Jonathon Gass is an Assistant Professor of Infectious Disease Epidemiology in the Department of Public Health and Community Medicine at the Tufts University School of Medicine with a secondary appointment in the Department of Infectious Disease and Global Health at the Tufts University Cummings School of Veterinary Medicine. Dr. Gass is an infectious disease epidemiologist, virus ecologist, and global health practitioner studying how zoonotic viruses emerge from animal reservoirs and spill over into human populations. Dr. Gass has a multi-disciplinary background which includes expertise in both human and animal population health, One Health, molecular virology and phylogenetics, global health research/intervention implementation, and capacity building in human/animal laboratory and public health sectors. He has worked for international humanitarian, non-governmental, and academic organizations to establish operational, investigative, and interventional research studies in multiple settings throughout Sub-Saharan Africa, South and Southeast Asia, and the Arctic. Throughout the last several years, his research has focused on the inter-continental migration and transmission dynamics of avian influenza viruses among arctic wildlife and SARS-CoV-2 in settings where humans and animals share close contact. In addition, he has extensive experience designing and implementing monitoring and evaluation protocols for large-scale international epidemiological research and development programs. Dr. Gass is a Salzburg Global Fellow.