Prof. Dr. Kostas Rontos obtained his Ph.D. in Demographic Statistics and Regional Demography from the Panteion University of Social and Political Sciences (Athens, Greece). He did postdoctoral studies in the Evaluation of the Impact of Community Infrastructure Projects on the Regions and Cities of the European Mediterranean Countries at the London School of Economics and Political Science. He is a Professor (retired) at the Department of Sociology, University of the Aegean, Mytilene, Greece. He used to be the Director of the National Statistical Service of Greece. He is a member of the Population Europe Foundation. Based on this frame, his research interests emphasize mainly statistics, tourism, enterprises and employment, social and economic research, demography, social capital, information systems, and lifelong learning on social research.