Ian Gilby is an Assistant Professor in the School of Human Evolution and Social Change at Arizona State University. He has studied the behavioral ecology of wild chimpanzees since 1997. Gilby's main research interests are cooperative hunting, meat sharing, and adult male dominance strategies. He is co-director of the Gombe Chimpanzee Database, which contains over five decades of detailed behavioral, ecological, and demographic data from the long-term study of two chimpanzee communities in Gombe National Park, Tanzania