 He was Deputy Minister of Education, Lifelong Learning and Religious Affairs (October 6, 2009 – June 17, 2011).He has also been appointed by the Prime Minister to be in charge of the Open Government project.Before joining the Athens University of Economics and Business, he taught at the universities of Patras and Crete in Greece, University of Iowa and University of Missouri in the United States, and at Trinity College, Dublin in Ireland.