Steve Chalke is an ordained minister and the founder of Oasis, which over the last 25 years has developed into a group of charities working to deliver education, training, youth work, health care and housing around the world. He is the senior minister of Church.co.uk, Waterloo and a UN Special Advisor working to combat people trafficking. In 2004 he was awarded an MBE by the Queen for his work in social inclusion.
Joanna Wyld began her career writing about music for CD liner notes and concert programmes. She studied at Oxford, where she was listed as one of the Women of Distinction in 25 years of women at New College, and lives in London with her daughter, Eva.