KoPHWA

Graduate School, Hanyang University (Ph. D in Sociology)

UN-ARE Cairo Demographic Center (M. Phil. in Demography)

Pusan National University (B.A. in English Language & Literature)

Professor of Department of Policy Science, Hanyang Univ. & Director of the Institute of Aging Society

Board member of IOM Migration Research and Training Centre

President of Korea Population Association

Senior Researcher, Director, Korea Institute for Health and Social Affairs (KIHASA)

Committee of Governmental Evaluation Body for Local Governments, Ministry of Administration and Safety

Steering Committee of Low Fertility and Population Aging

Advisory Committee of National Major Policy Evaluation, National Assembly Budget Office

Working Committee, Presidential Committee of Low Fertility and Population Aging

Committee, Educational Curriculum Advisory Commission, Ministry of Education and Science

Committee, National Pension Financing Estimation Committee, Ministry of Health and Welfare

Chief, New Population Policy Development Centre, KIHASA

Expert Committee, Presidential Advisory Committee for Population Aging and the Future

Committee, Committee for Evaluation of Major Policies for Ministry of Health and Welfare

Committee, Planning Body of Low Fertility Policy, Office of Prime Ministry

Committee, National Pension Financing Estimation Committee, Ministry of Health and Welfare

National Statistical Office (Deputy-Director)