
Current positions
Since 2009 Professor, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine
Since 2021 General Director, Samsung Comprehensive Cancer Center
Since 2022 Vice president, Korean Medical Association
Since 2024 President, International Society of University Colorectal Surgeons (ISUCRS)
Since 2024 President, Korean Surgical Society
Since 2025 President, Korean Society of Coloproctology
Diplomas
2000 Ph D Degree- PhD of Medicine, Seoul National University
1993 Korean Board of General Surgery
1991 Master Degree - Master of Medicine, Seoul National University
1988 Medical Degree- Doctor of Medicine, Seoul National University
2013– 2014 Director, Strategy and Planning, Samsung Medical Center
2015 – 2017 Director, Health Promotion Center, Samsung Medical Center
2013 – 2016 President, Korean Surgical Skills Society
2017 – 2019 Chairman of Board, Korean Society of Colorectal Surgery
2020– 2022 Chairman of Board, Korean Society of Surgical Oncology
2020– 2022 Chairman of Board, Korean Surgical Society
2021– 2022 Chief, Department of Surgery, Samsung Medical Center, Sungkyunkwan University, School
of Medicine
2022– 2024 Chairman of Board, Korean Public Tissue Bank
Award and Publications
2007 Best teacher of the year 2007, Samsung Medical Center
2008 Best poster award, 16th EAES congress, Stockholm, Swede n
2009 Best poster award, 17th EAES congress, Prague, Czech republic
2009 Brest poster award, 3rd SMITcongress, Sinaia, Romania
2006 Mastery of Endoscopic and Laparoscopic Surgery, 2nd Ed. Chap.44
2010 Korean Textbook of Surgery, 1st Ed. Chap.11
2016 Commendation, Ministry of Health and Welfare
2017 Commendation, Prime Minister of Korea
2025 Order of Service Merit, Government of Korea