-1987 Bachelor of Arts in Sociology, Yonsei University

-2006 M.A in Sociology, Yonsei University

 

-1999 Senior Advisor for Policy Research Department, CCEJ(Citizen's Coalition for Economic Justice)

-2006 General Secretary, Citizen's Action Network

-2010 Chairman, Steering Committee of Civil Society Organizations Network(Korea)

-2017 Seoul's Vice Mayor for Political Affairs

-2018 Senior Secretary to the President for Social Renovation