Esperanza Grace R. Santi,MD is a consultant gastroenterologist at the De La Salle University Medical Center and Manila Doctors Hospital. She had her advanced therapeutic endoscopy training at University of Malaya Medical Center in Kuala Lumpur and Showa University Northern Yokohama Hospital, Japan. She has authored scientific works focusing on Per Oral Endoscopic Myotomy (POEM), image enhanced endoscopy and early oesophageal cancer.