Dr Tim O'Sullivan

Tim is a gastroenterologist and advanced endoscopist at the Royal Brisbane and Women’s Hospital. His core gastroenterology training was completed in Queensland followed by a two year fellowship at Westmead Hospital, Sydney. During this time he undertook advanced endoscopy training with a core focus on tissue resection including endoscopic mucosal resection (EMR), endoscopic submucosal dissection (ESD) as well as third space endoscopy (perioral endoscopic myotomy).

Tim is passionate about research and completed his PhD at the University of Sydney in 2025 in colorectal endoscopic resection.