Born in 1941. Thessaloniki. Dr. Habil, 1980. Ph.D., Aristotle University of Thessaloniki, Department of Physics, 1975. M.Sc., Aristotle University of Thessaloniki, Department of Physics, 1973. Professor Emeritus, since 2008, Aristotle University of Thessaloniki. Professor, 1995-2008, Department of Computer Science, Aristotle University of Thessaloniki. Professor, 1986-1995, Department of Physics. Chairman of the Physics Dept, 1984-1989, Chairman of the Informatics Dept, 1995-1997.Secretary General for Research and Technology, 2004-2008, Hellenic Ministry of Development. Secretary for Informatics and New Technologies, 1998-2004, Nea Dimokratia.MEP since 2009.