Dr. Siyan Yi is an epidemiologist and implementation research scientist with a PhD in Community and Global Health from the University of Tokyo. He is an Associate Professor at the Saw Swee Hock School of Public Health, National University of Singapore, where he leads the NUS Cambodia Program, and serves as Technical Advisor to Cambodia’s Ministry of Health and member of its National Council of Science, Technology, and Innovation. He is also the Founding Director of the KHANA Center for Population Health Research in Cambodia and Adjunct Professor at Touro University California. Dr. Yi’s pioneering work in implementation research focuses on HIV, tuberculosis, and maternal and child health among vulnerable populations in Southeast Asia. He has led several large-scale intervention studies and actively contributes to global health technical working groups.













