·Nerve blocks for low back pain: understanding on the radiological approach and the spreading pattern of the contrast media. Aug 23, 2002. Pain Center, UCLA. Invited by F. Michael Ferrante, MD (Director)
·Kyphoplasty. 7th Biennial Congress Asian & Oceanic Society of Regional Anesthesia and Pain Medicine. 5-8 Nov. 2003, Bangkok, Thailand.
·Fifth Pain Summit (Pfizer Investment) Identifying and Managing Complex Regional Pain Syndrome 2009. 9. 25-27 Shanghai, China
·10th Annual Scientific Meeting of the Raffles Hospital. Drug therapy for Chronic Pain: Responsible Opioid Use. July 30, 2011. Shingapore
·Imaging Neuroinflammation and Neuropathic Pain Meeting. Altered Brain Functional Connectivity of Patients with CRPS: a fMRI Study. Oct. 13-15, 2011 Hyatt Regency Tamaya Resort & Spa, New Mexico, Albuquerque, NM
·Ultrasound-guided Pain Interventions. Joint Seminar between the Duke University Hospital Pain Center and the North Carolina University Pain Center. Mar. 11, 2012 Duke University Hospital, North Carolina, USA
·Hands-on Workshop for Ultrasound-guided Pain Interventions. Joint Seminar between the Duke University Hospital Pain Center and the North Carolina University Pain Center. Mar. 11, 2012 Duke University Hospital, North Carolina, USA
·Cadaver Workshop for Radiofrequency Thermocoagulation of Trigeminal Rootlets and Kyphoplasty. Joint Seminar between the Duke University Hospital Pain Center and the North Carolina University Pain Center. Mar. 11, 2012 Duke University Hospital, North Carolina, USA
·Lecture on 'Interventional Pain Management for Chronic Pain Patients'. Annual Scientific Meeting in Anaesthesiology 2012 Hong Kong. 23-25 November 2012 Hong Kong Convention and Exhibition Cenre
·Ultrasound Workshop-Sonoanatomy for Pain Procedures. Annual Scientific Meeting in Anaesthesiology 2012 Hong Kong. 23 November 2012 Hong Kong Convention and Exhibition Cenre
·Interventional Pain Management Workshop for Chronic Facial Pain Patients. Annual Scientific Meeting in Anaesthesiology 2012 Hong Kong. 23 November 2012, Alice Ho Miu Ling Nethersole Hospital (AHNH) (Live real patient demonstration)
·YES-Disc® procedures in cervical and lumbar areas. The 2nd Annual Meeting of Jiangsu Medical Association Pain branch (JMAP), The Century Grand Hotel Xuzhou, 25-26 Oct, 2013
·Japan Pain Society. 16-18 Mar, 2015.
·The 49th annual Meeting of JSPC: Notification of Abstract Status. Osaka, Japan. 23-25 Jul, 2015.
·JSPC 2016. Yokohama, Japan. 7-9 Jul, 2016.
·Advanced Interventional Management of Pain. New Delhi, India. 6-8 Apr, 2017.
·The 2nd International Conference on Spine Pain. Beijing, China. 12-16 Jul, 2017.
·2017.2.15-19 ASEAPS 2017 Proteomic analysis of brain proteins in a rat chronic Post Ischemia Pain model (CPIP model) 미얀마, 양곤
·2017.4.6-9 Advanced Interventional Management of Pain Percutaneous Procedures for Disc decompression and Discogenic Pain 인도, 뉴델리
·2017.5.18-21 EAPC 2017 The Korean version of CAGE-AID/Opioid: cultural adaptation, validation, and application to opioid-prescribed patients 스페인, 마드리드
·2017.8.26-30 The 22nd Gabor Racz Pain Conference and Workshop 헝가리 부다페스트
·2017.9.13-17 ESRA 2017 Ultrasound versus Fluoroscopy-guided Lumbar Sympathetic Ganglion Block: A Prospective, Randomized and Comparative Study 스위스 루가노
·2018.2.23-25 International Conference on Multidisciplinary Contemporary Research (ICMCR-2018) lumbar YESDISC: clinical effect at 6 months after procedure 말레이시아, 겐팅
·2018.5.9-12 9th World Congress of The World Institute of Pain(WIP) Regional Advisory Roundtable Meeting on Post-operative Acute Pain 아일랜드, 더블린
·2018.7. 7 Northeast Asia International Forum in Anesthesiology and perioperative medicine 중국, 랴오닝
·2018.6.18-22 Clinical Concerns in Anesthesia 미국, 오리건
·2019.3.1-2 “Nucleoplasty - Disc Decompression” workshop Invitation to the “Nucleoplasty - Disc Decompression” Symposium 1st - 2nd March 2019, Hanoi, Vietnam 베트남, 하노이
·2019.5.26-31 INS 14th World Congress
·2019.5.5-7 EFIC 2019
·PAIN Symposium 스페인, 발렌시아
·2019.10.25-27 남창 대학교 동통과 제1병원 건립 제20주년 기념 학술회의 기념행사 참석 중국, 장시성
·2019.12.13-16 2020년 제3회 국제척추통증 Symposium 개최 준비 업무관련 출장. Centara Grand Hotel, Centra World and Chulalongkorm University 태국, 방콕