Dr Barry Kelleher graduated from UCD in 1995 with Honours and completed Intern and SHO training in the Mater Hospital and Mayo Clinic, Rochester, Minnesota, USA. He completed the SpR training scheme in Gastroenterology from 1998 to 2003 that included awarding of an MD thesis and a fellowship in advanced endoscopy at the Academic Medical Centre in Amsterdam, The Netherlands. Dr Kelleher moved to Harvards' Beth Israel Deaconess Medical Centre, Boston, Massachusetts in 2003 completing advanced fellowships in Interventional Endoscopy and Hepatology before taking up a consultancy post there in 2005. He returned to Ireland in September 2006 and has worked as a Gastroenterologist and Hepatologist at the Mater Misericordiae University and Mater Private Hospitals since that time. His particular interest is Interventional Endoscopy, Colonoscopy and Hepatology.