George is a member of the following professional societies in both Australia and Internationally:

Royal Australasian College of Surgeons (RACS)     

General Surgeons Australia (GSA)

Australian and New Zealand Hepato-Pancreatico Biliary Association (ANZHPBA)

Australian and New Zealand Gastro-Oesophageal association (ANZGOSA)

Obesity Surgery Society of Australia & New Zealand (OSSANZ)

International Hepato-pancreaticobiliary Association – (IHPBA)

International federation for the surgery of Obesity & Metabolic Disorders (IFSO)

Association of Upper Gastrointestinal Surgeons of Great Britain and Ireland (AUGIS)

British Obesity and Metabolic Surgery Society (BOMSS)

ERAS Society

European Society of Gastrointestinal Endoscopy (ESGE)

Conjoint Committee for the Recognition of Training in Gastrointestinal Endoscopy and the

Gastroenterological Society of Australia (GESA) for:

Gastroscopy

Colonoscopy

Endoscopic Retrograde Cholangiopancreatography (ERCP)