Sun Hui graduated from the School of Public Health at Peking University, the China Field Epidemiology Training Program, Griffith University in Australia, and the Chinese Center for Disease Control and Prevention. He has received training in preventive medicine, field epidemiology, emergency management, and climate change. With over 20 years of experience in the health and environment sectors, he has worked on infectious disease prevention and control, environmental health, and health emergency management across China, in the US, and in Africa. He currently works at the UNICEF Office for China, focusing on children’s environmental health.