Academic Positions / Experience
| 2016 – today | Dean, Faculty of Digital Technology, Harokopio University of Athens | 
| 2011 – 1/2016 | Rector, Harokopio University of Athens | 
| 1/2014 – 6/2014 | Chair, Greek Rectors’ Conference | 
| 2010 – 2012 | Chair, Department of Informatics and Telematics | 
| 2010- today | Professor, Department of Informatics and Telematics, Harokopio University of Athens | 
| 2004 – 2010 | Associate Professor | 
| 2000 – 2004 | Assistant Professor | 
| 2014 – | Visiting Professor, Sussex University, UK | 
| 2013 – 2014 | Greek Rectors’ Conference Representative in the joint committee with the German Rectors Conference (HRK) | 
| 2014 – | Associate Editor of Requirements Engineering, Springer | 
| 2014 – 2015 | National representative of Greece in EU ICT Horizon 2020 | 
Professional Positions
| 2004 – 2009 | Secretary-General for Information Systems, Ministry of Economy and Finance | 
| 2008 – 2009 | Member of the Board of Directors, Athens Water Supply and Sewerage Company (EYDAP SA) | 
Research Interests and Recent Activities
- Information Systems, eGovernment, Semantic Web and Web Services, Modelling and Simulation, Business Process Modelling
 - General CoChair, IEEE RCIS 2015 (Research Challenges in Information Systems, 2015)
 - General CoChair, GECON 2016 – Conference on the Economics of Grids, Clouds, Systems and Services
 - General CoChair, PCI 2014 – Panhellenic Conference on Informatics
 
Education
- PhD Department of Informatics, University of Athens, 1996
 - BSc Department of Informatics, University of Athens, 1991