| Present |
Minister of Health and Welfare |
| Dec. 2012 |
Vice Chairman of the 18th Presidential Transition Committee |
| Jul. 2012 |
Member of the Public Administration and Security Committee, National Assembly |
| May 2012 |
Chairman of the Policy Committee, Saenuri Party |
| May 2012 ~ |
Member of the 19th National Assembly (Saenuri Party) |
| 2010 |
Member of the Public Administration and Security Committee, National Assembly |
| 2008 |
Member of the Foreign Affairs, Trade and Unification Committee, National Assembly |
| 2008–2012 |
Member of the 18th National Assembly (Grand National Party - former Saenuri Party) |
| 2007 |
Member of the Special Committee on Budget and Accounts, National Assembly |
| 2006 |
Executive Member of the Unification, Foreign Affairs and Trade Committee, National Assembly |
| 2004 |
Member of the Science, Technology, Information and Telecommunications Committee, National Assembly |
| 2004-2008 |
Member of the 17th National Assembly (Grand National Party) |
| 2003-2004 |
Chairman of the Planning Committee, Grand National Party |
| 1980-1981 |
Judge, Southern Branch, Seoul District Court |
| 1975 |
Passed the 17th Judicial Examination |