Dr Hung Nguyen is the Leader (a.i.) of Health Program at the International Livestock Research Institute (ILRI) and the leader of the CGIAR initiative on One Health. His research focuses on the link between agriculture and health, food safety, and infectious and zoonotic diseases with an emphasis on risk assessment and intervention of food safety in informal and traditional markets with using a One Health (and Ecohealth) approach. He was the ILRI regional representative for East and Southeast Asia, the flagship leader of food safety of the CGIAR research program on Agriculture for Nutrition and Health (A4NH) and held management functions in A4NH and CGIAR Covid-19 Hub. He is a member of the WHO Scientific Advisory Group for the Origins of Novel Pathogens (SAGO) and of the One Health High-Level Expert Panel (OHHLEP 2) and was a WHO expert to study the SARS-CoV-2 origins in Wuhan, China in 2021. He has 20 years experience working in Asia, Africa and Europe. Prior to joining ILRI, he was with Swiss Tropical and Public Health Institute and Sandec/Eawag in Switzerland and co-founded and led the Center for Public Health and Ecosystem Research at Hanoi University of Public Health, Vietnam and coordinated the regional initiative on Ecohealth field building in Southeast Asia. He is from Vietnam and holds a PhD in Life and Environmental Sciences from France.