Jim Tiernan is Chair of the ACPGBI Research and Audit Committee. He is a Consultant Colorectal Surgeon at the John Goligher Unit in Leeds and Honorary Senior Lecturer in Surgery at the University of Leeds.

He undertook his surgical training throughout Yorkshire, during which he completed a PhD in nanobiotechnology, followed by a fellowship at the Cleveland Clinic, Ohio, USA.  His clinical interests include advanced/recurrent colorectal cancer and complex inflammatory bowel disease. He is also the NIHR CRN specialty lead for surgery in Yorkshire & Humber.