John was born on the West coast of Scotland and grew up in Aberdeenshire. He was ordained in the Episcopal church in 1991 and has served in parishes in Perth, Glasgow and Edinburgh. He has also worked as chaplain of King's College in Cambridge and, most recently, of the Royal Marsden Hospital in London. His interests include choral, jazz and folk music, the visual arts and modern fiction. He writes occasional journal articles on spirituality and is currently researching the spiritual writings of Thomas Merton and William Johnston.