Minister
| 2009.02 ~ Present |
Vice Minister for Trade and Energy, Ministry of Knowledge Economy (MKE) |
| 2008.03 ~ 2009.01 |
Deputy Minister for Industrial Economic Policy, MKE |
| 2007.09 ~ 2008.03 |
Deputy Minister for Planning & Management, Ministry of Commerce, Industry and Energy (MOCIE) |
| 2007.01 ~ 2007.09 |
Director-General for Core Industries, MOCIE |
| 2006.06 ~ 2006.12 |
Director-General for Energy and Resource Development, MOCIE |
| 2005.01 ~ 2006.05 |
Director-General for Audit & Inspection, MOCIE |
| 2003.12 |
Director-General, Korean Electricity Commission |
| 2003.05 ~ 2003.12 |
Director, General Affairs Division, MOCIE |
| 2001.05 ~ 2003.05 |
Director, Foreign Investment Policy Division, MOCIE |
| 2000.05 ~ 2001.05 |
Director, Automobile & Shipbuilding Industries Division, MOCIE |
| 1998.08 ~ 2000.05 |
Director, Steel & Petrochemical Industries Division, MOCIE |
| 1994.09 ~ 1998.03 |
Research Fellow, Canadian International Trade Tribunal |
| 1983.03 ~ 1994.03 |
Ministry of Trade and Industry |