Board-Certified General Surgeon
Lifetime Member, Korean Surgical Society
Executive Director, Korean Society for Vascular Surgery
Secretary General, Korean Society for Vascular Surgery
Auditor, Korean Society for Vascular Surgery
Founder, Korean Society of Phlebology
Adjunct Professor, Samsung Medical Center, Sungkyunkwan University
Director, Ium Hazi Vein Clinic
'Endovenous Varicose Vein Treatment' (2008) — Co-author
'Latest Techniques in Varicose Vein Treatment' (2014) — Co-author
| Academic & Professional Activities
2007 – Korean Society for Vascular Surgery (Autumn Conference)
Presenter: “Distribution of Varicose Veins in Koreans”
2009 – Presenter, Korean Society of Phlebology
2010 – Korean Society of Phlebology
Presenter: “Latest Surgical Techniques for Varicose Veins”
2012 – Invited Speaker, Korean Society for Vascular Surgery
Seminar with Dr. James Antony Lawson
2013 – World Congress of Vascular Surgery, Boston, USA
Presenter: “Laser Treatment for Varicose Veins”
2014 – Asian Venous Forum, Singapore (Participant)
Tutor, Hands-on Course in Vascular Ultrasound (Spring Conference, Korean Society of Surgical Ultrasound)
2015 – Special Committee Member, World Congress of Vascular Surgery (Seoul)
2018 – World Congress of Vascular Surgery, Australia (Participant)
2019 – Workshop with Dr. Masayuki Hirokawa, MD
Ochanomizu Vascular & Vein Clinic, Tokyo, Japan
2020 – Korean Society for Vascular Surgery (Autumn Conference)
Presenter: “Outcomes of High-Frequency Ablation”
2020–2021 – Secretary General, Korean Society for Vascular Surgery
2021 – Korean Society for Vascular Surgery (Autumn Conference)
Presenter: “Indications for Varicose Vein Surgery”
2022 – Auditor, Korean Society for Vascular Surgery
2023 – World Congress of Vascular Surgery, Miami, USA (Participant)