Jonna Mazet, DVM, MPVM, PhD, is the Vice Provost – Grand Challenges at the University of California, Davis. She is Chancellor’s Leadership Professor of Epidemiology and Disease Ecology and founded the One Health Institute in the UC Davis School of Veterinary Medicine, where she focused on global health problem solving, especially for emerging infectious disease and conservation challenges. Dr. Mazet is active in international One Health education, service, and research programs, most notably in relation to disease transmission among wildlife, domestic animals, and people and the ecological drivers of novel disease dynamics. Over the past decade, she was the Global Director of a greater than $200 million viral emergence early warning project, named PREDICT, that was developed with the US Agency for International Development’s (USAID) Emerging Pandemic Threats Program. She was elected to the National Academy of Medicine in 2013 in recognition of her successful and innovative approach to emerging environmental and global health threats and serves on the National Academies of Science, Engineering, and Medicine’s Forum on Microbial Threats and the Academies’ One Health Action Collaborative. She was appointed to the National Academies Standing Committee on Emerging Infectious Diseases and 21st Century Health Threats, which was created to assist the federal government with critical science and policy issues related to the COVID-19 crisis and other emerging health threats.