James Serpell holds the Marie A. Moore endowed Chair of Animal Ethics & Welfare at the School of Veterinary Medicine, University of Pennsylvania. He teaches veterinary ethics and animal welfare. His research focuses on the behaviour and welfare of companion animals, the development of human attitudes to animals, and the history and impact of human-animal relationships. He has published more than 170 articles and book chapters and is the author, editor or co-editor of several books including Animals & Human Society: Changing Perspectives (1994), In the Company of Animals (1996), Companion Animals & Us (2000), and The Domestic Dog (2017).