Peter Sand?e is trained as a philosopher and is currently professor of bioethics at the University of Copenhagen, Denmark.
Stine B. Christiansen is a DVM and MSc in applied animal behaviour and welfare and is currently doing her Ph.D. at the University of Copenhagen.
Both authors have engaged in interdisciplinary research on animal ethics for a number of years. They have advised politicians on animal issues and contributed to the public debate. In addition, they have been involved in setting up and teaching a compulsory course in animal ethics for veterinary students at the University of Copenhagen.