Our Team

William B. Karesh, DVM

Executive Vice President for Health and Policy, EcoHealth Alliance​

Dr. William Karesh is the Executive Vice President for Health and Policy of EcoHealth Alliance, President of the World Organization for Animal Health (OIE) Working Group on Wildlife and Chair of the International Union for the Conservation of Nature (IUCN) Species Survival Commission’s Wildlife Health Specialist Group. He serves as project liaison for the USAID Emerging Pandemic Threats PREDICT-2 program (a $140M effort to prevent infectious diseases in 30 countries) and is a member of World Health Organization’s IHR Roster of Experts. In 2003, he coined the term "One Health" to describe the interdependence of healthy ecosystems, animals and people. In addition to his work in the private non-profit sector, Dr. Karesh has also worked for the USDA, US DOD and DOI. He served as a consultant for the Food and Agriculture Organization of the U.N., and is currently one of four members of the Steering Committee of OFFLU (OIE-FAO Network of Expertise for Influenzas), Dr. Karesh has led projects and programs in over 45 countries, has published over 180 scientific papers and book chapters, and written for broader audience publications such as Foreign Affairs and The Huffington Post.

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