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Grocery giant Kroger

plans to hire Greg Foran, who previously headed an airline and Walmart’s

U.S. unit, as chief executive officer, The Wall Street Journal reported on Sunday, citing people familiar with the matter.

The U.S. grocer has been searching for a permanent CEO after the company ousted Rodney McMullen last year in the wake of a board investigation that found that his personal conduct was “inconsistent” with certain company policies.