Doug McMillon, the CEO of Walmart, has announced his retirement effective January, ending a notable tenure of over a decade at the helm of the retail giant. McMillon, who began his career in the company by unloading trailers, emphasized that now is the right time to step down. He will be succeeded by John Furner, the current head of U.S. operations, who has been named the next president and CEO. This leadership transition marks a significant change for Walmart as it prepares for future challenges in the retail landscape.