Kroger Chief Executive Rodney McMullen resigned from the company following a board investigation into his personal conduct, ending a more than four-decade career at the grocery chain.Kroger, the biggest U.

Kroger Chairman and CEO Rodney McMullen is stepping down after an internal investigation into his personal conduct.

Kroger said on Monday Chief Executive Officer Rodney McMullen has stepped down from the role after a board investigation found that his personal conduct was inconsistent with the grocer's "policy on business ethics".