• Society Rule Committee
• Finance Committee
• Election Administration Committee
• Journal Editing Committee
• Public Affairs Committee
• International Committee
• Health Insurance-based Healthcare Investigation Committee
• Ethics Committee
• Future Vision Committee
• Comprehensive Registry Committee
• Committee for Board Certification
• Committee for Board Certified Esophagologist
• Committee for Board Certified Esophageal Surgeon
• Committee for Authorized Institute for Board Certified Esophageal Surgeon
• Committee for Curriculum for Board Certified Esophageal Surgeon
• Education Committee
• Program Committee
• Committee for Guidelines for Clinical and Pathologic Studies
• Pathology Committee
• Endoscopy Committee
• Committee for Clinical Practice Guideline of Esophageal cancer
• Committee for Guideline Review
• Terminology Committee
• GERD Working Committee
• Research Promotion Committee
• General Affairs Committee
• Medical Safety Committee
• Committee for esophageal ESD complications
• Committee for evaluating magnifying endoscopy diagnostic classification in superficial esophageal squamous cell carcinoma
• Committee for evaluating magnifying endoscopy diagnostic classification in superficial Barrett's esophageal adenocarcinoma
• Awareness Working Group on Alcohol and Esophageal Cancer