Dr. Frederick Dy is a gastroenterologist working at the University of Santo Tomas Hospital in Manila, Philippines. He has special interest in pancreaticobiliary diseases. He is doing ERCP and EUS. He is currently an assistant professor at the Department of Medicine, Faculty of Medicine and Surgery of the University of Santo Tomas, Manila, Philippines. He was a past president of the Philippine Society of Gastroenterology, Presently, he holds the following positions; Section chief and the Head of the Endoscopy Unit, University of Santo Tomas Hospital and Section Chief of GI Oncology of the University of Santo Tomas Hospital.