Jonna Mazet, DVM, MPVM, PhD, is Professor of Epidemiology and Disease Ecology and Executive Director of the One Health Institute in the UC Davis School of Veterinary Medicine. Dr. Mazet, the anchor author for the Global Virome Project, is active in international One Health research programs, most notably in relation to disease transmission among wildlife, domestic animals, and people and the ecological drivers of disease emergence. She is the Global Director of a more than $200 million viral emergence early warning project, PREDICT, which was developed with the US Agency for International Development’s Emerging Pandemic Threats Program. Elected to the US National Academy of Medicine in 2013 for her successful and innovative approach to emerging environmental and global health threats, Jonna also serves on the National Academies’ Forum on Microbial Threats and chairs the Academies’ One Health Action Collaborative.