Target Corp. Chief Executive Brian Cornell has hired a former colleague from the supermarket chain Safeway Inc. to lead a revamp of the retailer's grocery business.

Anne Dament comes to Target from PetSmart, where she was a vice president. Before that, she spent nearly a decade at Safeway, including during a three-year stretch when Mr. Cornell served as chief marketing officer. She has also worked at Supervalu Inc. and ConAgra Foods Inc.

Ms. Dament, who begins April 20, will help implement Mr. Cornell's vision to revamp Target's grocery business by expanding private-label products, adding more organic and gluten-free foods and emphasizing categories that younger shoppers crave. The changes to grocery are expected to play out over the next 12 to 18 months.

Grocery makes up a little more than a fifth of Target's $73 billion in annual sales, but its food offerings haven't helped the retailer stand out from competitors, including Wal-Mart Stores Inc., which has lower prices.

Target's current selection of dry groceries and limited fresh fruits, vegetables and meats doesn't fit with what Target shoppers want. A recent survey from consultancy Kantar Retail found that just 18% of Target shoppers felt that the food sold at the retailer matches with what they like to cook or eat.

Mr. Cornell joined Target last August, bringing with him a robust food background, including as CEO of PepsiCo Inc.'s Americas Foods and a prior stint leading Wal-Mart's Sam's Club unit. He was also marketing chief at the grocery chain Safeway from 2004 to 2007.

Target began a broader rollout of grocery in 2008, hoping that more frequent trips from shoppers would offset the less profitable sales of cereal, milk and other consumables, in part by attracting shoppers to other more lucrative parts of the store.

Write to Paul Ziobro at Paul.Ziobro@wsj.com

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