| 2025-Present |
Lee & Ko |
| 2021-2024 |
Chairman of International Contractors Association of Korea (ICAK) |
| 2018-2020 |
1st Vice Minister, Ministry of Land, Infrastructure and Transport (MOLIT) |
| 2018 |
Deputy Minister for Territorial and Urban Policies, MOLIT |
| 2016-2018 |
Deputy Minister for Housing and Land Policies, MOLIT |
| 2015-2016 |
Spokesperson, MOLIT |
| 2013-2015 |
Director General. Territorial Policy Bureau, MOLIT |
| 2012-2013 |
Director General, Housing Policy Bureau, MOLIT |
| 2012 |
Director General, Office of Public Housing Construction, MOLIT |
| 2009-2011 |
HUD(Department of Housing and Urban Development), Washington DC, USA |
| 2009 |
Director General, Presidential Commission for Balanced Regional Development |
| 2008-2009 |
Director, Territorial Policy Division, Ministry of Construction and Transportation (MOCT) |
| 2005-2008 |
Director, Housing Policy Division, MOCT |
| 2004-2005 |
Director, Capital Region Planning Division, MOCT |
| 2004 |
Director, Relocation Planning Division for Public Institutions |
| 2000-2003 |
Project Manager, Bureau of Public Management and Territorial Development, OECD |
| 1989-2000 |
Deputy Director, Ministry of Construction and Transportation |