Dr. Supakij Khomvilai graduated from Faculty of Medicine, Chulalongkorn University in 2000. He got Colorectal Surgery certification in 2009. He is a pioneer in advanced diagnostic and therapeutic procedure in colonoscopy ( EMR, ESD and NBI application ) in Thailand. Currently, he is a chief of Surgical Endoscopy Colorectal Division King Chulalongkorn Memorial Hospital.