– 2007~2011: Postdoc/Scientist II, National Renewable Energy Laboratory (NREL), USA
– 2011~2015: Senior Researcher, Korea Institute of Science and Technology (KIST)
– 2015~current: Assistant/Associate Professor, Department of Materials Science and Engineering, Seoul National University
– 2018~2021: RB (Nano/Materials/Semiconductor), National Research Foundation of Korea
– 2019-2023: Young Member (Engineering), Korean Academy of Science and Technology
– 2023~current: Special Advisory Board Member (Machine/Materials), Presidential Advisory Council on Science and Technology