David's career has largely focused on the education and discipling of children and the training of teachers. He was founding head of The King's School, Witney, Oxford, in 1984 where he was headteacher for 17 years. He has subsequently helped plant Christian schools in the UK, Kazakhstan, Poland, Uganda and Rwanda. He also now regularly trains teachers in these countries and has had input to Canada, Norway, India, Nigeria and some other African countries. He mentors several teachers and also headteachers and other leaders in Rwanda, Uganda and South Korea, where he recently spent 3 months and is Honorary Principal of a school in Seoul. In Rwanda he is regularly involved with pastors from Salt and Light International related churches in Rwanda. He is also one of 4 directors of Bridge Schools Inspectorate, which is officially recognised by the British government. He has set up HighLight (www.highlightonline.org) which aims to inspire and equip educators, offering key principles to help them be effective in their teaching and mentoring. David is married to Rosie and they live in Henley-on-Thames. They have 3 children of their own, now married, and 11 grandchildren. They have also adopted an adult son in Rwanda who was an orphan.