Glenn Mackintosh is the principal psychologist at Weight Management Psychology and consultant psychologist for Ten’s The Biggest Loser: Transformed. He is a member of the Australian Psychological Society, a fellow of the Obesity Prevention and Treatment Society, and the Queensland representative for the APS Psychology of Eating, Weight, and Body-image Interest Group.

Before venturing into full-time private practise, he was the psychology coordinator at the Wesley Lifeshape Clinic, and he consults with Qld Bariatrics patients pre and post surgery. Glenn’s research investigated psychological and social factors and weight management and he has lectured in weight management psychology, health psychology, and sport and exercise psychology at the University of Queensland, Griffith University, and the Australian College of Applied Psychology.

Glenn also features in the media regularly, sharing his expertise on weight-related topics for Weight Watcher’s Magazine, 4BC Radio, and A Current Affair.