Jerome Mairat is Research Associate and former Curator of Roman Coins at the Ashmolean Museum and Lecturer in Roman Numismatics at the Faculty of Classics, University of Oxford. He holds the positions of Director for Roman Provincial Coinage Online and General Editor for the Roman Provincial Coinage series, having authored several volumes. He is also author of the Roman Imperial Coinage volume V.4 on the Gallic Empire (2023). His research is primarily focused on the third-century coinage, both imperial and provincial.

Marguerite Spoerri Butcher is currently Research Fellow on the Coin Hoards of the Roman Empire project, based at the Ashmolean Museum in Oxford. She is also Associate Fellow of the University of Warwick and a scientific member of the Swiss School of Archaeology in Greece.

Her research interests cover a range of subjects pertaining to Greek and Roman coinage, with a focus on the Eastern part of the Mediterranean. She is author/co-author of several RPC volumes (VII.1, 2006; VII.2, 2022; VIII, forthcoming 2025), has published on coin finds from Eretria (Euboea), the coinage of Juba II of Mauretania, and is the main contributor to Griechische Münzen in Winterthur, Band 3: Pamphylien – Mauretanien (2021).

Volker Heuchert is Curator of Greek and Roman Provincial coins at the Heberden Coin Room in the Ashmolean Museum, Oxford. He lectures on Greek Coinage and teaches undergraduate and graduate students. His research focuses on the Roman Provincial coinage of the Antonine Period – the time from the accession of Antoninus Pius to the death of Commodus (AD 138–192). He was one of the joint editors of Coinage and Identity in the Roman Provinces (Oxford, 2005).