· Research Fellow, Laboratory of Molecular Virology, Samsung Biomedical Research Institute(1997 - 2001)· Post-Doctoral Fellow, The Center for Functional Analysis of Human Genome, Samsung Biomedical Research Institute(2001 - 2002) · Post-Doctoral Fellow, Laboratory of Cancer Biology and Genetics, National Cancer Institute, NIH, USA (2002 - 2007)· Assistant Professor, Laboratory of Cancer Cell Biology, Lee Gil Ya Cancer and Diabetes Institute, Gachon University of Medicine and Science (2008-2011)
· Professor, Laboratory of Cancer Cell Biology, Lee Gil Ya Cancer and Diabetes
Institute, Gachon University School of Medicine (2018-Present)