Dr. Leighton is responsible for overall direction and administration of the CCWHC in consultation with staff and colleagues in all regions. His major focus of attention is wildlife disease surveillance and national and international disease management policy. He is a member of the permanent Working Group on Wildlife Diseases of the World Organization for Animal Health (OIE) and is the Theme Leader for Chronic Wasting Disease for PrioNet Canada. He maintains a small research program on epidemic disease in Double-crested Cormorants and teaches aspects of wild animal health and disease to undergraduate and graduate students. His consuming interests are wildlife conservation and its place in sustaining ecological stability and human well-being within the limits of the biosphere. He has degrees from the University of Saskatchewan (DVM), Cornell University (AB, PhD) and Memorial University (Dip Ed.), and became a diplomate of the American College of Veterinary Pathologists in 1984.