>Designing Effective Web Surveys</em> published by Cambridge University Press (2008). His current research interests focus on aspects of technology use in surveys, whether by interviewers or respondents. Mick Couper is an instructor in Course 5 - Web Surveys.

Georg Datler is a PhD candidate in sociology at the University of Zurich. His research interests include the political sociology of Europeanization, the methodology of comparative research, and the application of structural equation modelling. Georg Datler is an instructor in Course 3.1 - Measurement Models.

Brita Dorer is a researcher at GESIS – Leibniz-Institute for the Social Sciences and heading the translation team of the European Social Survey (ESS). She has been translating questionnaires for different cross-cultural surveys such as ISSP, PIAAC, SHARE, and ESS. Her current research interests include quality enhancement of questionnaire translation, intercultural effects of translation in cross-cultural surveys, and improvement of the translatability of source questionnaires. Brita Dorer is an instructor in Course 10.1 - Translation of Questionnaires.

Prof. Dr. Stefanie Eifler holds a chair in sociology and quantitative methods in social research at the Institute of Sociology, Martin-Luther-University of Halle-Wittenberg, Germany and is director of the Centre for Social Science Methodology at the Faculty for Philosophy. Her main research interests are the sociology of crime and deviance, and measurement and scaling techniques in the social sciences. Stefanie Eifler is an instructor in Course 7 - Vignette Analysis.

Remco Feskens, PhD, is researcher at the Department of Methodology and Statistics of the Utrecht University. He is also associated to Cito, the National Institute for Educational Measurement in the Netherlands. His main research interest is survey design and data collection issues. Remco Feskens is the instructor of Course 3.2 - Data Collection and Interviewer Training.

Prof. Dr. Marek Fuchs is full professor for social science research methods at Darmstadt University of Technology, Germany. He obtained his PhD from Kassel University in 1993 and conducted post-doctoral work at the University of Michigan, Ann Arbor (USA). Since then, he has been the principal investigator of several large scales surveys. His methodological research is particularly concerned with methodological aspects of survey measurement. Over the course of the past 20 years, he has published on laboratory and field-experimental studies concerning questionnaire design for face-to-face surveys, telephone surveys and self-administered surveys (paper & pencil as well as web surveys). He has a long standing experience in teaching courses on survey methodology at the PhD and Master levels to an international audience. Marekt Fuchs is the instructor of Course 1 - Questionnaire Design.

Dr. Matthias Ganninger is researcher at the GESIS – Leibniz-Institute for the Social Sciences in Mannheim, Germany. For his doctorate from the University of Trier, he has worked on design effects and published many articles in international scientific journals. He co-authored a textbook on data analysis in the social sciences. He has also taught specialized courses on survey methodology in Germany and elsewhere in Europe. Matthias Ganninger is an instructor in Course 2 - Complex Survey Sampling.

Dr. Hans-Jürgen Hippler studied Sociology, Social Psychology and Political Science at the University of Mannheim and received his PhD in Sociology and Political Science with a publication on judgmental processes in surveys. From 1977 to 1992, he was employed as Project Director at Zentrum für Umfragen, Methoden und Analysen, ZUMA (the former GESIS-branch on survey methodology) in Mannheim. From 1993 to 2006, he worked for the ZMG (German Newspaper Marketing Organization) as Research Director in Frankfurt. From 2006 to 2010 he was employed as Chief Executive Officer for the MARPLAN Group (a German Survey Research Company) in Offenbach and concurrently was Professor for Survey Methods at Calw University of Applied Sciences. Since January 2011 he has worked as Professional Advisor for Survey Research and Marketing in Mannheim. Hans-Jürgen Hippler is the instructor of Course 4 - Mail Surveys.

Prof. Dr. Jürgen H. P. Hoffmeyer-Zlotnik is head of the Knowledge Transfer Unit at GESIS – Leibniz-Institute for the Social Sciences and Professor at the Institute for the Political Sciences at Justus-Liebig University of Giessen. His current research interests include standardisation and harmonisation of socio-demographic variables for national and cross-national comparative research. Jürgen H.P. Hoffmeyer-Zlotnik is an instructor in Course 10.2 - Harmonisation of Socio-demographic Variables.

Prof. Dr. Dominique Joye is Professor for Sociology at the University of Lausanne, Switzerland. He is involved in the ISSP, ESS and SHARE. His research interests include methodology, inequality and social mobility. Dominique Joye is an instructor in Course 9 - Cross-National Comparative Surveys.

Prof. Dr. Udo Kelle is Professor of Research Methods and Statistics at Helmut-Schmidt University Hamburg. His research interests cover the fields of qualitative and quantitative methods in social research and their methodological and epistemological underpinnings. He has written and edited several books (e.g. “Die Integration qualitativer und quantitativer Methoden in der empirischen Sozialforschung”, 2nd edition 2008, VS Verlag, or “Vom Einzelfall zum Typus”, with S. Kluge, 2nd edition 2010, VS Verlag) and numerous articles about social research methods, especially about the relationship between qualitative and quantitative methods. Udo Kelle is an instructor in Course 6 - Mixed Methods.

Prof. Katja Lozar Manfreda, PhD, is an assistant Professor of Statistics at the Faculty of Social Sciences, University of Ljubljana. She has been researching the methodology of Internet surveys since 1998 and has several publications on this topic. She is also part of the team establishing and maintaining websm.org, the main web site dedicated to the methodology of web surveys. Katja Lozar Manfreda is an instructor in Course 5 - Web Surveys.

Peter Lugtig, PhD, works as an assistant professor in the Department of Methods and Statistics at Utrecht University, the Netherlands. His research focuses on improving and evaluating data quality in surveys, particularly longitudinal surveys. He has published articles on the measurement of change, mixed-mode surveys, attrition, and data collection techniques, and completed his PhD in survey methodology in 2011. Peter Lugtig is the instructor of Refresher Course A - Survey Design.

