Stephen Spencer (D.Phil, University of Oxford) is Director for Theological Education in the Anglican Communion and a canon of Musoma Cathedral in the Diocese of Mara, Tanzania. He has been a tutor and lecturer in theological education since 1999 and is author of William Temple: A Calling to Prophecy (SPCK, 2001), Christ in All Things: William Temple and His Writings (Canterbury Press, 2015), and editor of Theology Reforming Society: Revisiting Anglican Social Theology (SCM Press, 2017). He is author of three SCM Press study guides, on Christian mission (2007), Anglicanism (2010) and church history (2013), and of the forthcoming Growing and Flourishing: The Ecology of Church Growth (SCM Press, 2019). Muthuraj Swamy (PhD, University of Edinburgh, UK) is Director of the Cambridge Centre for Christianity Worldwide, and a Visiting Fellow at St John's College, Durham University. He is also project manager of the Theological Education for Mission in the Anglican Communion, London. Previously he was a theological educator in India, where he hails from, and has been involved in interfaith activities and peace-building programmes for several years. He is the author of several articles and book chapters and of the books The Problem with Interreligious Dialogue: Plurality, Conflict and Elitism in Hindu-Christian-Muslim Relations (London: Bloomsbury, 2016) and Reconciliation (SPCK, 2019), the Archbishop of Canterbury's Lent book for the year 2019.