Dr. Colin G. Scanes is Professor Emeritus of Ecology, Evolution & Behavior at the University of Wisconsin, Milwaukee. He obtained his PhD from the University of Wales and his DSc from Hull University. His research interests include anthrozoology; animal physiology, nutrition, and production; and veterinary medicine. He has received numerous awards for his research in animal and agricultural sciences, most recently from the American Society of Animal Science. In addition to faculty positions with the University of Wisconsin, Iowa State University, and Mississippi State University, Dr. Scanes has worked various federal positions with the USDA, SANREM CRSP, DOE, and EPA FQPA.

He has led the development of more than a dozen books, including the first edition of Animals and Human Society and the 6th and 7th editions of Sturkie's Avian Physiology. Clive Phillips was Australia's first Professor of Animal Welfare, at the University of Queensland, and a lecturer at the Universities of Cambridge and Wales. He has authored over 430 scientific journal articles on the welfare of farm, zoo and companion animals, and animal nutrition, transport and production. His books include Towards an Ethical Approach to Animals and Principles of Cattle Production . In In 2012 he received the Australian Museum's Eureka award for Scientific Research that Contributes to the Protection of Animals, and in 2025 he was named Australia's top veterinary medicine scientist by The Australian.