Dr. Seiichiro Abe M.D., Ph.D. graduated from Sapporo Medical University in 2002. He completed his short-term and chief residency training at Endoscopy Division, National Cancer Center Tokyo, Japan. He is now working as an attending endoscopist there. Dr. Abe specializes in the endoscopic diagnosis of early gastrointestinal cancer in addition to advanced endoscopic therapy including endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD) for esophageal, gastric and colorectal cancers. His role at National Cancer Centre involves managing patients both in the outpatient and in-patient setting in addition to being an attending doctor in the endoscopy center performing many complex EMR/ ESD procedures. Dr. Abe is an international educator in advanced endoscopy. In addition to training Japanese endoscopy trainees, he also teaches advanced endoscopic techniques to overseas endoscopists through international hands-on training and live demonstration. Furthermore, he is a member of the international editorial board in Endoscopy and Gastrointestinal Endoscopy performing many peer reviews. He contributed to scientific journals and congresses and received many international awards such as the championship of the World Cup of Endoscopy in DDW2017, TDDW-JDDW-KDDW Rising star award in TDDW2019, and many best reviewer awards in Gastrointestinal Endoscopy, VideoGIE, Endoscopy, Digestive Endoscopy, and Digestion.