Director of Research, Institute of Biology, Medicinal Chemistry and Biotechnology, National Hellenic Research Foundation
Academician, Head of the Research Center of Atmospheric Physics and Climatology of the Academy of Athens
Professor of Microbiology in National and Kapodistrian University of Athens
Professor, Enzyme Biotechnology, School of Chemical Engineering National Technical University of Athens, Biotechnology Lab
Professor of Experimental Physiology at the Medical School of the University of Athens and Director of the Immunology Division at the Biomedical Sciences Research Center"Alexander Fleming"
Professor of Molecular Systems Biology at the Medical School of the University of Crete, Director of the Institute of Molecular Biology and Biotechnology, at the Foundation for Research and Technology
Assistant Professor, Head of Advertising and Public Relations Lab, Dpt of Communication Media and Culture Panteion University of Social and Political Sciences
rofessor and Chairman of the First Department of Pediatrics at the University of Athens School of Medicine, 1st Paediatric Clinic, “Agia Sofia” Childrens' Hospital