Peter Sarris is Professor of Late Antique, Medieval, and Byzantine Studies at the University of Cambridge and a Fellow of Trinity College. He trained as a historian in Oxford, where he was a Fellow of All Souls College.

He has written extensively on Early Medieval and Byzantine History, and his publications include Byzantium - A Very Short Introduction (2015) and Justinian - Emperor, Soldier, Saint (2023)(which was the Sunday Times, London Evening Standard and BBC History Magazine 'Book of the Year').

Joint lecture with Cirencester Archaeological and Historical Society