Dr Loder completed general surgical training at Sydney’s Royal North Shore Hospital before sub-specialising in colorectal surgery at St Mark’s Hospital London. He practices predominantly within this specialty, including colonoscopy, colorectal cancer, inflammatory bowel disease (Crohn’s disease and ulcerative colitis); anorectal complaints (haemorrhoids, fissure and fistula); and functional disorders of bowel function.

After more than 20 years as a consultant surgeon at Westmead Hospital, Dr Loder is now more active at  Lakeview Private Hospital.