– Internship, Kyung Hee University Dental Hospital (2008-2009)
– Residency in Conservative Dentistry, Kyung Hee University Dental Hospital (2009-2012)
– Research Professor, Dental Research Institute, School of Dentistry, Seoul National University (2016-2018)
– Assistant Professor, Dept. of Dentistry, School of Medicine, CHA University (2018-2020)
– Assistant Professor, Dept. of Oral Microbiology and Immunology, School of Dentistry, Seoul National University (2020-present)