26.03~ Present  Assistant Professor, Kumoh National Institute of Technology

24.03~ 26.02      Assistant Professor, Mokpo National University 

22.10~ 24.02      Research professor, Pusan National University

21.03 ~ 22.09     Post-doc researcher, Pusan National University

16.08 ~ 17.08     Visiting researcher (EM2C lab, CNRS-CentraleSupelec)