Vasja Vehovar, PhD is a professor of statistics at the Faculty of Social Sciences, University of Ljubljana, Slovenia and head of Centre for Social Informatics. His main research interest is web survey methodology. Within this context, he led first experiments with web surveys already in 1996, co-established the WebSM site in 1998, published series of papers and chapters, launched open-source software for web surveys (1KA) and in 2015 co-authored the publication Web Survey Methodology (Sage).