I graduated from Seoul National Univeraity and trained at the Seoul National Univ hospital. My current position is the professor and department chair of the department of Otolaryngology, Asan Medical Center, University of Ulsan, Seoul, Korea.

My main clinical activity is rhinologic surgery, especially rhinoplasty. I am one of world-renowned rhinoplasty surgeon in the field of Asian rhinoplasty. I have published many papers on rhinoplasty, and am an author of widely read text book, Rhinoplasty and Septoplasty. I am also interested in basic science in rhinology. I published many papers on the role of rhinovirus on the pathogenesis of sinusitis. I have served as the past president of the KAFPRS and currently serving as the president of PAAFPRS. I am working as editorial board member of Facial Plastic Surgery and Aesthetic Medicine, as well as Facial Plastic Surgery.