Leslie undertakes a number of editorial commitments in additional to his teaching and research work.
He currently serves as:
- co-editor of Archive for the Psychology of Religion
- associate editor of Journal of Beliefs and Values
- senior editor of Rural Theology.
He also serves on the editorial boards of the following journals:
- British Journal of Religious Education
- British Journal of Theological Education
- Implicit Religion
- International Journal for the Psychology of Religion
- International Journal of Education and Religion
- Journal of Christian Education
- Journal of Empirical Theology
- Journal of Research on Christian Education
- Mental Health, Religion and Culture
- Pastoral Psychology
- Psychology of Religion and Spirituality.
Book series
He also serves as co-editor for three series of books:
- Exploring Faith by Darton, Longman and Todd
- Explorations in Practical, Pastoral and Empirical Theology by Ashgate
- Religion, Education and Culture by University of Wales Press.