|Colin Rees is Professor of GI Endoscopy and chairs UK and European Endoscopy Research. His area of expertise is colonoscopy and he has particular interests in endoscopy quality, improving detection rates and optical diagnosis. Much of his research is undertaken in the bowel cancer screening programme and he has played a key role in the roll out, delivery and evaluation of the English FOBt and Bowelscope screening programmes. Colin founded and chairs the Northern Region Endoscopy Group - a network of 17 endoscopy units delivering endoscopy research and audit. Colin also has an interest in measuring and improving patient experience of endoscopy and he chairs the bowel cancer screening programme patient experience committee. He is lead author of UK colonoscopy standards and BSG and ESGE position statements on patient experience of GI Endoscopy.