Kroger board member Ron Sargent is taking the helm at the nation’s largest supermarket chain as questions about former CEO Rodney Mullen continue.

Kroger CEO Rodney McMullen resigned from his post on Monday, weeks after a merger with Albertsons fell through.

Kroger CEO Rodney McMullen is resigning immediately from the grocery store chain following an investigation that found his personal conduct was “inconsistent” with the company’s ethics policies.

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

The Kroger Co. announced Monday that CEO Rodney McMullen has resigned. That resignation came after an investigation found McMullen guilty of “certain personal conduct.” The conduct was unrelated to Kroger’s business and its associates,

Kroger Co.’s interim leader urged employees to forge ahead following an abrupt exit of his predecessor, according to a recording of an internal meeting viewed by Bloomberg News.

Kroger's interim leader gave investors an update on the search for a new CEO following the abrupt resignation of Rodney McMullen following an investigation into personal conduct. During an investor call following Kroger Co.