Mary served her curacy at St Lawrence, Hatfield, and has been the Rector of the Church of the Good Shepherd, Kirk Sandall and Edenthorpe since 2008. Alongside her parish role she is also the Assistant Diocesan Director of Ordinands, working with those exploring a vocation to ordained ministry. Prior to ordination, Mary worked for the Prison Service for ten years, latterly as Deputy Governor of HMP and YOI Moorland near Doncaster.

Martyn Snow was officially welcomed as the Bishop of Tewkesbury in the Diocese of Gloucester in 2013. At 45 years old he is the youngest serving Bishop in the Church of England. He was born and raised in Indonesia and worked as a Vicar and youth chaplain in West Africa. His ministerial life back in the UK has been spent in Sheffield and Rotherham where he trained for his curacy, becoming a Vicar and an Area Dean before being appointed Archdeacon.

Jane Williams teaches Christian doctrine at St Mellitus. She is also a visiting Lecturer in Theology at King’s College London, having previously taught at Trinity College Bristol. She is regularly invited to teach and speak all over the world, and is involved in promoting theological education in other parts of the Anglican Communion.

The Rt Revd Dr Graham Tomlin is the Bishop of Kensington. He was Dean of St Mellitus College until 2015, having previously beet a curate in Exeter, Chaplain of Jesus College Oxford, and tutor in Historical Theology at Wycliffe Hall, where he eventually became Vice Principal. In 2005 he helped found St Paul’s Theological Centre, which is now part of St Mellitus College.

Steven Croft is to be the next Bishop of Oxford, having been Bishop of Sheffield since 2009. A former Archbishop's Missioner and the first Team Leader of Fresh Expressions, he is the author of many acclaimed books including Jesus' People: What the Church should do next and editor of Mission-shaped Questions. Steven is a co-creator of the Emmaus course and co-author of the Pilgrim course.

Paula Gooder is a freelance writer and lecturer in Biblical studies, a Reader in the Church of England and an honorary Canon Theologian at Birmingham and Guildford Cathedrals.

Robert Atwell is the Bishop of Exeter and the current Chair of the Church of England's Liturgical Committee. He is the compiler of Celebrating the Saints, Celebrating the Seasons, and three anthologies of readings for special occasions: Gift, Love and Remember. His other books include Spiritual Classics from the Early Church, The Contented Life and The Good Worship Guide: Leading liturgy well. He is a co-author of the Pilgrim course.

Stephen Cottrell is the Archbishop of York, and a prolific and much-loved author. He has previously served as Bishop of Chelmsford, Bishop of Reading, and Canon Pastor at Peterborough Cathedral. Stephen is a co-author of the Pilgrim course.