Doctors

Bariatric Surgeons

Associate Professor Michael Talbot
MBChB FRACS
Dr Michael Talbot is a Specialist in Bariatric Surgery, Upper Gastrointestinal Surgery, Therapeutic Endoscopy/ERCP, Oesophageal Physiology and Reflux. He progressed to become an Associate Professor in 2015.
Education & Training
After graduating from the University of Otago in 1992 with Bachelor of Medicine and Surgery, he completed his Internship in Wellington, NZ before commencing residency and surgical training at St Vincent’s Hospital, Sydney. In 2001 he graduated from Advanced Surgical Training (Fellowship of Royal Australian College of Surgeons, FRACS) in Sydney South Eastern rotation, then went on to complete further subspecialty training as the Lister Lecturer in Surgery at the Glasgow Royal Infirmary, UK.Â
Returning to Sydney he commenced consultant practice at St George and Wollongong Hospitals in 2003 as a UNSW Senior Lecturer in Surgery. In 2005 he consolidated his public hospital appointment at St George Hospital and currently consults as a Specialist at a number of other sites in Sydney and Wollongong (click here for locations).
A/Prof Michael Talbot teaches and supervises undergraduate Medical Students, Surgical Registrars and Fellows on campus at UNSW and St George Hospital. He is also involved in RACS postgraduate training programs.Â
Specialities
During his career Dr Talbot has been a pioneer of complex Bariatric Surgery in NSW and for the last two decades has had the highest caseload of these patients in the state. He performed Australasia’s first Robotic Bariatric and Oesophageal Surgical procedures.Â
Dr Talbot offers the full range of Endoscopic and Surgical treatments for Neoplasia in the Oesophagus and Stomach, and runs NSW’s longest-established High-Resolution Oesophageal Diagnostic Lab. He is one of the very few clinicians in Australia experienced in newly introduced Endoscopic Therapies to manage early Tumours and Oesophageal Functional Disorders.
Find out more about:
Professional Profile
Professional Membership
A/Prof Michael Talbot is a member of the following organisations:Â
Royal Australasian College of Surgeons; Australian Medical Association; American Society of Metabolic and Bariatric Surgery; American Society of Gastroenterological Endoscopy; ANZ Gastro-Oesophageal Surgeons Association (foundation member); ANZ Metabolic and Obesity Surgery Society; International Federation for Surgery of Obesity; Australasian Neurogastroenterology and Motility Association.
Positions
- Head of Department: Upper GI Surgery: St George Hospital
- Chairman: Department of Surgery and the Medical Advisory Committee: St George Private Hospital
- President: ANZ Metabolic and Obesity Surgery Society 2019-2020
- Executive Committee/Treasurer: Sydney Upper Gastrointestinal Surgical SocietyÂ
- Surgical Representative: The Obesity Collective
- Founding Director/Secretary: Upper GastroIntestinal & Metabolic Research FoundationÂ
Research
ResearchÂ
A/Prof Michael Talbot is continually involved in the research of Upper Gastrointestinal disorders, Bariatrics and other related conditions. To learn more about the peer reviewed publications that A/Prof Talbot has taken part in please visit our Research section.Â
A/Prof Talbot is also a reviewer of the following Medical Journals:Â
Medical Journal of Australia; ANZ Journal of Surgery; Obesity Surgery Journal of Metabolic Surgery and Allied Care; Surgery for Obesity and Related Diseases Journal.

Dr Gary Yee
MBChB FRACS
Dr Yee is a specialist-trained Upper Gastrointestinal and Bariatric Surgeon with a strong interest in laparoscopic surgery and research. He has been working as a consultant surgeon at St George and Sutherland hospitals since 2013.
Dr Yee is a specialist-trained Upper Gastrointestinal and Bariatric Surgeon with a strong interest in laparoscopic surgery and research. Born in Malaysia, he undertook primary and secondary education in Brunei and Singapore before commencing Medicine at Sydney University.
After completing medicine in 1994, Dr Yee completed his general medical residency before starting work in surgical research in Australia. After time spent in surgical training in Scotland, he joined the Royal Australasian College of Surgeons Training program in Sydney in 2005 and qualified as a General Surgeon in 2010. Subsequent to this he has spent time as a senior registrar in Bankstown Hospital and training in Upper GI surgery in Malaysia.
After being selected for Subspecialty training by the Australia and New Zealand Gastro-oesophageal Surgery Society (ANZGOSA) he undertook an Upper GI fellowship at Newcastle’s John Hunter, and Sydney’s St George Hospitals in 2011-12. Since 2013 he has been working as a consultant surgeon at St George and Sutherland hospitals. He operates at the Sutherland Hospital, Kareena Private Hospital, St George Private Hospital and the Sydney Private Hospital. He is available for surgical consultations at our practice Upper GI Surgery, at St George Private Hospital.

