Hung Nguyen (full name Hung Nguyen-Viet) is the co-leader of Animal and Human Health Program at the International Livestock Research Institute (ILRI) and the lead of the CGIAR initiative on One Health. His current research focuses on the link between health and agriculture, food safety, and infectious and zoonotic diseases with an emphasis on the use of risk assessment for food safety management with an integrative approach (One Health and Ecohealth). 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 the chair of the working group Integrating a One Health Approach to COVID-19 Response at the CGIAR COVID-19 Hub. He was also a WHO expert to study the SARS-CoV-2 origins in Wuhan, China in 2021 and is a member of the WHO Scientific Advisory Group for the Origins of Novel Pathogens (SAGO).

Prior to joining ILRI, he co-founded and led the Center for Public Health and Ecosystem Research (CENPHER) at Hanoi University of Public Health, Vietnam where he developed a regional research portfolio on agri- and environmental health and coordinated the Ecohealth Field Building Leadership Initiative (FBLI) in Southeast Asia. He worked for Swiss Tropical and Public Health institute (SwissTPH) and Sandec/Eawag in Switzerland as a postdoctoral researcher in Microbiology, Health, and Environment within the Swiss NCCR North-South.

He has experience working in Asia, Africa and Europe and holds a PhD in Life and Environmental Sciences from France.