Professor of Microbiology at the University of Siena (Italy) and Vice-president of the Sclavo Vaccines Association  

Professor of Vaccinology and Pediatrics at the University of Geneva (Switzerland), Director of the Center of Vaccinology of the University Hospitals of Geneva, Director of the Center for Vaccinology and the Pediatric Department of the University of Geneva and Head of the WHO Collaborating Center for Vaccine Immunology.

Associate Professor, Department of Microbiology & Immunology, Institute of Biomedicine, Sahlgrenska Academy at University of Gothenburg, Sweden

Professor of Immunology, Head group Immunology and Immunogenetics of Bacterial Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands

Chief Scientific Officer and Chief Operating Officer, Infectious Disease Division, BioProtection Systems/NewLink Genetics Inc., Devens, Massachusetts, USA