Peter Sarris read Modern History at Balliol College, Oxford (1990-93), after which he was elected to a Prize Fellowship (by examination) at All Souls College, Oxford (where he was a Fellow from 1993 to 2006). He came to Cambridge as a University Lecturer and Fellow of Trinity College in 2000, and has held Visiting Fellowships at Rice University, Texas, and the Dumbarton Oaks Research Library, Washington D.C. (Harvard University). He has published extensively on the history of the Early Middle Ages both East and West, and is a leading authority on the 'Plague of Justinian' and the 'Age of Justinian' more generally. His latest book JUSTINIAN: EMPEROR, SOLDIER, SAINT will be published in the US by Basic Books in September 2023.