Luisa Andriollo is a researcher in the Humanities Department of Otto-Friedrich Universität Bamberg, Germany. She is the author of a monograph on imperial administration, local societies and the role of the aristocracy in Constantinople (in French, 2017; winner of the Diehl medal, Académie des inscriptions et belles-lettres).

Alberto Cotza is Associate Professor at the Università degli Studi Roma Tre, Italy. His work examines cultural and political change in early medieval Italy, focusing on the evolution of historical writing in Tuscany and has published a book on the origins and developments of historiography in Medieval Tuscany in Italian (2021).

Paolo Tomei is a researcher at the Università di Pisa, Italy. His research explores the material and symbolic structures of power, and the forms of political and social aggregation in Italy between the 6th and 13th centuries, with a focus on Tuscany. His publications include a monograph on aristocratic structures in the Lucca area (in Italian, 2019).