Mackay Retiring; Bryant to Head Kellogg

BATTLE CREEK, Mich. — Kellogg Co. president, chief executive officer and director, David Mackay, will retire at the end of the month, Kellogg announced Monday

BATTLE CREEK, Mich. — Kellogg Co. president, chief executive officer and director, David Mackay, will retire at the end of the month, Kellogg announced Monday.

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