David Mitchell is a lecturer in education at UCL Institute of Education (IOE). He taught geography in secondary schools and colleges before becoming a teacher educator. His current role is researching Geography education and leading the Geography Postgraduate Certificate in Education (PGCE) course at UCL-IOE. Prior to that, he led the Secondary PGCE programme at UCL-IOE (a programme which each year prepares up to 700 new High School teachers in 18 different subjects). He is interested in the influences over the school curriculum, teachers’ roles as ‘curriculum makers’ and how teacher education can support curriculum leadership in schools.