- Chief dermatologist at Armed Forces Dajeon Hospital - Full member of the Association of Korean Dermatologists - Full member of the Korean Hair Research Society - Full member of the Korean Acne and Rosacea Society - Full member of the Korean Society of Medical Laser Medicine and Surgery - Full member of the Korean Society for Dermatologic Surgery - Full member of the Korean Atopic Dermatitis Association - Full member of the Korean Association of Stemcell Therapy - Graduated from Seoul Science High School - Graduated first class honor from Yonsei University, school of medicine - Completed Internship and Residency at Severance Hospital - Trained in Ludwig Maximilian University Department of Dermatology

- Full member of the Korean Dermatological Association - Full member of the Association of Korean Dermatologists - Full member of the Korean Hair Research Society - Full member of the Korean Acne and Rosacea Society - Full member of the Korean Atopic Dermatitis Association - Full member of the Korean Association of Stemcell Therapy - Full member of the Korean Society for Dermatologic Surgery - Director of research at Research Association for Best Stem Cell - Graduated from Yonsei University - Completed Intership and Residency at Severance Hospital

- Chief dermatologist at the 2nd Marine Division - Full member of the Korean Dermatological Association - Full member of the Association of Korean Dermatologists - Full member of the Korean Hair Research Society - Full member of the Korean Society of Hair Restoration Surgery - Full member of the Korean Acne and Rosacea Society - Full member of the Korean Atopic Dermatitis Association - Full member of the Korean Association of Stemcell Therapy - Full member of the Korean Association of Stem cell & Tissue Regeneration - Full member of the Korean Society for Lipoplastic Surgery and Adipose-derived Stem Cell - Full member of the Korean Society for Dermatologic Surgery - Director of research at Research Association for Best Stem Cell - Certificated residency course in Kyung Hee University Medical Center - Graduated from Kyung Hee University, school of medicine