Ministers
| 2008.02 ~ Present |
Vice Minister for Industry and Technology, Ministry of Knowledge Economy |
| 2007 |
Standing Commissioner, Presidential Commission on Small and Medium Enterprises |
| 2004 |
Commercial Counselor, Korean Embassy, Washington D.C. |
| 2004 |
Director General, Industrial Technology Policy Bureau, Ministry of Commerce, Industry and Energy (MOCIE) |
| 2003 |
General, International Cooperation and Investment Bureau, MOCIE |
| 2002 |
Spokesperson, Public Relations Bureau, MOCIE |
| 2001 |
Director General, Korean Organizing Committee for the 2002 FIFA World Cup Korea/Japan |
| 2000 |
Director, General Services Division, MOCIE |
| 1998 |
Assistant Secretary to the President, Office of the President, Korea |
| 1997 |
Director, Steel and Petrochemical Industries, MOCIE |
| 1994 |
Senior Visiting Fellow, Heritage Foundation, Washington, D.C. |
| 1993 |
Chief of Staff, Office of the Minister, Ministry of Trade, Industry and Energy |
| 1981 |
Deputy Director, Trade Policy Division, Ministry of Trade and Industry |