2020.04~Present, Senior Researcher, Energy Catalyst Technology Group, Energy Process Research Institute (EPRI), Department of Energy and Environment, AIST, Japan. 2016.04~2020.03, Senior Researcher, Department of Energy and Environment, AIST, Japan. 2011.04~2016.03, Tenure-track Researcher, Department of Energy and Environment, AIST, Japan. 2011.02~2011.03, Postdoctoral fellow, Research Center of New Fuel and Vehicles, AIST, Japan. 2009.10~2011.01, Postdoctoral fellow, Department of Chemistry, National Taiwan University, Taiwan. 2009.10~2009.09, Infantry Lieutenant, Armed Forces Reserve Command, MND, Taiwan. 2008.07~2008.09, Postdoctoral fellow, Department of Chemistry, National Taiwan University, Taiwan.