- Graduated Medical school at Catholic University
- Eye specialist in Catholic medical school Gangnam Saint Mary’s hospital (the present Seoul Saint Mary’s hospital)
- Full membership of the present KEEDS
- Researcher of pathology in Catholic medical school
- Full membership of the present KSCRS
- Full membership of the present ASCRS
- Full membership of the present ESCRS
- Full membership of the present ARVO in USA
- The present Adjunct Professor of Catholic medical school
- The director of Gangnam bright Saint Mary’s Ophthalmology
- - Specialized in Oral & Maxillofacial Surgery
- - Ph.D in Implantalogy, College of Medicine, Korea University
- - Served as an adjunct professor, College of Medicine, Korea University
- - Served as a full time dentist, Wilshire Park Dental Institute in California
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