■  National Institute of Dementia (NID) of Korea [link]: 
The 1st Director, completed from 2012 to 2019, 
supported by the Ministry of Health and Welfare

■  Development of the 3rd National Dementia Plan of Korea [link]:
Principal investigator, completed from 2014-2015, 
supported by the Ministry of Health and Welfare, Republic of Korea

■  Cost effectiveness of diagnostic methods for dementia patient in community and hospital [link]:
Principal investigator (Prof. Han, J.W.) of the neurocognitive test group, 
completed from 2016 to 2018, supported by the research grant from Ministry of Health, Welfare and Family Affairs
(https://www.ncbi.nlm.nih.gov/pubmed/25208621)

■  International comparative studies on the policies/services for people with dementia:
Principal investigator, ongoing since 2012, 
supported by various agencies
(https://www.ncbi.nlm.nih.gov/pubmed/28059784;
 https://www.ncbi.nlm.nih.gov/pubmed/27232216)