Doug McMillon's career at Walmart started when he was in high school, picking up orders and unloading trailers at a warehouse. It'll end with a successful 12-year run as the retail giant's CEO. McMillon will retire from the role on Jan. 31, 2026 , after almost 12 years at the retail giant's helm, Walmart announced on Friday. The 59-year-old from Memphis, Tennessee, became Walmart's fifth CEO in February 2014, and his career arc is noteworthy: McMillon first joined Walmart in 1984 as an hourly