Gabrielle is an Accredited Practicing Dietitian, exercise physiologist and author of the book The Perfect Juice (New Holland). After working for more than 12years as a dietitian specialising in chronic disease and weight management, Gabrielle is now undertaking her PhD. Her research is focused on investigating the use of severely energy-restricted diets in the management of severe obesity through Royal Prince Alfred Hospital Metabolism and Obesity outpatient service and The University of Sydney. Gabrielle is also a regular feature writer for popular fitness magazines and a sought-after presenter. She has appeared on TV and radio, and made contributions to local and national newspapers across Australia.