– 1989-1995 The Seoul National University of Korea, College of Medicine, Korea, (M.D.)
– 2001-2003 The Sungkyunkwan University of Korea, College of Medicine, Korea, (M.S.)
– 2003-2009 The Sungkyunkwan University of Korea, College of Medicine, Korea, (Ph.D.)
Postgraduate Training:
–	1995-1996 Internship, Seoul National University Hospital, Seoul, Korea
–	2000-2004 Clinical Resident, Department of Otolaryngology-HNS, Samsung Medical Center, Gangnamgu, Seoul, Korea.
Career:
–	2004-2005 Clinical Fellow, Department of Otolaryngology-HNS, Samsung Medical Center, The Kangnamgu, Seoul, Korea.
–	2005-2006 Instructor, Department of Otolaryngology-HNS, Soonchunhyang Cheonan Hospital, The Soonchunhyang University, Cheonan, Korea.
–	2006-2011 Assistant Professor, Department of Otolaryngology-HNS, Soonchunhyang Cheonan Hospital, The Soonchunhyang University, Cheonan, Korea.
–	2011-2016 Associate Professor, Department of Otolaryngology-HNS, Soonchunhyang Cheonan Hospital, The Soonchunhyang University, Cheonan, Korea.
–	2012 Research associator, Department of Otolaryngology-HNS, UCSF.
–	2016- 2022 Full Professor, Department of Otolaryngology-HNS, Soonchunhyang      Cheoan Hospital, The Soonchunhyang University, Cheoan, Korea.
–	2022.03- Full Professor, Department of Otolaryngology-HNS, Soonchunhyang Seoul Hospital, The Soonchunhyang University, Seoul, Korea. 
Certification and Licensure.
Licensure of Medical Doctor in Korea, March, 1995.
Board Certification by Korean Board of Otolaryngology-HNS, March, 2004.