People

Koichi Nishiyama (西山 幸一) is listed as Managing Executive Officer of Daiichi Life Insurance Co., Ltd. in the operating insurer’s official roster dated1October2026. The same-day responsibilities document assigns wide-area corporate sales, public entities and industrial/infrastructure corporate accounts. The Japanese spelling and published reading identify this person; unrelated namesakes, unverified qualifications and individually allocated startup checks are excluded.