Consulting

National Resources inventory, Natural Resources Conservation Service, USDA (Since 2008)

Quality control project, Samsung, Inc. (2018-2019)

Quality control project, Samsung, Inc. (2018-2019)

Survey Integration: Combining information from multiple sources, Census Bureau (2016-2018).

Statistical Methodology consulting, Australian Bureau of Statistics (2017)

Combining survey data and admin data in national household income survey, Statistics Korea (2018)

Dual-Frame Estimates of Indicators for Feed the Future (FTF) Zone of Influence (ZOI) and Food for Peace (FFP) Project Implementation Area in Guatemala and Nepal, FHI360 and USAID (2016-2017).

"Improvement of the collection and management of data from administrative sources", Food and Agriculture Organization, United Nations (2014-2016)

NTTO Variance Project, CIC Research, Inc. (2016)

"New approaches for area frame development, area sample design, and geospatial data collection", National Agricultural Statistical Service, USDA (2013-2015)

SMART survey for election prediction for the 6th local election in Korea, JTBC. (2014).

Analysis of Mixed mode surveys, Statistical Research Institute, Statistics Korea (2012).

Small area estimation for Korean household income and expenditure survey, Statistical Research Institute, Statistics Korea (2011).

Sampling design and propensity weighting for on-line panel survey, Korean Broadcasting Service (2011).

Principal investigator for the small area research project for the income and poverty estimates, Mexico (2010)

Weighting project for the panel sample of Korean Retirement and Income Study, National Pension Research Institute, Korea (2007).

Imputation project for Korean Labor and Income Dynamics Panel Survey, Korean Labor Institute, Korea (2007).

National election exit poll surveys, KBS & SBS, Korea (2004-2006).

SAIPE variance improvement project, Census Bureau (2003-2006).