Osvaldo Silva is an Assistant Professor at the Department of Mathematics and Statistics, Faculty of Science and Technology, University of the Azores, and a researcher of the Interdisciplinary Centre of Social Sciences (CICSNOVA.UAc, FCT Center). He has a doctorate (PhD) in Probability and Statistics by the University of the Azores, and a graduation in Statistics and Information Management by the ISEGI of the New University of Lisbon. His current research interests are in the area of Probability and Statistics, with an emphasis on Multivariate Data Analysis, Sampling, Quality Control, and Applied Statistical Methodologies (special interest in the Social Sciences, Tourism and Educational Sciences). Has published papers in international magazines, with scientific arbitration, as well as summary and complete works in books of proceedings of international events. He is a scientific reviewer of international newspapers.