1. “1st International Meeting of CEM/NET-Network of Epidemiology for Tracking Antibiotic Resistant Bacterial Pathogens in Southern and Eastern Europe”, May 1995, Oeiras, Portugal: representative of the Dept. of Microbiology, Medical School, University of Athens.
2. “Νew Approaches to Molecular Diagnosis and Typing in Public Health Microbiology”, May 2002, CPHL-PHLS, Colindale, London, UK: representative of the Hellenic Centre for Infectious Disease Control (KEEL).
3. «European Conference on the Role of Research in Combating Antibiotic Resistance» - co-organised by DG-RESEARCH of the European Commission and the European Society of Clinical Microbiology and Infectious Diseases, Vatican, November 2003: invited by the European Society of Clinical Microbiology and Infectious Diseases.
2. “Νew Approaches to Molecular Diagnosis and Typing in Public Health Microbiology”, May 2002, CPHL-PHLS, Colindale, London, UK: representative of the Hellenic Centre for Infectious Disease Control (KEEL).
3. «European Conference on the Role of Research in Combating Antibiotic Resistance» - co-organised by DG-RESEARCH of the European Commission and the European Society of Clinical Microbiology and Infectious Diseases, Vatican, November 2003: invited by the European Society of Clinical Microbiology and Infectious Diseases.
