Dr Kim is an adjunct assistant professor at the Department of Orthodontics, University of Illinois at Chicago. He is an active member of the Angle Society, Midwest Component. He is in private practice of orthodontics in Seoul, South Korea. He was a member of the national organizing / scientific committee, the 6th World Congress on Sleep Medicine 2015 by World Association of Sleep Medicine. He is currently the Vice President of the Korean Academy of Dental Sleep Medicine, Vice President of the Korean Society of Sleep Medicine and Chair of the dental committee, Korean Academy of Sleep Medicine.