• Graduated from the school of medicine, the Catholic Univ. of Korea
• M.D. in Otolaryngology - head & neck surgery Dept., the Catholic Univ. of Korea
• Clinical Instructor, Otolaryngology - head & neck surgery, the Catholic Univ. of Korea 

• - 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