Physics teacher (honorary secondary education science consultant) and independent secondary education teacher/trainer on science teaching, school science labs, ICT education at Hellenic Ministry of Education, Hellenic Organization of Teachers Training, Hellenic National Centre of Public Administration.Past positions: Secondary Education Physics Teacher (1976-1986), Principal of 27th Lyceum of Athens (1986-1990), Accredited Teacher at University of Athens (1990-1992), Accredited Teacher at Hellenic Pedagogical Institute (1992-2000), Head of the Center for Physical Sciences (ΕΚΦΕ) Omonoias, Athens (2000-2007), Secondary Education Consultant at Ministry of Education (2007-2010).