Stakeholder mapping in Medical Affairs is a strategic process used to identify, analyze, and prioritize key stakeholders who influence healthcare decisions and scientific collaboration. By understanding the roles, interests, and levels of influence of healthcare professionals, key opinion leaders (KOLs), patient advocacy groups, researchers, and internal teams, Medical Affairs professionals can develop more effective engagement strategies. A well-structured stakeholder mapping approach helps improve communication, strengthen relationships, and support evidence-based discussions across the healthcare ecosystem. It also enables organizations to allocate resources efficiently, address stakeholder needs, and align medical objectives with broader business goals. Effective stakeholder mapping in Medical Affairs » ultimately enhances scientific exchange, supports better patient outcomes, and contributes to the success of medical and clinical initiatives.