Antonio D'Ambrosio is a Full Professor in Statistics at the Department of Economics and Statistics of the University of Naples Federico II, Italy. His main research interests are in classification, clustering, non-parametric and computational statistics, regression modeling, and preference learning theory and modeling.

Mark de Rooij is a Full Professor of Artificial Intelligence & Data Theory at the Institute of Psychology of Leiden University, the Netherlands. His research interests are in three main areas: predictive psychometrics, regression models for categorical response variables, and longitudinal data analysis.

Kim De Roover is an Associate Professor in the Research group of Quantitative Psychology and Individual Differences, KU Leuven, Belgium. Her research interests are in factor analysis, structural equation modeling, measurement invariance, multigroup modeling, and mixture modeling.

Carmela Iorio is an Associate Professor in Statistics at the Department of Economics and Statistics, University of Naples Federico II, Italy. Her main research interests are in the development of non-parametric statistical tools for financial time series, clustering, classification, and preference rankings theory and modeling.

Michele La Rocca is a Full Professor of Statistics at the Departments of Economics and Statistics, University of Salerno, Italy. His research interests are in resampling techniques, empirical likelihood, neural networks, deep learning and extreme learning machines, robust and nonparametric inference, nonlinear time series analysis, and variable selection.