Is an orthodontist, a diplomate of American Board of Orthodontics, in private practice for 30 years. She is teaching at Yonsei University and Korea University medical School as an attending professor, and is a board member of the Korean Association of Craniofacial Plastic Surgeons.
She is a chairperson of the Oral Health Policy Committee of the Korean Academy of Geriatric Dentistry, and a past vice president of Korean Association of Dentists.