2003 Collage of medicine, Soonchunhyang university 2004-2008 Resident, Anesthesiology and pain medicine, Soonchunhyang university hospital 2011-2012 Fellowship, Anesthesiology and pain medicine, Seoul St. Mary’s hospital, Catholic university of Korea, Collage of Medicine 2013-2018 Clinical assistant pf, Anesthesiology and pain medicine, Daejeon St. Mary’s hospital, Catholic university of Korea, Collage of Medicine 2018-2019 Assistant pf, Anesthesiology and pain medicine, Daejeon St. Mary’s hospital, Catholic university of Korea, Collage of Medicine 2020- Associate pf, Anesthesiology and pain medicine, Daejeon St. Mary’s hospital, Catholic university of Korea, Collage of Medicine