Esophageal and foregut disease is a rapidly-developing medical area marked by significant advances in diagnosis, and treatment of new diseases. Dr. Alejandro Nieponice (MD, PhD) is currently the Chief of The Esophageal Unit at Hospital Universitario Fundación Favaloro in Buenos Aires, Argentina. He is also a faculty member of the McGowan Institute for Regenerative Medicine and an Adjunct Research Assistant Professor of the Department of Surgery at the University of Pittsburgh. Dr. Nieponice has pioneered the treatment of esophageal reflux with electrical stimulation of the lower esophageal sphincter becoming the first surgeon worldwide to treat successfully a patient with reflux after a sleeve gastrectomy. He has also developed a program of interventional endoscopy for the treatment of early esophageal cancer and achalasia.