In 2000, Ewen Griffiths became qualified as a Consultant Surgeon and currently serves at the Harborne Hospital in Birmingham. He specializes in treating patients with Upper Gastrointestinal and General Surgical issues. Griffiths achieved Membership of the Royal College of Surgeons in 2004 and completed his higher surgical training in the North West of England, holding Specialist Registrar positions at Salford Royal Hospital and Royal Preston Upper Gastrointestinal Units. His Fellowship of the Royal College of Surgeons was obtained in 2010.

Griffiths' clinical interests encompass a range of areas including Hernia surgery (both open and laparoscopic), Gallbladder surgery, Anti-reflux surgery, hiatus hernia repair, Endoscopy (both diagnostic and therapeutic), and Gastric and esophageal cancer management and surgery.

He holds memberships in various professional organizations such as the Association of Upper GI Surgeons, Association of Laparoscopic Surgeons, GB&I West Midlands Surgical Society, and European Association of Endoscopic Surgeons.

Outside of his professional life, Griffiths is married with two growing boys. He enjoys cycling, hillwalking, fine dining, and keeping up with advancements in computer technology.

His expertise extends to various medical treatments and procedures including Balloon dilatation for Achalasia, Oesophageal stenting, Oesophageal dilatation, Feeding tube insertion/PEG, Laparoscopic (key-hole) Surgery, Linx System, Lipoma Removal, Open Hernia Repair, Pelvic Vein Embolization, Skin Lesion Treatments, Splenectomy, Achalasia Surgery, Acid Reflux Surgery, Endoscopy, Fundoplication, Gallbladder Removal (cholecystectomy), Gastroscopy, and Keyhole (Laparoscopic) Hernia Repair.

Griffiths commonly deals with conditions such as Achalasia, Oesophageal dysmotility, Reflux disease, Hiatus hernia, Stomach Cancer, Inguinal Hernia, Appendicitis, Gallstones, Hernia, and Femoral Hernia.