Dr Jason Maani
BHB MBChB FRACS
Dr Maani is a fellow of the Royal Australasian College of Surgeons and continues his research pursuits through UNSW. He provides personal care for his patients, combined with the best of modern medicine.
Dr Maani is a fellow of the Royal Australasian College of Surgeons. Upon completing his undergraduate degree in medicine at the University of Auckland, Dr Maani settled in Australia and began his specialist training in General Surgery at the Royal Melbourne Hospitals and Peter MacCallum Cancer Centre in Victoria.
After qualifying as a general surgeon he commenced sub-specialist training in Upper Gastrointestinal surgery at Sir Charles Gairdner Hospital in Perth WA. Following this he pursued two years of training in Advanced Laparoscopic Upper GI and Bariatric Surgery as well as Research Fellowship, at St George Public & Private Hospitals in Sydney where he now practises as a consultant.
He is a member of ANZGOSA and OSSANZ and continues his research pursuits through UNSW. He keeps abreast with developments in the field of Minimally Invasive Upper GI surgery, attending conferences both in Australia and Internationally. He aims to provide unhurried personal care for his patients, combined with the best of modern medicine. He is available for surgical consultations at our practice Upper GI Surgery, at St George Private Hospital.

Dr Daniel Chan
MBBS MPH FRACS AFHEA
Dr Chan is a specialist Upper Gastrointestinal and Bariatric Surgeon, with expertise in interventional endoscopy/ ERCP. He is a consultant surgeon at St George Public and Private Hospitals. Fluent in English, Mandarin and Cantonese, Dr Chan offers multilingual consultations to better support his patients.
Sydney-born Dr Chan earned his Bachelor of Medicine and Bachelor of Surgery from the University of NSW in 2011. He trained at St George Hospital, completing his internship, residency, and surgical training before obtaining a Master of Public Health from the University of Queensland in 2017. In 2019 he achieved his FRACS in General Surgery through the Sydney Southern network.
Dr Chan pursued advanced post-fellowship subspecialty training both in Australia and internationally. He completed clinical fellowships at the Chinese University of Hong Kong, Prince of Wales Hospital (Hong Kong) and St George Hospital (Sydney). Selected for the AANZGOSA post-fellowship training program, he further specialised in Upper GI surgery at the Royal Brisbane and Women’s Hospital and Royal North Shore Hospital.
Passionate about research and medical education, Dr Chan has over 50 peer-reviewed publications in Upper GI surgery, Bariatric surgery, surgical oncology, and therapeutic endoscopy. In 2021, he earned an Associate Fellowship of the Higher Education Academy (AFHEA) through UNSW, where he lectures and supervises BSc (Medicine) Honours students.
Dr Chan serves in the Australian Defence Force as a Surgeon, providing medical assistance and surgical care in various environments. His service includes domestic and overseas deployments, including to the NSW Bushfires, Solomon Islands and the Middle East.
Bariatric Care Specialist

Dr Jennifer Matthei
BSc(med) MBBS FRACGP
Dr Jennifer Matthei is a highly skilled medical professional with 30 years of experience in practice. Dr Matthei obtained her medical degree from the University of New South Wales and graduated with honours in 1994. She completed her internship at St George Hospital and then completed her residency at Nepean Hospital and The Children’s Hospital in Westmead. Dr Matthei underwent her GP training in Elderslie, followed by Gilgandra and Dubbo, obtaining her FRACGP in 1998. The bulk of her career has been in General practice, before specialising in bariatric and obesity management in 2018.Â
Dr Matthei provides comprehensive medical obesity management and long-term post-bariatric surgical care working closely with the team of specialists at Upper GI Surgery. As an Accredited Bariatric Care Specialist with the Surgical Review Corporation (SRC), Dr Matthei reinforces her commitment to delivering excellent patient care. She also performs oesophageal manometry on both bariatric and non-bariatric patients. Â
She has completed specialised training with SCOPE Obesity, the Australian College of Nutritional and Environmental Medicine (ACNEM) and the Australian and New Zealand Metabolic Obesity Surgery Society (ANZMOSS). Currently, she is working towards a Fellowship with the Australian Society of Lifestyle Medicine (ASLM) and is an active member of the RACGP Obesity Special interest group.
