1980 -
1982: Curator of the Laboratory of General Botany, Department of Biology, Section of Botany, University of Athens
1982 – 1993: Lecturer of Microbiology, Laboratory of General Botany, Faculty of Biology, Department of Botany-Zoology, University of Athens
1993 –
2002: Assistant Professor of Microbiology, Faculty of Biology, Department of Botany, University of Athens
2002 – 2008: Associate Professor of Microbiology, Faculty of Biology, Department of Botany, University of Athens
2004 – to date: Member of the Administration Committee of the University of Central Greece
2005 - 2009:
President of the Board of the National Marine Park of Zakynthos
2006 - 2009: Head of the Department of Computer Science and Biomedical Informatics of the University of Central Greece
2010 - to date:
Head of the Committee for Public Relations and for the creation of the Alumni
Association, Faculty of Biology, University of Athens
2008 - to date:
Professor of Microbiology, Faculty of Biology, Department of Botany, University of Athens