Positions

Positions held in the past
2015 – Director, Educational Initiatives College of Science, George Mason University http://cos.gmu.edu  
2014 – 2015 Director, Educational Technology College of Science, George Mason University http://cos.gmu.edu  
2013 – Adjunct Faculty and Distance Education Program Coordinator College of Science, George Mason University http://cos.gmu.edu
2004 – 2012 Lecturer Hellenic Open University, Greece http://www.eap.gr
2005 – 2008 R&D Engineer and Project Manager TALENT S.A, Athens, Greece. http://www.talent.gr  
2002 – 2005 Researcher Data and Knowledge Engineering Group (DKE) Computer Technology Institute (CTI), Athens, Greece. http://www.cti.gr
2000 – 2002 Associate Professor (tenured) Department of Computer Science, Aalborg University (AAU), Denmark http://www.cs.aau.dk
1997 – 2000 Assistant Professor (tenure-track) Department of Computer Science, Aalborg University (AAU), Denmark http://www.cs.aau.dk
1995 – 1997 Post-doctoral Researcher National Center for Geographic Information and Analysis (NCGIA) Department of Spatial Information Science and Engineering (SIE) University of Maine, Orono, ME, USA http://www.spatial.maine.edu
1992 – 1995 Research Assistant Computer Technology Institute (CTI), Patras, Greece. http://www.cti.gr