Rui Filipe Vargas Sousa Santos is Professor of Statistics at the School of Technology and Management of the Polytechnic Institute of Leiria, and a member of CEAUL—Center of Statistics and Applications from the University of Lisbon, Portugal. His main areas of research are Statistical Inference, Data Science, Simulation, Distributions, Epidemiology, Classification, Dental age estimation, Meta-Analysis, and the use of compound tests (hierarchical and array-based group testing methodologies). His research is applied to the fields of Medicine, Forensic Science, Biology, Economics and Business Administration. Areas of interest are also History and Foundations of Probability and Statistics in the first half of the XXth Century, mainly the early development of Probability and Statistics in Portugal, and Teaching of Probability and Statistics in elementary, middle, and high schools, primarily advising math teachers.