Dr Olga De Santis is in charge of international cooperation at the University Hospital of La Réunion in the southwest Indian Ocean. She is a healthcare professional with clinical training in internal medicine in Switzerland. She holds a master’s degree in clinical research in international health from the Barcelona Institute of Global Health and obtained a doctorate in epidemiology from the Geneva Institute of Global Health. Her research endeavors prominently emphasize global health, tropical infectious diseases, and the pivotal nexus between health systems and climate change adaptation.