Mark Enser has been teaching geography for fourteen years and is currently a head of department at Heathfield Community College. He contributes articles to TES and to the Guardian Teacher Network and often speaks at education conferences. Mark also writes a blog called Teaching It Real and tweets @EnserMark. The rest of the time he spends reading, drinking coffee and running in the hills. Shaun Allison leads on CPD in his school and is interested in supporting teachers to grow and develop their classroom practice. He is the author of the widely acclaimed Perfect Teacher-Led CPD and a popular speaker. Shaun's background is in science teaching and he is currently deputy head teacher at Durrington High School.Andy Tharby, a practising English teacher, is a research lead with an interest in helping ordinary classroom teachers enhance their practice through engagement with a wider evidence base. His well-regarded blog, Reflecting English, covers a range of subjects from improving student writing to finding solutions to the problems and dilemmas faced by busy teachers. Andy Tharby is a practising English teacher with over a decade's classroom experience at a secondary school in West Sussex. He is co-author of the award winning Making Every Lesson Count and the author of Making Every English Lesson Count. Andy is also interested in helping fellow teachers enhance their practice through engagement with research evidence.