Department of conservative dentistry / Professor
Yonsei University, Republic of Korea
1997-1998 Lecturer, Department of Conservative Dentistry, Yonsei University, Seoul, Korea
1998-2000 Full time Lecturer, Department of Conservative Dentistry, Yonsei University, Seoul, Korea
2000-2005 Assistant Professor, Department of Conservative Dentistry, Yonsei University, Seoul, Korea
2005-2010 Associate Professor, Department of Conservative Dentistry, Yonsei University, Seoul, Korea
2010-Present, Professor, Department of Conservative Dentistry, Yonsei University, Seoul, Korea
2002-2004 University of Florida Visiting Professor
2009-2010 University of Florida Visiting Professor