CHICAGO — Walgreen Co. has hired Graham Atkinson, former president of United Airline’s Mileage Plus unit, to be senior vice president and chief customer experience officer, with responsibility for developing and leading Walgreens’ loyalty strategies.

Walgreen Co. has hired Graham Atkinson, former president of United Airline’s Mileage Plus unit, to be senior vice president and chief customer experience officer, with responsibility for developing and leading Walgreens’ loyalty strategies.

He will report to president and chief executive officer Greg Wasson.

"With Graham’s 20-year career in marketing, customer experience, sales and operations at United, he brings valuable insight into driving customer loyalty both through marketing programs and in a complex business where employees are the true ambassadors for the brand," Wasson said. "We look forward to that perspective, as we continue to develop our approach to loyalty in our stores and across our organization."

Walgreens also has promoted members of its executive team.

Sona Chawla has been promoted from senior vice president to president of e-commerce. Mia Scholz has been promoted from vice president to senior vice president of accounting and controller. And Robert Zimmerman has been promoted from vice president of corporate development to senior vice president and chief strategy officer.