Graduated from Jikei University School of Medicine in 1985. After training in internal medicine he conducted clinical research, receiving the Oshima Award from the Japanese Society of Nephrology in 1997 for his work on the role of genes in kidney disease. He has served in numerous posts, including: Assistant Professor at Vanderbilt University School of Medicine, Assistant Professor in charge of clinical trials at Tokai University School of Medicine, Chief of the Strategic Research Promotion Unit at the Japan Foundation for Promotion of International Medical Research Cooperation (project planning manager for the Ministry of Health, Labour and Welfare’s “Strategic Research for the Prevention of Diabetes”), Director of NC Medical Research (in charge of R&D), and Vice President of e-solutions. He currently serves as Adjunct Professor, National Graduate Institute for Policy Studies, and Vice Chairman of Health and Global Policy Institute (HGPI).