The authors, an ecologist and an anthropologist, have both worked on the conservation and sustainable use of wildlife for several years, including the ivory and rhino horn trades.
Eleanor Jane Milner-Gulland is the Tasso Leventis Professor of Biodiversity at the University of Oxford and director of the Interdisciplinary Centre for Conservation Science. She is particularly known for her work on Saiga Antelope. Ruth Mace is the author of Conservation of Biological Resources, published by Wiley.