| 2021. 9. 2. ~ |
President of the Social Security Information Service (SSiS) |
| 2018 ~ 2021 |
Committee member, Economic, Social & Labor Council Committee for a Better Social Safety Net |
| 2016 ~ 2021 |
Committee member, National Living Security Commission |
| 2011 ~ 2012 |
Invited Researcher, Europe Research Center - Sciences Po de paris |
| 2010 |
Research Fellow & Board member of Presidential Committee on Social Cohesion |
| 2003 ~ 2004 |
Research Fellow & Board member of Presidential Committee on Social Inclusion |
| 2000 ~ 2021 |
Committee member of Korea Institute For Health and Social Affairs |
| 2000 |
Research Fellow of The Incheon Institute |
