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Karla Allen, Walmart
One way to get a sense of Walmart’s massive transition to an agile omnichannel retailer is to examine the company’s mobile app, which bears the influence of Karla Allen, Walmart's senior director of mobile wallets.

Walmart Pay — the popular QR code-based payment approach Walmart introduced in 2016 — is the centerpiece of the retailer’s digital wallet, which also offers direct access to Walmart’s credit card and a host of other services. These features combine to support a seamless connection between physical stores and online shopping.

Allen joined Walmart in 2016 after a long career at companies including Gap Inc., Ericsson and Sprint PCS. Her career reached a turning point six years ago when she began to focus on mobile wallet startups, and while working at the Gap served on the executive board of the merchant coalition MCX, which piloted a mobile wallet called CurrentC.

“Today’s digital wallet innovation brings together all aspects of the digital relationship with customers, and it will greatly shift how shoppers interact with merchants … for many years to come,” said Allen, who is one of PaymentsSource's Most Influential Women of Payments for 2018.

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