Bill Leadbetter holds a doctorate in Ancient History from Macquarie University and has taught at universities in Western Australia and New South Wales. He has published widely in the scholarly press and elsewhere on issues of Roman History, Archaeology, Church History and Education. He is the author of the innovative and well-received study of the emperors Diocletian and Galerius published in the Routledge Imperial Biographies series. A popular and accomplished lecturer, Bill has delivered public lectures over a number of years for a number of community organizations. He is also a regular commentator in issues of religion and society on ABC Sunday night radio.