Certified Specialist, Yeungnam University College of Medicine
Chief, Bogwang Hospital
Chief, Neulyeolin St. Mary’s Hospital
Director, Ulsan Changjo Dermatology Clinic
Director, Gumi CNK Dermatology Clinic
Regular Member, Korean Society for Aesthetic and Laser Medicine
Regular Member, Korean Society of Aesthetic and Obesity Dermatology
Former President, Korean Tattoo Association
Vice President, Daegu Medical Association