Professor Mark Winterbottom is Deputy Head of Faculty, at the Faculty of Education, University of Cambridge. He leads the secondary PGCE initial teacher education course, with particular responsibility for biology teacher education. Mark has a wide range of research interests, particularly in science education, teacher education and classroom environment. He has authored and contributed to a wide variety of school textbooks for 11-14, GCSE, and A level students, along with a number of books for teachers and Masters students in Education. Mark is a senior examiner at GCSE and A level, for UK and international qualifications, and regularly runs continuing professional development courses for teachers internationally. He has been involved in a number of curriculum-development projects, as well as teacher education and development projects in the UK and around the world. For full bio: https://www.educ.cam.ac.uk/people/staff/winterbottom/