2020 ~ CurrentAdjunt professor, Department of Bio-AI convergence, Chungnam National University
2013 ~ CurrentProfessor, Department of Pharmacy/Bio-AI convergence, Chungnam National University
2020 ~ 2021Visiting scholar, Department of Pharmacy, USCF, US
2012 ~ 2013Post-doctoral fellow, Pharmacometrics group, Uppsala University, Sweden
2008 ~ 2012Senior researcher, DMPK, JW pharmaceutical, Seoul