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Keiichi Yumita occupa la posizione di Head-Information Systems presso Toshiba Corp. Fa anche parte del consiglio di amministrazione di Toshiba Digital Solutions Corp.

Keiichi Okumura is currently the Chairman at OKUMURA ENGINEERING Corp.
He previously worked as the President & Representative Director at Japan Waste Corp.
and as an Executive Officer at Asahi Pretec Corp.