John David Rainey is the executive vice president and chief financial officer for Walmart. He is responsible for the company’s financial operations, corporate strategy, global procurement and investor relations. Rainey and his team work to deliver on Walmart’s commitment to help customers around the world save money and live better.

Prior to joining Walmart in May 2022, Rainey served as PayPal’s chief financial officer and executive vice president, global customer operations. In this role, he was responsible for leading PayPal’s financial operations, as well as its customer operations centers around the world.

Rainey previously held the position of executive vice president and chief financial officer at United Airlines, one of the world’s largest airlines, and spent a combined 18 years between United and Continental Airlines. He began his professional career at Ernst & Young LLP.

Rainey serves on the board of directors of PhonePe, India’s leading digital payments and financial services platform. He also serves on the advisory board for Baylor University’s Hankamer School of Business.

Rainey earned his MBA and bachelor of business administration from Baylor University.

Rainey joined the Microsoft board as an independent director in December 2025.

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