As the founder and director of the Winnett Specialist Group in Melbourne, Australia, he has been a trusted name in weight loss surgery since 2001.

At Winnett Specialist Group, Dr. Winnett offers a range of specialised services, including:

 

Non surgical weight loss techniques

• Weight loss medications

• Gastric Balloon

 

Bariatric Surgery

• The LAP-BAND® System / Gastric Banding Procedure

• Orbera® Intragastric Balloon

• Gastric Sleeve Surgery

• Gastric Bypass Surgery

 

Upper GI Surgery

Hepatobiliary Surgery

Colorectal Surgery

Vasectomy Surgery

 

With over 23 years of experience, Dr. Winnett has performed more than 1,300 weight-loss surgeries and 15,000 endoscopic procedures, successfully helping thousands of patients achieve their weight loss goals. He understands that each patient's journey is unique, and he takes the time to get to know you—your lifestyle, your goals, and your concerns—ensuring that you feel confident and supported every step of the way.

Jason is a fellow of the Royal Australasian College of Surgeons and a member of the Australian Medical Association. He is also a member of the Gastrointestinal Society of Australia and holds a postgraduate qualification from the Medical Council of Victoria. Additionally, he is a member of ANZMOSS (Australian and New Zealand Metabolic and Obesity Surgery Society).

Jason has appointments to the Medical Advisory Boards of the Western Private, and Epworth Freemason Hospitals and is a Medical Director of the Hobsons Healthcare Facilities; located in Altona, Sydenham, and Werribee.

Jason holds appointments on the Medical Advisory Boards of Western Private, St Vincent's Werribee and Epworth Freemason Hospitals.

Dr. Winnett's commitment to personalised care and his extensive experience in both surgical and non-surgical weight loss  make him one of Melbourne's most respected surgeons. Whether you’re considering a Gastric Sleeve, Bypass, or a non surgical  weight loss solution, Dr. Winnett and his team are here to guide you towards a healthier, happier you.

Join Our Community

Want to stay informed about weight loss, healthy living, and success stories from Dr. Winnett and his team? Sign up for our newsletter to receive exclusive insights, recipes, and tips directly from our holistic team.

Have questions or need more information? Don’t hesitate to contact us for a consultation, or call us at (03) 9417 1555. We’re here to help you make the best decision for your health and wellbeing.