Yoshiteru Chiba is a Visiting Researcher in the Department of Health Communication of the Division of Epidemiology and Health Science, School of Public Health, Graduate School of Medicine, the University of Tokyo since 2019. Yoshiteru has been implementing CDISC standards using ODM and SDTM since 2008. These implementation activities include creating a link from the hospital electronic health record (EHR) system to the University Hospital Medical Information Network (UMIN) clinical research system using CDISC ODM, with the goal of improving clinical data quality using the CDISC standards. Yoshiteru has been teaching CDISC topics in the University of Tokyo School of Public Health (UT-SPH) since 2014. He has been the CDISC Liaison in Japan since 2019-2021.