Head of Wildlife Service ISPRA, and Chair IUCN Invasive Species Specialist Group

Environmental Studies Department, University of California Santa Cruz

University of California, Davis

Professor of Integrative Biology, Michigan State University

Boone and Crockett Chair in Wildlife Conservation, Michigan State University

Emeritus Professor of Conservation Biology, Massey University

Australian National University and Charles Darwin University

Conservation scientist- Wildlife Conservation Society; Honorary Professor, Stirling …

Professor Wildlife Ecology and Conservation, University of FLorida

Professor of Ethology