Education Doctor of Medicine : University of Ulsan Master of Medicine : University of Ulsan Bachelor of Medicine : Seoul National University MajorProfessionalExperiences Professor in Otorhinolaryngology Head and Neck Surgery, Universuty of Ulsan College of Medicine, Asan Medical Center Associate Professor in Otorhinolaryngology Head and Neck Surgery, Universuty of Ulsan College of Medicine, Asan Medical Center Fellowship in Otorhinolaryngology Head and Neck Surgery, Massachusetts Eye and Ear Infirmary, Harvard University, USA Assistant Professor in Otorhinolaryngology Head and Neck Surgery, Gangneng Asan Meical Center Fellowship in Otorhinolaryngology Head and Neck Surgery, Asan Medical Center Residency in Otorhinolaryngology Head and Neck Surgery, Asan Medical Center Internship in Asan Medical Center