Geoff Barton is the General Secretary for the Association of School & College Leaders (ASCL). A former headteacher, he has also written and edited more than 100 books on English and school leadership. He is a Founding Fellow of the English Association and a regular writer and speaker on education.
Jo Shackleton has been a secondary English teacher and subject leader, consultant and inspector. She has been a curriculum adviser on the grammar, punctuation and spelling (GPS) test and is the author of Grammar Survival for Primary Teachers. She has provided training to teachers throughout the country on grammar and punctuation.