My field is early medieval religion in India and Southeast Asia, focusing on the history of Śaivism, its relations with the state, and its influence on Buddhism and Vaishnavism.
- Emeritus Fellow, All Souls College (from 2015)
- Spalding Professor of Eastern Religion and Ethics and Fellow of All Souls (from 1992 to 2015)
- University Lecturer in Sanskrit and Fellow, Wolfson College, Oxford (from 1977 to 1992)
- Platnauer Junior Research Fellow, Brasenose College, Oxford (from 1974 to 1977)
- Domus Senior Scholar, Merton College, Oxford (from 1971 to 1974)
- Undergraduate, Balliol College, Oxford (from 1968 to 1971)
- Early medieval religion in India and Southeast Asia, focusing on the history of Śaivism, its relations with the state, and its influence on Buddhism and Vaishnavism