Postgraduate work includes an internship at the USDA Plum Island Animal Disease Center (focused on foot and mouth disease and African swine fever), and Residency in Applied Epidemiology at the Virginia-Maryland Regional College of Veterinary Medicine. From 2000-2010, he served as Veterinary Epidemiologist at the Lincoln Park Zoological Society (Chicago, IL), where he created a Research Center in Ecosystem Health, co-founding the Zoo Animal Health Network (ZAHN) in North America, the Gombe Ecosystem Health Project, and the Serengeti Health Initiative in Tanzania. In 2008, he became Vice President of Conservation and Science at LPZ with oversight of five Research Centers consisting of over fifty scientific staff in North America, Latin America and Africa. In 2010, he joined the UMN College of Veterinary Medicine Ecosystem Health Initiative as Associate Professor of Wildlife Epidemiology, with an adjunct appointment in the School of Public Health. His current research and teaching interests include epidemiology of emerging and zoonotic diseases, international/cultural collaboration in medicine, and exploring relationships between Biodiversity and Health.