Captain

2024-             Professor, School of Pharmacy, Sungkyunkwan University

2023-2024    Associate professor, School of Pharmacy, Sungkyunkwan University

2011-2023     Assistant professor to Professor, College of Pharmacy, Kyungpook National University, Korea

2017-2018     Visiting associate professor, Ben May Department for Cancer Research, The University of Chicago, USA

2009-2011     Postdoctoral Fellow,  Ben May Department for Cancer Research, The University of Chicago, USA

2007-2009     Postdoctoral Fellow,  Doping Control Center, Korea Institute Science and Technology (KIST) , Korea

since 2014      Member of board of directors, The Korean Society of Environmental Health and Toxicology

since 2018      Editorial Board, Mass Spectrometry Letters, The Korean Society for Mass Spectrometry

since 2020      Member of board of directors, The Korean Society of Toxicology 

2021-2023      Vice Director, BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit, Kyungpook National University, Korea

2019-2020      Vice Director, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Korea