Bill Mayo, who joined the company earlier this year, is taking on additional responsibilities following Chief Merchandising and Marketing Officer Trey Johnson’s retirement.

The East Coast grocer was initially skeptical about linking with the online giant, but has reaped benefits including expanding its reach to more metro areas, the company’s CIO said.

Mark Van Buskirk brings more than 35 years of grocery experience, including at Albertsons and convenience store chain Jacksons Food Stores, to his new role.

The company’s remodeled location in Sparta, Michigan, includes items that are popular at the first pilot store such as a beef jerky bar, specialty cheeses and healthy meal kits.

The company is diversifying its marketplace and fulfillment centers to allow Prime members to add goods from Amazon.com, Amazon Fresh and Whole Foods in one cart.