Dr John Jorgensen is one of Australia’s most experienced bariatric and Upper GI surgeons. He has been in specialized surgical practice for more than two decades and is currently the Director of Bariatric Surgical Services at St George Private Hospital, Australia's highest volume bariatric hospital - public or private. Dr Jorgensen graduated from The University of New South Wales with honours, (MBBS) and then obtained his Fellowship to the Royal Australian College of Surgeons (FRACS).He then obtained a Master of Surgery, Research degree in Laparoscopic Surgery and further trained at the Pancreatic and Biliary Surgical Unit at The Royal Infirmary Glasgow, Scotland. Dr Jorgensen was instrumental in introducing laparoscopic (key-hole) gastric sleeve resection and laparoscopic gastric by-pass to Australia and St George Private Hospital has subsequently taught and mentored many Australian bariatric surgeons in these techniques.St George Private is Australia’s first internationally accredited Centre for Obesity Surgery Excellence as recognized by the Surgical Review Corporation - which accredits surgical centres of excellence around the world - and Dr Jorgensen has been recognized as a Master Surgeon by the SRC after review of his individual practice.As Head of Department, Dr Jorgensen chairs quarterly assurance meetings to ensure on-going high standards by the bariatric stream and is a regular media commentator on all things diet, Upper GI and bariatric.