2024.02 ~ Current Professor, Department of Chemistry, KAIST, Korea
2022.09 ~ 2024.02 Professor, Department of Chemistry, Yonsei University, Korea
2019.03 ~ 2022.08 Associate Professor, Department of Chemistry, Yonsei University, Korea
2018.02 ~ 2019.02 Visiting Scholar, SLAC National Accelator Laboratory, USA (Collaborator : Dr. Robert W. Schoenlein)
2017.03 ~ 2019.02 Professor, Department of Chemistry, Pusan National University, Korea
2012.01 ~ 2013.02 Visiting Scholar, Lawrence Berkeley National Laboratory, USA (Collaborator : Dr. Robert W. Schoenlein)
2011.03 ~ 2017.02 Associate Professor, Department of Chemistry, Pusan National University, Korea
2007.03 ~ 2011.02 Assistant Professor, Department of Chemistry, Pusan National University, Korea
2004.03 ~ 2007.02 Postdoctoral Scholar, Deparment of Chemistry, KAIST, Kore (Advisor : Prof. Hyotcherl Ihee)