Former Team Leader / Research Group Leader / Head of Environmental Business Unit, KEPCO Engineering & Construction (KEPCO E&C)
- 1989.06.12 ~ 2004.10.06 Team Leader of Materials Research: Material selection evaluation and equipment damage analysis
- 2004.10.07 ~ 2007.11.02 Research Group Leader: Environmental and energy research
- 2007.11.03 ~ 2014.12.28 Head of Environmental Business Unit: Overall management of environmental energy research and business
Former Professor, Gangneung University (General Education)
- 2008.09.11 ~ 2009.08.31 Lecturer, Department of Metallurgical Engineering
Former Senior Researcher, Korea Institute of Machinery and Materials (KIMM)
- 2014.12.29 ~ 2015.08.10 Corporate commercialization specialist
Current CEO, GISCO Co., Ltd.
- 2015.08.11 Conducting environmental energy research and technology commercialization