Chair and CEO of Kroger grocery chain resigns amid personal conduct inquiry

Largest US grocery chain says Rodney McMullen's conduct was unrelated to business as interim CEO and chair named

Kroger's chair and chief executive officer, Rodney McMullen, has resigned after an internal investigation into his personal conduct.

Kroger, the nation's largest grocery chain, said on Monday that the investigation into McMullen's personal conduct was unrelated to the business, but was found to be inconsistent with its business ethics policy.