Irène Bellier, is a senior research director at the French National Center for Scientific Research (CNRS) and teaches at the Graduate School of Social Sciences (Ecole des Hautes Études en Sciences Sociales, EHESS) in Paris. She is the director of the Laboratory of the Anthropology of Institutions and Social Organizations (LAIOS) at Interdisciplinary Institute for Contemporary Anthropology (IIAC). Jennifer Hays is an associate professor of social anthropology in the Department of Social Sciences (ISS) at UiT the Arctic University of Norway, in Tromsø.