Yo Han Lee is the Director of the Korea University Institute for Health and Social Affairs on the Korean Peninsula (IHSAK) and a Professor in the Department of Preventive Medicine at Korea University College of Medicine. He conducts extensive research on North Korean healthcare and collaborates closely with international organizations such as the IHME(Institute for Health Metrics and Evaluation) and WHO, as well as South Korean government agencies including the Ministry of Unification, the Ministry of Health and Welfare, and national research institutes. He is a Medical Doctor (MD) and board-certified specialist in preventive medicine who graduated from Korea University College of Medicine and holds a PhD in Public Health.