David is Professor in Exotic Animal Medicine and Surgery and Wildlife Health and Conservation. He joined the University of Sydney as the Director of the Wildlife Health and Conservation Centre and the Avian Reptile and Exotic Pet Hospital in 2006 and has taught exotic pet and wildlife medicine and husbandry, and conservation biology since 1993. He is coordinator for the Masters of Wildlife Health and Population Management program.  David’s research interests include diseases of wildlife and exotic animals, as well as wildlife ecology and conservation. His current koala research involves habitat use, genetic diversity and the impact of disease on low density koala populations in the lower Blue Mountains, Campbelltown, and the Wollondilly and Wingecarribee Shires and also far southeastern New South Wales.