Jonathan Sleeman is currently a One Health Specialist with the Food and Agricultural Organization Regional Office for the Asia and Pacific. He was previously a Science Advisor for the U.S. Geological Survey and Center Director for the U.S.G.S. National Wildlife Health Center where he led a team that provides national leadership to safeguard wildlife and ecosystem health through multidisciplinary research and technical assistance to federal, state, and tribal agencies as well as internationally as a WOAH Collaborating Centre. He is also an Adjunct Professor at the University of Wisconsin, School of Veterinary Medicine and at Mahidol University Faculty of Veterinary Science.