Career
• Internship, Mediplex Sejong Hospital
• Residency in Internal Medicine, Mediplex Sejong Hospital
• Clinical Fellowship in Gastroenterology, Seoul Metropolitan Government – Seoul National University Boramae Medical Center
• Clinical Assistant Professor, Comprehensive Health Screening Center, SMG-SNU Boramae Medical Center

Academic Activities and Training
• Lifetime Member, Korean Association of Internal Medicine (KAIM)
• Lifetime Member, Korean Society of Gastroenterology (KSG)
• Lifetime Member, Korean Society of Gastrointestinal Endoscopy (KSGE)
• Lifetime Member, Korean College of Helicobacter and Upper Gastrointestinal Research
• Lifetime Member, Korean Society of Gastrointestinal Motility (KSGM)
• Lifetime Member, Korean Association for the Study of Intestinal Diseases (KASID)
• Lifetime Member, Korean Association for the Study of the Liver (KASL)
• Lifetime Member, Korean Society for the Study of Obesity (KSSO)
• Lifetime Member, Korean Society of Clinical Ultrasound (KSCU)