Dr. Martin Buckley qualified from University College Cork (UCC) in 1989 and, after an internship at Mercy University Hospital (MUH), did his medical Senior House Officer (SHO) training in Dublin. He worked as a gastroenterology registrar in a number of Dublin hospitals and was Lecturer in Medicine at Trinity College Dublin. He did a Fellowship in Therapeutic Endoscopy in Nice, France before being appointed Consultant Gastroenterologist at Tallaght Hospital, Trinity College Dublin in 1998. He was appointed Consultant Gastroenterologist / Lecturer in Clinical Medicine at MUH, Cork in 2004.

Dr. Buckley has served as the Irish Society of Gastroenterology representative to the European Union of Medical Specialists (2000-2002), Irish Society of Gastroenterology representative to the Irish Committee on Higher Medical Training (2000-2002), government-appointed medical representative on the Irish National Nutrition Guidelines Committee.  He was appointed as a national Gastroenterology representative on the National Cancer Control Program Advisory Group on Colon Cancer (May 2013) and a national Gastroenterology representative on the National Cancer Control Program Advisory Group on Pancreatic Cancer (August 2013).

Dr. Buckley is the author of over 50 peer-reviewed articles and has written over 20 book chapters. In 2013, he was appointed to the American Gastroenterology Association Academy of Educators; and in 2014 was awarded a Fellowship of the American Gastroenterology Association and a Fellowship of the American College of Physicians.

His main interests are diagnostic and therapeutic Endoscopy, quality of care for patients with GI disease, inflammatory bowel disease, functional GI disorders, GI physiology, and the detection and endoscopic treatment of premalignant GI diseases.