1992-present, Professor, Dong-A University
1997-1998, Research Professor, Purdue University
1998-2001, Director, Dong-A University Research Farm
2000-present, Expert Advisor, Agricultural Technology Center, Busan
2000-present, Expert Advisor, Yeongnam Agricultural Research Institute, RDA
2001-2003, Vice Dean, College of Natural Resources and Life science, DAU
2004-present, Affiliated Researcher, National Institute Crop Science, RDA
2005-2006, Director, Center for Biotechnology
2008-2009, Dean, Student Affairs
2005-present, °´Á±³¼ö, Shenyang Pharmaceutical University, China |