
An initiative to use AI to recreate the judgments and thinking of top management is spreading among major companies in Japan. Sumitomo Mitsui Financial Group introduced an “AI CEO” modeled after its group CEO in August 2025. Kirin Holdings incorporated “AI executives CoreMate,” featuring 12 AI personas, into its management strategy meetings and expanded the initiative to group companies in April 2026. NTT Docomo Business is one such company. At “Interop To