Michael Angold was educated at the University of Oxford (BA, D.Phil.). He has worked at the University of Edinburgh from 1970, serving as professor of Byzantine history from 1996 until 2005, when he was appointed professor emeritus.
He has worked in the fields of medieval and Renaissance history and is especially known for his contribution to Byzantine Studies. He has been particularly dedicated to the study of the Comnenian period and of the late Eastern Orthodox Church in the Byzantine Empire.
He has been a member of the British National Committee of the Association Internationale pour les Études Byzantines and of the Byzantine Studies panel of the Research Assessment Exercise.
To mark his retirement the University of Edinburgh held a conference, Ethnonemesis: the creation and disappearance of ethnic identities in the medieval East and West (3–5 June 2005). The keynote speaker was Dr Susan Reynolds, Emeritus Fellow of Lady Margaret Hall, Oxford, and other speakers included nineteen academics from the Universities of Cardiff, Durham, Edinburgh, London, St Andrews, and Wisconsin–Madison, The Queen's University of Belfast, King's College London, and the Institut für Mittelalterforschung, Österreichische Akademie der Wissenschaften (Institute for Medieval Studies, Austrian Academy of Sciences), which co-sponsored the conference with the Medieval and Early Renaissance Studies Programme, University of Edinburgh.
Michael Angold was formerly responsible for producing a bibliography of publications in English for the Byzantinische Zeitschrift.