Oct 2017 - , Laboratory Teaching Staff, University of Thessaly, Dpt. of Economics

Apr 2014 – Oct 2017, Vocational Education, Professor of Informatics

Oct 2013 – Mar 2014, Vocational Training Institute (IEK) of Volos, Director

Sep 2012 – Sep 2013, Vocational Education, Professor of Informatics

Sep 2011 – Aug 2012, Centre for Research & Technology Hellas: Researcher

May 2010 - Aug 2011, Centre for Research & Technology Thessaly: Researcher

Sep 2008 – May 2010, Vocational Education, Professor of Informatics

Sep 2005 – Aug 2008, University of Thessaly, Computer & Communication Engineering Dpt.

Sep 2003 – 2012, Centre for Research & Technology Hellas: Research associate

Sep 2003 – 2012, University of Thessaly: Research associate

Sep 2001 – Aug 2005, Vocational Education, Professor of Informatics

May 2000–August 2001, UUnet/WorldCom Hellas, Athens: Customer Service and Operations Country Manager for Greece

1999 – May 2000, FORTHnet, Athens: CEO office, Senior Technical Consultant & Business Development

1996-1998, FORTHnet, Thessaloniki & Athens: Technical Director

1994-1995, FORTHnet, Heraklion: Networks Analyst

1992-1994, Foundation for Research & Technology Hellas (FORTH), Heraklion: NOC Engineer

1989-1992, Computer Center of the University of Crete, Heraklion: Networks Associate