Peter Mattock has been teaching mathematics in secondary schools since 2006 and led maths departments from the beginning of 2011 until being promoted to a whole school leadership position. Peter has been accredited as an NCETM Secondary Mathematics Professional Development Lead and a Mathematics Specialist Leader in Education. Peter was also one of the first secondary maths teachers to take part in the NCETM Secondary Mastery Specialist programme and now leads the Maths subject training for the Leicester and Leicestershire SCITT trainees alongside his school role. Peter’s books “Visible Maths: Using representations and structure to enhance mathematics teaching in schools” and “Conceptual Maths: Teaching ‘about’ (rather than just ‘how to do’) mathematics in schools” and “Leading Maths: The essential guide for new and aspiring maths leaders” are available on the Crown House Publishing website, through www.amazon.co.uk or from your preferred local book shop.