Jonathan Phillips is Professor of Crusading History at Royal Holloway, University of London. His most recent book was The Life and Legend of the Sultan Saladin (2019), translated into several languages including Italian, Turkish and Indonesian.

Earlier titles include Holy Warriors: A Modern History of the Crusades (2009) and The Fourth Crusade and the Sack of Constantinople (2004). In August 2021 he was elected President of the Society for the Study of the Crusades and the Latin East. He is the General Editor of the forthcoming Cambridge History of the Crusades, 2 volumes, 2025. He works and teaches on the medieval Mediterranean world, on female royal power, and on the legacy of the crusades. In July 2024 he was made an Honorary Fellow of the Historical Association.