Dr. Florian Meinfelder has written his PhD thesis on topics related to Multiple Imputation, supervised by Prof. Susanne Rässler and Prof. Trivellore E. Raghunathan. He worked as a Research Manager for GfK SE for several years, and is author of the MI R package ‘BaBooN’. Florian Meinfelder is the instructor of Refresher Course C - Bayesian Inference using R and an instructor in Course 8.2 - Item Nonresponse and Multiple Imputation.

Prof. Dr. Ralf Münnich is full professor at the Economic and Social Statistics Department of the University of Trier. His main activities focus on small area statistics and their application, on variance estimation methods with recent applications to census methods and poverty measurement, as well as on survey statistical simulations. Prof. Münnich was responsible for several large projects like DACSEIS, KEI, and AMELI (EU projects) as well as for the German Census sampling project. He has published many articles in national and international scientific journals. He has taught specialized courses on survey statistics and variance estimation methods in PhD programmes. Ralf Münnich is an instructor in Course 2 - Complex Survey Sampling.

Dr. Özen Odag is a lecturer of empirical methods at Jacobs University Bremen and coordinator of the Methods Center' of BIGSSS (Bremen Graduate School of Social Sciences). Her research interests include qualitative methods and methodology, mixed methods, media psychology, cross-cultural psychology, and the empirical study of literature. Her dissertation was based on a complex mixed-methods design and published in 2007.

Prof. Dr. Susanne Rässler holds the Chair of Statistics and Econometrics at the Otto-Friedrich-University of Bamberg, Germany, and is speaker of the methods group of the National Educational Panel Study. Her research interest involves methods for handling missing data in complex surveys, multiple imputation, Bayesian and computational statistics as well as matching techniques for causal analysis and marketing research. Susanne Rässler is an instructor in Course 8.2 - Item Nonresponse and Multiple Imputation.

Prof. Dr. Jost Reinecke is professor of quantitative methods of empirical social research at the Faculty of Sociology at the University of Bielefeld. His research focuses on the methodology and application of structural equation models and latent class analysis, both, cross-sectionally and longitudinally. His current methodological research focuses on growth curve and growth mixture models and the development of techniques related to multiple imputation of missing data in complex survey designs. His current substantive research focuses on the longitudinal development of adolescents' delinquent behaviour and relationships of group-focused enmity to individual and contextual variables. Jost Reinecke is the instructor of Refresher Course B - Structural Equation Models with Mplus.

Carsten Sauer is doing his PhD at the Collaborative Research Centre (SFB 882): “From Heterogeneities to Social Inequalities”, Project: “Structural Conditions of Justice Attitudes over the Lifespan” at the University of Bielefeld, Germany. His main research interests are labour market research, social inequality and justice, as well as quantitative research methods. Carsten Sauer is an instructor in Course 7 - Vignette Analysis.

Prof. Dr. Margrit Schreier is Professor of Empirical Research Methods at Jacobs University Bremen. Her research interests include qualitative methods and methodology, mixed methods, media psychology, and the empirical study of literature. She is co-editor of the issue “Qualitative and quantitative research: Conjunctions and divergences” of Forum: Qualitative Social Research (2001; with Nigel Fielding) and co-author of “Forschungsmethoden in Psychologie und Sozialwissenschaften” (2009; Springer; with Walter Hussy and Gerald Echterhoff). Margrit Schreier is an instructor in Course 6 - Mixed Methods.

Tom W. Smith, PhD, is Senior Fellow at NORC and President of the World Association for Public Opinion Research. He is director of the U.S. General Social Survey and founding member of the ISSP. His research interests include survey methodology and public opinion research. Tom W. Smith is an instructor in Course 9 - Cross-National Comparative Surveys.

Dr. Ineke Stoop is head of the Department of Data Services and IT, The Netherlands Institute for Social Research/SCP. She studied psychology at Leiden University and obtained her PhD at Utrecht University for a thesis on survey nonresponse. She is a member of the European Statistical Advisory Committee (ESAC) and of the Central Coordinating Team of the European Social Survey, Scientific Secretary of the International Association of Survey Statisticians, and a Laureate of the 2005 Descartes Prize for Excellence in Scientific Collaborative Research. Her main research interests are comparative social surveys and nonresponse. She has taught courses on comparative surveys and nonresponse as part of the ECPR summer school, as ESS training courses, and at Dutch universities, and recently co-authored a book on nonresponse in the European Social Survey. Ineke Stoop is an instructor in Course 8.1 - Unit Nonresponse.

Lisa Wallander, PhD, is a senior lecturer in Health and Society, Faculty of Health and Society, at Malmö University, Sweden. Her main research interests are the factorial survey approach, sociology of professions, judgement and decision making in social work, substance misuse and treatment, and quantitative research methods. Lisa Wallander is an instructor in Course 7 - Vignette Analysis.

Dr. Uwe Warner is scientific consultant at CEPS/INSTEAD (Centre d'Etudes de Populations, de Pauvreté et de Politiques Socio-Economiques / International Network for Studies in Technology, Environment, Alternatives, Development) in Esch/Alzette, Luxembourg. His current research interests include harmonisation of socio-demographic variables for cross-national comparative research. Uwe Warner is an instructor in Course 10.2 - Harmonisation of Socio-demographic Variables.

Prof. Dr. Christof Wolf is Scientific Director at GESIS and Professor for Sociology at the University of Mannheim. His current research interests include social network analysis and survey methodology with an emphasis on problems of cross-national comparability and harmonization. Christof Wolf is an instructor in Course 9 - Cross-National Comparative Surveys.