학술활동
·The Korean Medical Association (Ex-Committee member of the Evaluation of Permanent Impairment; Ex-Committee member of the Standardization of the Medical Treatment)
·The Korean Society of Anesthesiologists (Examination Committee, Korean Board of Anesthesiology)
·Vice president, The Korean Pain Research Society
·Past-president, The Korean Pain Society (www.painfree.or.kr/eng)
·The Korean Association for Study of Spinal Pain (Past-president)
·Founder & Past-president, The International Spinal Pain Society (www.spinemeeting.org)
·Past-president, The Korean Spinal Pain Society (www.spinalpain.or.kr)
·Past-president, The Korean Society of Thermology (www.thermology.or.kr)
·The 12th International Pain Clinic Congress of the World Society of Pain Clinicians 2008 (Secretary General)
·The World Congress of Minimally Invasive Spine Surgery & Techniques: WCMISST (Committee Member)
·The World Society of Pain Clinicians (Member, Secretary General of 13th symposium)
·The World Institute of Pain (Committee member)
·Editorial Board of the Pain Clinic Journal
·Ex-Editor-in-Chief of the International Journal of Pain
·National Academy of Medicine of Korea (Member)