Justin maintains an active research programme, particularly in relation to the outcomes of surgery for colorectal cancer, inflammatory bowel disease and minimally invasive haemorrhoid treatments. He continues to audit his own work, presenting at national and international meetings, and he has contributed to the writing of national and international guidelines for the management of colorectal cancer, IBD, emergency surgery and appendicitis.
In addition, he is the author of over 200 publications in peer-review journals, is the Co-Editor of two surgical textbooks and he has written over 20 book chapters. He is an Associate Editor for the journal Digestive Surgery and is often invited to lecture both in the UK and abroad.
His research in bowel cancer screening culminated in the award of a Master of Surgery higher degree from the University of Cambridge, as well as several prestigious research prizes (Patey Prize and John of Arderne Medal) and publications (including in the Lancet and Nature Reviews Cancer).