Doctor of Medicine, Yamanshi Medical University, Japan, 1986. Doctor of Philosophy, Yamanshi Medical University, Japan, 1990.
Instructor Yamanashi Medical University, 1990-1992, assistant professor, 1992-1994, associate professor, since 1994. Postdoctoral associate University Minnesota, Minneapolis, 1992-1994. Director Yamanshi Research Center of Clinical Pharmacology, since 2002.
Member Japanese Pharmacological Society (councilor), Japanese Society Internal medicine, Japanese Circulation Society, Japanese Cardiac Pacing Society, American Heart Association.
Married Hiroko Amemiya, May 30, 1988. Children: Asuka, Runa.