Marco Apollonio is Full Professor at the University of Sassari, where he is presently Director of the Department of Zoology and of the Ph.D. school in Natural Science. His main interests are in ungulate behaviour, ecology and genetics, with a specific focus on mating and social behaviour and on predator-prey relationships involving wolves and ungulates. He is Past-President of the Italian Mammalogical Society and was involved in conservation activities as CITES Scientific Commission Member for Italy and as a member of the board of directors of two national parks in the last 15 years.

Reidar Andersen worked for many years in the Norwegian Institute for Nature Research. In 2005 he became Professor in Conservation Biology at the Museum of Natural History and Archaeology at the Norwegian University of Science and Technology. He has been leading several cross-disciplinary research projects focusing on ungulates and large carnivores, always aiming to produce applied knowledge, securing sustainable management of the species involved. Since 2009 he has become part of the Directorate team at the Norwegian Directorate for Nature Conservation.