Dr. Ian Jenkins

• Mr. John [Ian] T Jenkins is Chair of Surgery and Consultant Surgeon at St. Mark’s, the National Bowel Hospital.
• He holds honorary academic positions at Imperial College London and the University of Glasgow Institute of Cancer Sciences.
• He is internationally recognised for pioneering treatment of complex bowel cancers.
• His surgical expertise spans minimally and maximally invasive procedures for colon, rectal, and anal cancers.
• He manages advanced, recurrent, and inflammatory bowel disease-related colorectal cancers.
• He treats complex pelvic malignancies, severe endometriosis, and rare pelvic tumors such as retrorectal tumors.
• He introduced high-complexity exenteration, pelvic reconstruction, HIPEC, and IORT to surgical practice in London.
• His clinical focus is on enhancing patient recovery after major colorectal and pelvic surgeries.
• He is a prolific academic, with extensive publications and international presentations in colorectal disease.
• He actively participates in global research collaborations and clinical trials in cancer surgery and recovery.
• He trains surgeons worldwide and performs live demonstration and outreach surgeries internationally.
• He leads the BiCyCLE Research Group, studying body composition and immunity in colorectal cancer.
• He is Surgeon to the Royal Household.
• His awards include the ASCRS International Fellowship and the Outstanding Contribution Award from the Independent Healthcare Awards.

Conditions treated by Dr. Ian Jenkins

• Colon cancer
• Rectal cancer
• Anal cancer
• Advanced colorectal cancer
• Recurrent colorectal cancer
• Inflammatory bowel disease (IBD)-associated colorectal cancer
• Locally advanced pelvic cancers
• Recurrent pelvic malignancies
• Complex multi-organ pelvic cancers
• Peritoneal surface malignancies (requiring HIPEC)
• Retrorectal tumors (e.g., tailgut cysts, chordomas)
• Sacral and presacral tumors
• Pelvic sarcomas
• Neuroendocrine tumors in the pelvis
• Severe endometriosis involving the bowel or pelvic structures
• Complex colorectal surgical complications
• Radiation-induced pelvic injury and fibrosis
• Malignant bowel obstruction or perforation
• Complex bowel fistulas and strictures
• Re-operative colorectal and pelvic surgery cases

Area of Interest

• General Surgeries
• Colorectal Surgeries

Qualification

• MBChB in Medicine, University of Glasgow (1990–1997)
• Clinical Research Fellow, University of Glasgow (2000–2002)

Work Experiences

• Specialist Registrar in General Surgery, West of Scotland Deanery (Oct 2002 – Sep 2007)
• Clinical Research Fellow, University of Glasgow (2000 – 2002)
• Intercalated B.Sc Student, Western Infirmary Pathology, Glasgow (1992 – 1994)