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

Kroger CEO Rodney McMullen is resigning following a probe into his personal conduct, the grocery chain said Monday. McMullen, who was both the chairman and CEO, is out after a company board investigation found that his personal conduct,

Rodney McMullen, the CEO and chairman of major grocery store chain Kroger, has resigned after a board investigation into his personal conduct.