Jo Harris, PhD, is director of teacher education and a reader in physical education and sport pedagogy in the School of Sport, Exercise and Health Sciences at Loughborough University in Loughborough, England. She has 12 years of teaching experience and 29 years of teacher training experience, and she was honoured in 2015 as a principal fellow of the Higher Education Academy for her significant and sustained contribution to excellence and leadership in the field. Harris has received many other awards for her teaching and contributions to the profession. She previously served as both vice president and president of the Physical Education Association of the United Kingdom, and she has authored resources and books for teachers and teacher educators. In her leisure time, she enjoys travelling, reading and recreational exercise. Lorraine Cale, PhD, is associate dean and a professor in physical education and sport pedagogy in the School of Sport, Exercise and Health Sciences at Loughborough University. She has worked in the areas of physical education and teacher education and been actively engaged in research on the promotion of physical activity and healthy lifestyles in schools, both within and beyond the curriculum, for many years. Cale has been published in academic and professional journals and has presented at numerous national and international conferences. She has also edited or authored three other books and numerous book chapters, and she has produced resources and training courses for teachers. Cale has twice been an elected member of the executive committee for the Association for Physical Education. She enjoys jogging, skiing, theatre and learning French.