Ian is one of the UK's most respected experts in obesity and weight loss. He's a prominent campaigner for the prevention and treatment of obesity and founded the National Obesity Forum.
Janet is a doctor in nutrition science and was previously a company nutritionist for Nestle UK.
Kelly has an MSc in sport and exercise medicine. She lectures physiotherapists at Nottingham University and is Director of The Body Project. Kelly has also been a player and consultant for the England under 18 and under 21 women's hockey teams.