Iveson, Dr T J

Dr Tim IvesonBSc, MB BS, MD, FRCP


Medical oncology


Gastrointestinal cancers (oesophagus, stomach, pancreas, biliary tract and colorectal) and cancer of unknown primary

Training and education

  • MB BS (undergraduate medical degree) - St Bartholomew's Hospital medical school, 1984
  • Postgraduate medical oncology training - Royal Marsden Hospital
  • MD - University of London, 1996
  • FRCP (fellow of the Royal College of Physicians) - 2000


Dr Iveson has worked for the Trust since November 1995. 

He has wide experience in the chemotherapy treatment of all gastrointestinal cancers. 

Key achievements

  • Lead cancer clinician at University Hospital Southampton since 2015
  • Chief medical editor for Macmillan since 2012
  • Member of Macmillan's clinical advisory board
  • Member of Bowel Cancer UK's medical advisory board


Dr Iveson is active in clinical trials investigating the chemotherapy treatment of gastrointestinal cancers, and has widely published the results of these trials in peer-reviewed journals. He's also presented these results at national and international meetings.

Dr Iveson is the chief investigator of the SCOT study investigating the duration of adjuvant chemotherapy treatment (treatment given after the initial surgery to lower the risk of the cancer returning) for colorectal cancer. He's also a member of the IDEA (International Duration Evaluation of Adjuvant Chemotherapy) steering committee.