Christos Bagavos (B.Sc. in Mathematics, Aristotle University of Thessaloniki, D.E.S.S in Demography, University Paris I Panthéon-Sorbonne, D.E.A. and Ph.D. in Population Economics, Institut d'Études Politiques de Paris) is Associate Professor at the Department of Social Policy. He was consultant in demography at the European Commission (1995-1998) and national expert at the European Observatory on the Social Situation, Demography and Family (2000-2004). His publications and research interests concern the socio-economic determinants of population changes, as well as the implications of demographic shift on labour market, education and social security.