Dr Yiannis Kallis

Dr Yiannis Kallis is a Consultant Hepatologist and Gastroenterologist at the Royal London Hospital and the Royal Free Hospital London, two of the UK's leading teaching hospitals.

His practice covers a broad range of gastro-intestinal diseases with a particular emphasis on liver disease and disorders of the pancreas and bile ducts.

Dr Kallis is a highly skilled diagnostic and therapeutic endoscopist, with a particular expertise in ERCP (endoscopy of the bile duct and pancreatic duct). He is Clinical Lead for Liver Diseases at the Royal London Hospital and runs the NE London liver transplant network.

Dr Kallis graduated from Cambridge University with distinction and undertook postgraduate specialty training across several leading London teaching hospitals. He was awarded a PhD in 2010 for his research into liver fibrosis and regeneration at Imperial College London and has published his work in high impact peer-reviewed journals.

Dr Kallis is currently an Honorary Clinical Senior Lecturer at Barts and the London School of Medicine and Dentistry, where he is a principal investigator on several multi centre clinical trials in treatments for advanced liver disease and for inflammatory disorders of bile ducts.

He is actively involved in teaching and helps to run Masters and Specialty Certificate Examination courses in gastroenterology.

He sits on the writing group for national guidelines in liver disease, is a specialist advisor to the National Institute of Health and Care Excellence (NICE), and serves on the British Society for Gastroenterology (BSG) liver committee.