Prof. Isabel Leroux-Roels (MD, PhD) is Head of the Center for Vaccinology (CEVAC) at Ghent University Hospital and Associate Professor at Ghent University, Belgium. Her research focuses on the clinical development and evaluation of vaccines, with particular expertise in early-phase clinical trials, vaccine safety, immunogenicity, and immune monitoring. She has extensive experience as principal investigator in international vaccine studies involving novel vaccine technologies and vaccines targeting respiratory infectious diseases. In addition to her research activities, she contributes to national immunization policy discussions as a member of the Belgian NITAG. She is committed to advancing evidence-based vaccination strategies across different populations and throughout the life course.