Career After Post-Secondary Education
• 2022-Current : Director of the SNUIACUC (Seoul National University Institutional Animal Care and Use Committee)
• 2021-Current : 5th National Research Ethics Consulting Committee, the Ministry of Education, Korea
• 2020-2022 : Secretary General of Council of Asian Science Editors
• 2020-Current : Co Editor-in-Cheif of the Animal Bioscience
• 2017-Current : Chair of Committee on Publication Ethics, Korean Council of Science Editors
• 2012-2014 : The president, Korean Society for Dendritic Cell
• 2006-Current : Seoul National University as assistant/associate/full protessor.
• 2004-2006 : International Vaccine Institute as a Research Scientist charging Cellular Immunology Section.
• 2002-2004 : Department of Medical Microbiology and Immunology, Gothenburg University, Gothenburg, Sweden as a visiting research scientist (sent by International Vaccine Institute).
• 1999-2001 : Biotherapy Section, Laboratory of Molecular Biology, National Cancer Institute, NIH, Bethesda, Maryland, USA as a postdoctoral fellow.
• 1997-1999 : USDA, Beltsville, Maryland, USA as a postdoctoral fellow.