Redefine Weight Loss Programs

A powerful online learning platform using up-to-date medical research to guide you to weight loss success.

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The Redefine online weight loss programs were created to help people who have battled weight gain, the inability to lose weight or keep it off all their lives. It was created  by Dr Marlene Tham, a doctor, who after many years of weight loss consulting, understands weight loss and what people need to have weight loss success. These weight loss programs aim to provide solution focused and evidence based strategies which cover all aspects of weight management: mind, diet, exercise and medicine. Find out more.

Our Team

Dr Marlene Tham

Dr Marlene Tham

Weight Loss Doctor & Obesity Researcher
Terry Chong

Dr Terence Chong

Dr Erica Pong

Dr Erica Pong



Telstra Business Awards
City of Melbourne

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