Board member Ronald Sargent will serve as Chairman of the Board of Directors and interim Chief Executive Officer

Kroger 's longtime leader Rodney McMullen abruptly resigned March 2 following a personal conduct probe initiated in February, ending a nearly 50-year career with the Cincinnati-based grocery giant. Here's what we know – and don't – about his career with the nation's largest traditional supermarket chain, and it's sudden end.

The supermarket chain said Rodney McMullen’s conduct wasn’t related to its financial performance or operations but it was inconsistent with its ethics policy.