- 1976-77 Programmer & Analyst
- 1977-79 Teacher in Secondary Education
- 1980-82 Associate Professor in the Centre of Higher Technical
Education
of Kozani, Greece
- 1983-86 Associate Professor in the Centre of Higher Technical
Education
of Athens, Greece
- since
1887 Professor
in the
Technological Educational Institution (T.E.I.) of Athens
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