Geert Verbeke, Professor in Biostatistics, PhD, Biostatistical Centre at Catholic University of Leuven, Belgium

Geert Verbeke is Assistant Professor at the Biostatistical Centre of the Katholieke Universiteit Leuven in Belgium. He received the B.S. degree in mathematics (1989) from the Katholieke Universiteit Leuven, the M.S. in biostatistics (1992) from the Limburgs Universitair Centrum, and earned a Ph.D. in biostatistics (1995) from the Katholieke Universiteit Leuven. Dr. Verbeke wrote his dissertation, as well as a number of methodological articles, on various aspects of linear mixed models for longitudinal data analyses. He has held visiting positions at the Gerontology Research Center and the Johns Hopkins University (Baltimore, MD).

Geert Molenberghs, Professor in Biostatistics, PhD, Center for Statistics at Limburgs Universitair Centrum, Belgium

Geert Molenberghs is Associate Professor of Biostatistics at the Limburgs Universitair Centrum in Belgium. He received the B.S. degree in mathematics (1988) and a Ph.D. in biostatistics (1993) from the Universiteit Antwerpen. Dr. Molenberghs published methodological work on the analysis of non-response in clinical and epidemiological studies. He serves as an associate editor for Biometrics, Applied Statistics, and Biostatistics and is an officer of the Belgian Statistical Society. He has held visiting positions at the Harvard School of Public Health (Boston, MA).

Carl-Erik Särndal, Professor of Statistics (retired), PhD, Université de Montréal, Canada

Carl-Erik Särndal was born in Sweden in 1937. Educated in Sweden and in the United States, he received his Ph.D. in Statistics from the University of Lund in 1962.

He spent most of his academic career in Canada, where he was professor at The University of British Columbia in Vancouver 1970-80, then professeur titulaire at Université de Montréal 1980-97.

From the early 1980's he increasingly directed his attention to the methodology of official statistics production and became associated with a number of National Statistical Institutes; in addition to Statistics Canada and Statistics Sweden, also to the statistical offices of Finland (Statistics Finland), France (I.N.S.E.E.) and the European Union (Eurostat). He continues work with most of these agencies in various capacities: expert, consultant, fellow researcher. Recently he served as a member of expert groups for the European Union's 6th framework research program in official statistics, and for the project Rénovation du recensement de la population française.

Among his publications one notes the books Model Assisted Survey Sampling (with B. Swensson and J. Wretman), New York: Springer-Verlag, 1992, and Foundations of Inference in Survey Sampling (with C.M. Cassel and J. Wretman), New York: Wiley, 1977.

He is the author of numerous scientific articles, in sole authorship or as a result of collaboration with researchers from Canada, Sweden, the United States, France, Finland, Australia. He has lectured in many countries.

His recent distinctions include: Honorary Member, The Statistical Society of Finland; Honorary doctorate, University of Örebro, Sweden; Honorary Member, The Statistical Society of Canada.

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