Geoff is a Melbourne Upper Gastrointestinal Surgeon. He obtained his medical degree from Monash University and his Australian qualifications in Surgery in 2007. He then undertook two sub-specialty clinical fellowships in world-leading surgical units in the United States, first in laparoscopy and advanced gastrointestinal surgery at the University of North Carolina, and then in oesophageal surgery at the University of Southern California. As a faculty member of both these universities, he provided advanced management of upper gastrointestinal disease to his patients with an emphasis on minimally-invasive surgery. 

Geoff works in both the private and public hospital systems, operating at Cabrini Hospital and Knox Private Hospital and at Eastern Health. Geoff is director of the MUGISG oesophageal physiology laboratory performing pH and impedance studies and high-resolution oesophageal manometry.