Doctor of Medicine, Jichi Medical University, Japan, 1993. Doctor of Philosophy, Jichi Medical University.
Lecturer Jichi Medical University, Shimotsuke, since 2003. Associate professor International University Health and Welfare Hospital, Nasushiobara, Japan, since 2007.
Fellow: Japanese Circulation Society, Japanese Society Internal Medicine.
Married Yuko Motoyama, May 11, 1995. Children: Hiroko, Itaru, Haruko.