David Weston is the founder and Chief Executive of the Teacher Development Trust, the national charity for effective professional development. He Chaired the Department for Education’s Teachers’ Professional Development Expert Group and advises the Department on Early Career Teachers and school leadership. David taught maths and physics for ten years in two schools in London and the South East. He is a Council Member and Fellow for Chartered College of Teaching. David speaks and writes frequently for the education sector and national media and has had a number of radio and TV appearances around teaching, teacher development and LGBT issues.