Professional experience:

• Professor of Dept of Medical College, Korea University
• Professor of Severe Obese Surgery Center, Cleveland Clinic, Florida, U.S.A
• Clinical Specialist of Upper Gastrointestinal Surgery Dept of Medical College Yokohama City University, Japan
• Professor of Medical Colleges in Yokohama City University, Cleveland Clinic, and Korea University
• Presenter of Topical Dissertation at 28th American Society for Metabolic and Bariatric Surgery(ASMBS)
• Executive Director of Korea Research Society for Bariatric Surgery
• Performed more than 1000 bariatric surgery for local and international patients.

Memberships:

• American Society for Metabolic and Bariatric Surgery (ASMBS)
• Lifelong member of Korea Society for the study of Obesity
• Member of the Korean Surgical Society
• Korean Laparoendoscopic Gastrointestinal Surgery Study Group (KLASS)

Awards:

• Excellence Award for Academic Research of 36th Korean Society for the study of Obesity

Publications:

• Severe Obese affiliate Textbook ”Laparoscope Operation”
• Severe Gastric Banding Affiliate Book ”Severe Obese, Gastric Banding is the Answer”

Medical Director of Seoul 365mc Bariatric Surgery Center