Barrie Gunter is a psychologist by training who worked in the broadcasting industry before moving to the academic world. He has specialised in the study of the psychological impacts of television and the Internet. He has produced 70 books and more than five hundred other publications on media, marketing and business topics. He is Emeritus Professor in Media at the University of Leicester. Jill Gunter (formerly McAleer) has degrees in education, statistics and film and television and has worked in market research, teaching and educational research and management. She has written/co-written a number of books and research papers about children and television.