Prof. Ewen Griffiths is a Consultant General and Upper Gastrointestinal Surgeon at Queen Elizabeth Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK, a post he has held since September 2012. His clinical practice spans oesophageal and gastric cancer surgery, anti-reflux procedures, laparoscopic hiatal hernia repair, achalasia surgery, gallbladder disease, abdominal hernia repair, and emergency general surgery.

Prof. Griffiths qualified MB ChB from the University of Dundee, Scotland, in 2000, achieved Membership of the Royal College of Surgeons, Glasgow, Scotland, in 2004, and was awarded his MD by the University of Manchester, UK, for research into hypoxia-associated factors in oesophagogastric cancer. He obtained his FRCS in 2010 and completed his CCT in 2012. The University of Birmingham, Birmingham, UK, conferred an Honorary Professorship upon him in 2023. His awards include the Master Surgeon Achalasia Essay Prize, the ASGBI Audio-Visual Prize, and the Ethicon and Kenneth Bloor Travelling Fellowships.

Prof. Griffiths has published over 100 peer-reviewed articles and led two landmark national studies: the CholeS Study on UK and Irish cholecystectomy outcomes, and the Oesophagogastric Anastomosis Audit (OGGA), both of which have shaped national surgical guidelines. He completed an advanced fellowship at the Royal Adelaide Hospital, Adelaide, Australia (2011–2012), training in laparoscopic anti-reflux surgery, giant hiatal hernia repair, upper GI cancer surgery, and bariatric surgery. He supervises postgraduate researchers at the University of Birmingham, Birmingham, UK, and mentors surgical trainees at the regional and national level.