Doctor of Medicine, Shinshu University, Matsumoto, Japan, 1962. Doctor of Philosophy of Medical Science, Shinshu University, Matsumoto, Japan, 1967.
From instructor to associate professor Tokyo University Faculty Medicine, 1961-1988. Professor Shinshu University School Medicine, Matsumoto, since 1988. Counselor environmental conservation Nagano, Nagano, Japan, since 1991.
Advisor Primary Health Care Study Group, Tokyo, since 1988, Ina Health Center, Ina, Nagano, since 1989, Matsumoto Health Center, since 1992.
Member Japanese Association for Hygiene, Japanese Association for Public Health, American Thyroid Association, Japanese Association International Health (executive member), International Society Quality Assurance in Health Care (advisory committee since 1991), New York Academy of Sciences.
Married Yoshiko Takeshita, April 10, 1961. Children: Akemi, Hiroshi, Kiyoko.