Professor Helen Cowie is Emeritus Professor at the University of Surrey, MA, MSc, PhD, FBPS, PGCE, Dip in Psychotherapy. For over 25 years she has specialized in strategies to counteract school bullying. Dr Harriet Tenenbaum, PhD is a Reader in Developmental Psychology at the University of Surrey. Harriet's research interests include how children learn from everyday interactions with others, such as conversations with parents and peers and peer rejection. Dr Ffion Jones, PhD English Literature (Bangor) is a children's author and illustrator.