Jörg Blasius is Professor of Sociology at the Institute for Political Science and Sociology, University of Bonn, Germany. His research interests are mainly focused on explorative data analysis, especially correspondence analysis and related methods, data collection methods, sociology of lifestyles, and urban sociology. Together with Simona Balbi (Naples), Anne Ryen (Kristiansand) and Cor van Dijkum (Utrecht), he is editor of the Sage Series “Survey Research Methods in the Social Sciences”. Together with Michael Greenacre (University Pompeu Fabra, Barcelona) he founded Carme (Correspondence Analysis and Related Methods Network, see www.carme-n.org). From 1998 to 2016, he belonged to the Board of RC33 (Research Committee on Logic and Methodology in Sociology) of the ISA (International Sociological Association), from 2006 to 2010 he acted as President.
Brigitte Le Roux is Maître de Conférences at the Laboratoire de Mathématiques Appliquées (MAP5), CRNS (the French National Center for Scientific Research) Université Paris Descartes and associate researcher at the political research center of SciencesPo Paris (CEVIPOF/CNRS). She serves on the editorial board of the journal Actes de la Recherche en Sciences Sociales. She completed her doctoral dissertation with Jean-Paul Benzécri in 1970 at the Faculté des Sciences de Paris. She has contributed to numerous theoretical research works and full-scale empirical studies involving geometric data analysis.
Frederic Lebaron is professor at the chair of sociology at the Ecole normale supérieure Paris-Saclay and professor at the Sciences Po-Saint-Germain-en-Laye. He was Director of the Centre Universitaire de Recherches Administratives et Politiques de Picardie (CURAPP) from 2005-2013., and president of the Association Française de Sociologie between 2015 and 2017. His main research areas are political sociology, economic sociology, and quantitative methods of social sciences.He is currently working on the social determinants and the consequences of economic policies, like monetary, fiscal, and structural policies, especially within the context of the crisis in the Eurozone.
Andreas Schmitz is a post-doc researcher at the University of Bonn. His research focuses on the elaboration of generalized field theory, principles of relational methodology and methods, and geometric data analysis. He is currently working on the theoretical conceptualization and empirical construction of the global field of power/meta field and on a political sociology of fear.