"Dr. Ghias Un Nabi Tayyab is in teaching, training, and practice of medicine and gastroenterology and liver diseases since 1994 and has gained vast experience. He has been trained at various centers of significance in Pakistan, the UK, and the USA and is a Fellow of the College of Physicians & Surgeons, Pakistan, Royal College of Physicians, Edinburgh, a fellow of the American Gastroenterology Association, and a member of the American College of Gastroenterology. He has been a leader in innovative endoscopic procedures and has special expertise in ERCP, EUS guided interventions, Post liver transplant biliary complications, and POEM in Pakistan. He has a very high patient satisfaction rate and is very compassionate towards his patients. His diagnostic workup is proficient and complete."