Our Clinical Doctors

Dr Jang Lee


Dr Jang Lee Dr Jang Lee

Dr Jang Lee graduated from University of Sydney in 1994. He underwent advanced training at Westmead Public hospital in anaesthetic and intensive care and worked as a senior registra up until 2000. He currently works at Westmead and Strathfield private hospitals as a senior intensive care CMO. He is a clinical associate of the University of Sydney and is active in training final year medical students in ICU medicine.

Dr Lee is the Deputy Director of NSW Bone Bank since 2013. He has an interest in cosmetic injectables and has treated patients for the last 7 years.

Since 2012 Dr. Lee joined the team at SIOS as a bariatric physician, monitoring and working closely with patients to achieve optimal outcomes.

Dr Vincent Braniff

M.B., B.S. (Adel), B.A. (Syd), Capt RAAMC

Dr Vincent Braniff Dr Vincent Braniff

Dr Vincent Braniff moved to Sydney after finishing his high school certificate and graduated from medicine at the University of Adelaide in 1993.

After internship at the Royal Adelaide Hospital he returned to Sydney and did residency at St Vincent’s Hospital in Sydney. He maintained part time work in the accident and emergency unit, whilst undertaking full time army service as a Regimental Medical Officer for the next 4 years and subsequent reserve service. After this he undertook periods of surgical training and work as a registrar at St Vincent’s & Liverpool Hospitals. This was interspersed with work internationally in Azerbaijan, Georgia, Mali, Nigeria, China, and Borneo.

Subsequently Dr Braniff worked as a locum surgical registrar at Tweed Heads Hospital and, for the last decade permanent part-time, in Emergency at the Allamanda Private Hospital on the Gold Coast.

n addition he is the resident Honorary Medical Officer & tutor at St Paul’s College, Sydney University, and is undertaking a part time Master of Arts by Research in international relations, having completed a Bacheolar of Arts (European Studies).

Dr Braniff first worked at SIOS in 2006 and has continued to work with bariatric surgeons in Australia and internationally since.

Dr Braniff provides an excellent clinical services and support to our patients, as part of the specialised and experienced multidisciplinary SIOS Aftercare team.

  • International Federation for the Surgery of Obesity and Metabolic Disorders
  • The American Society for Gastrointestinal Endoscopy
  • American Society for Metabolic and Bariatric Surgery
  • Obesity surgery society of australia and newzealand
  • Society for surgery of the alimentary