Walmart’s long-serving chief executive Doug McMillon, credited with transforming the world’s largest retailer into a tech-driven powerhouse, is set to step down early next year. The unexpected announcement, released by the company on Friday, signals the close of a pivotal decade that reshaped Walmart’s operations, workforce, technology strategy, and global influence.

John Furner, 51, who currently oversees Walmart’s U.S. operations, will assume the role of CEO on February 1, a day after McMillon’s retirement becomes official. Though McMillon will stay on for a year to advise his successor, the surprise transition sent immediate ripples through financial markets. Walmart shares initially dropped 3% in premarket trading but later recovered partially, ending down about 1% by midday.

McMillon’s influence reaches far beyond retail. While not as publicly visible as other corporate titans, his decisions have long been regarded as signals of consumer sentiment and economic direction. Walmart states that 90% of U.S. households rely on the retailer, which serves more than 150 million customers weekly across physical stores and online platforms.

The company is also the nation’s largest private employer, with 1.6 million U.S. workers and 2.1 million employees across the globe, including Sam’s Club and international divisions.

A University of Arkansas graduate, McMillon began his Walmart career in 1984 as an hourly employee. Over three decades later, he stepped into the CEO role in 2014 and quickly initiated sweeping reforms. His focus centered on investing in employees, raising wages, expanding parental leave, and creating new education pathways. Walmart’s multibillion-dollar program to uplift workers helped boost morale and sharply improve retention.

Under his guidance, the retailer embraced technology with unprecedented speed—integrating artificial intelligence, robotics, and advanced automation into its operations. These innovations elevated inventory accuracy, accelerated restocking, and improved fulfillment for both stores and e-commerce.

Strengthening Walmart’s Public Image

McMillon also prioritized rebuilding Walmart’s reputation. Once criticized as a relentless low-price operator with limited regard for workers, the company shifted toward a more people-centered image. McMillon often visited stores, met hourly employees, and supported initiatives targeting sustainability, such as reducing carbon emissions across global operations.

Walmart Chairman Greg Penner praised McMillon’s impact, stating that his leadership modernized the company and strengthened its mission to help customers “save money and live better.”

Furner’s career mirrors McMillon’s in its humble beginnings. Starting as an hourly associate in 1993, he rose through the ranks and gained extensive international experience. His leadership roles include heading Sam’s Club before becoming the president and CEO of Walmart U.S.

Market analysts expect continuity rather than dramatic change. According to TD Cowen’s Oliver Chen, Furner’s operational strength makes him a natural successor, though he acknowledged that following McMillon’s legacy will not be easy.

Walmart saw remarkable financial growth during McMillon’s tenure. Annual revenue climbed from $485.7 billion to $681 billion, and the company’s stock price quadrupled—from around $25 per share to more than $102.

The McMillon era also included defining moments that reshaped Walmart’s identity. After a series of mass shootings—including one at a Walmart store—the company stopped selling ammunition for handguns and short-barrel rifles and asked customers not to openly carry firearms.

As online shopping surged, Walmart accelerated investments in fulfillment centers, same-day delivery, and AI-powered logistics. By August, one-third of deliveries from U.S. stores were reaching customers within three hours, with 20% arriving in under 30 minutes. The launch of Walmart+ signaled a direct challenge to Amazon Prime, while new revenue streams like advertising strengthened profitability.

Walmart endured pandemic-era supply chain challenges better than many competitors, leveraging supplier relationships to maintain product availability. During inflation spikes, the retailer attracted more high-income shoppers looking for savings, reinforcing its dominance in the retail landscape.

McMillon played an active role in federal discussions on tariffs, meeting with Trump administration officials as the company absorbed part of the rising import costs. Despite these pressures, Walmart maintained its focus on affordability. McMillon emphasized that the company was working aggressively to shield consumers from further price increases by streamlining operations and negotiating with suppliers.

McMillon took the reins during a period of stagnant sales, unkempt stores, and low employee morale. His decision to raise wages and expand career advancement opportunities initially rattled investors and temporarily erased billions in market value. Over time, however, those moves restored confidence and transformed Walmart into a more resilient and future-ready company.

As Furner prepares to step into the role, Walmart enters a new chapter built on the foundation McMillon spent years strengthening. The next phase of leadership will test the retailer’s ability to maintain its momentum amid evolving technology, shifting economic landscapes, and increasingly competitive global markets.