2007 - 2009, Head of ELKEDE S.A and IT Manager, Technology and DesignCenter, Branch of Thessaloniki (former/retired email: firstname.lastname@example.org ).
2006 -2010, Teaching Associate under contract at Techological Institute of Thessaloniki (former/retired email: email@example.com )
2002,2003 Researcher in the International Research Center of IMEC,Department DESICS (Leuven, Belgium) working with Professor Catthoor.
2000 - 2010, Freelance Electrical Engineer, working as Technical Securityofficer at various offices, shops and other workplaces, or network systems installation and administration (Linux, BSD, microsoft windows, voip, sql, squid,backups) providing IT technical consulting.
2000 - 2002, Network Administration and Technical Support at the Department of Electrical and Computer Engineering, Democritus University of Thrace, Greece (former/retired email: firstname.lastname@example.org ).