Eduardo Sánchez Moreno is Senior Lecturer in Ancient History at the Department of Ancient History, Medieval History and Diplomatics at the Autonomous University of Madrid (Spain), of which he has been director (2019-2023). He completed a Degree in History with two specialities, Prehistory and Archaeology (1992) and Ancient and Medieval History (1993), and obtained a PhD in Ancient History (1997) at the Autonomous University of Madrid. He made his Postdoc at the University of Oxford (1999-2001) and, in addition, he has been visiting scholar at the universities of Minnesota, Oxford, Waterloo, Edinburgh and Cape Town. His main research interest are the peoples and cultures of Ancient Iberia and the study of Roman imperialism and diplomacy in the Western Mediterranean. Principal Investigator of the Research Group Occidens: Power, Conflict and Diplomacy in the Ancient West (Autonomous University of Madrid). He has taken part in several scientific programs, being a Principal Researcher in different R+D+i projects (Spanish State Research Agency, Government of Spain). He is author of two individual books and nearly eighty academic articles and contributions in collective books; he has edited or co-edited several volumes, such as: Unidos en armas. Coaliciones militares en el Occidente antiguo (Edicions UIB-Ediciones UAM, Palma-Madrid, 2019, with E. García Riaza), Veinticinco estampas de la España antigua cincuenta años después (1967-2017), En torno a la obra de Antonio García y Bellido y su actualización científica (Editorial de la Universidad de Sevilla, 2019), Ideología, identidades e interacción en el Mundo Antiguo (Madrid, 2012, with C. del Cerro, G. Mora and J. Pascual), Poder, Cultura e Imagen en el Mundo Antiguo (Ediciones UAM, Madrid, 2011, with G. Mora), and Protohistoria y Antigüedad de la Península Ibérica, volumes I-II (Sílex, Madrid, 2007-2008).

Enrique García Riaza is Professor in Ancient History at the Department of Historical Sciences and Theory of the Arts, University of the Balearic Islands (Spain). He completed his Degree in History (speciality of Ancient History) at the University of Salamanca (1991), as well as the 'Grado de Salamanca' on Roman History (1992). He defended his doctoral thesis in 1997 (University of the Balearic Islands) later published as a book: Celtíberos y lusitanos frente a Roma: diplomacia y derecho de guerra (Universidad del País Vasco, Vitoria, 2002). His main research interests are Diplomacy and Law of War during the Roman expansion. Principal Investigator of the Research Group Civitas (University of the Balearic Islands). He has taken part in several scientific programs, being a Principal Researcher in several R + D + i projects (Spanish State Research Agency, Government of Spain). His publications include: "Laureatae litterae. Announcing Victories and Public Opinion in the Middle Republic" in C. Rosillo López (ed.), Communicating Public Opinion in the Roman Republic, Historia – Einzelschriften, Band 256 (Franz Steiner Verlag, Stuttgart, 2019), 85-106, and "Foreign Cities. Institutional Aspects of the Roman Expansion in the Iberian Peninsula (218–133 B. C.)", in M. Jehne - F. Pina Polo (eds.), Foreign Clientelae in the Roman World: a Reconsideration, Historia Einzelschriften, Band 238 (Franz Steiner Verlag, Stuttgart, 2015), 119-140. He has edited or co-edited several volumes, such as: Unidos en armas. Coaliciones militares en el Occidente antiguo (Edicions UIB-Ediciones UAM, Palma-Madrid, 2019, with E. Sánchez Moreno), In fidem venerunt. Expresiones de sometimiento a la República Romana en Occidente (Dykinson, Madrid, 2019, with A.-M. Sanz), and De fronteras a provincias. Interacción e integración en Occidente (ss. III-I a.C.) (Edicions UIB, Palma, 2011).