Dr Tim Coulson, CBE, has taught in five London primary schools including his favourite job as headteacher at William Tyndale Primary School. He has worked in the national organisations of the Qualifications and Assessment Authority, National Numeracy Strategy and the founding team of Regional School Commissioners at the Department for Education. He has worked in local authorities in Waltham Forest, Lambeth, Camden, Reading, and Essex where he was director of education. He now is in his second favourite job, leading Unity Schools Partnership, an academy trust in East Anglia of primary, secondary and special schools.