Dr. Giri Shan Rajahram is a distinguished Infectious Diseases and Global Health Consultant, renowned for his impactful work in public health policy and clinical research. He is a key advisor on infectious diseases for Sabah and Malaysia, leading multinational research teams as a transdisciplinary global health practitioner. His groundbreaking research on *Plasmodium knowlesi* malaria earned him the Endeavour Leadership Award, influencing national and WHO malaria treatment guidelines. With a patient care philosophy deeply rooted in serving indigenous and marginalized communities in Sabah, he also holds leadership roles and academic appointments, demonstrating a comprehensive commitment to advancing tropical medicine and combating antimicrobial resistance.