Brian Heasley is the International Prayer Director for 24-7 Prayer and is part of 24-7’s international oversight team. He also works at Lambeth Palace as Global Ambassador for Thy Kingdom Come. Along with his wife Tracy, Brian pioneered the work of 24-7 Prayer in Ibiza, where they developed rhythms of Christian prayer and mission. His previous books include Writing on the Wall (Baker, 2007) and Gatecrashing (Muddy Pearl, 2014).

Amy Boucher Pye is an author, speaker and retreat leader. She is the author of the award-winning Finding Myself in Britain (Authentic Media, 2015) and The Living Cross (BRF, 2016), and has written Bible reading notes for over a decade. She writes for Our Daily Bread Ministries and runs the Woman Alive book club. She holds an MA in Christian Spirituality from Heythrop College, University of London.

Sarah Yardley is a Californian based in Cornwall who knows a little something about change, her life carrying her from megachurch to village church, and from home-schooling to visiting over 90 countries. She is Mission Lead at Creation Fest UK, Canon of Truro Cathedral, and on team at Tubestation. MORE > Change is her first book. Keep in touch with Sarah at sarahyardley.com