Sue Donaldson is a Canadian author and animal advocate. She started her career as a secondary school teacher before becoming a full-time researcher/writer. She has published across multiple genres, but her primary focus is writing about animals and politics. She has published more than 40 academic articles, and is the co-author, with Will Kymlicka, of Zoopolis: A Political Theory of Animal Rights (OUP, 2011) which won the Canadian Philosophical Association Book Prize in 2013, and has been translated into 11 languages. She is co-convenor of the Animals in Philosophy, Politics, Law and Ethics research group at Queen's University, Kingston, Canada.

Will Kymlicka received his BA in philosophy and politics from Queen's University in 1984, and his DPhil in philosophy from Oxford University in 1987. He is the author of seven books published by Oxford University Press, including Contemporary Political Philosophy (2nd ed., 2001), Multicultural Citizenship (1996), and Zoopolis: A Political Theory of Animal Rights (co-authored with Sue Donaldson; 2011). He is currently the Canada Research Chair in Political Philosophy at Queen's University, a Fellow of the Royal Society of Canada and of the Canadian Institute for Advanced Research, an Officer of the Order of Canada, and a Corresponding Fellow of the British Academy. His works have been translated into 34 languages.