Eric Gailledrat is Research Director at the French National Centre for Scientific Research (CNRS), UMR 5140 "Archéologie des Sociétés Méditerranéennes" (Montpellier, France). Former member of the Ecole des Hautes Etudes Hispaniques (Madrid, Spain), his research conducted both in France and Spain focuses on the relations between native and colonial societies in western Mediterranean. Michael Dietler is Professor of Anthropology at the University of Chicago (USA).
He conducts archaeological research in France on ancient Mediterranean colonial encounters, and ethnographic and historical research in Africa, Europe, and the US. Rosa Plana-Mallart is Professor of Classical Archaeology at the University Paul-Valéry Montpellier 3, UMR 5140 "Archéologie des Sociétés Méditerranéennes" (Montpellier, France). Her research focuses on the processes of urbanisation and territorialisation in North-Western Mediterranean and the contacts between Iberian and Greek societies.