Jocelyne Porcher, born 1956, research director at the INRA (Institut National de la Recherche Agronomique), defended her thesis in 2001. She has published many books on labour relations between humans and animals. Before she worked as a secretary, a dairy sheep farmer, in an industrial pork factory, and as a technician in organic farming.
Jean Estebanez, born 1982, defended his thesis in 2010 on the social function of zoos in the world. He is a lecturer in social and cultural geography at the Université Paris-Est Créteil. His recent publications deal with the question of the city's factory with animals and in particular the place that work takes there.