(Reuters) - The world's largest retailer Wal-Mart Stores Inc (>> Wal-Mart Stores, Inc.) appointed Lev Khasis as president and chief executive of New Formats for Walmart International, a company spokesperson said.

Khasis, who joined Wal-Mart in 2011 as senior vice-president, will focus on developing new store concepts that can be deployed across markets, Wal-Mart spokesperson Kevin Gardner said in an e-mail statement.

Khasis built up Russia's biggest food retailer X5 (>> X5 Retail Group NV (EDR)) through acquisitions into a Russian market leader until his resignation in 2011.

Wal-Mart has more than 4,480 stores in the United States, including large supercenters, discount stores, grocery stores, small format stores and Sam's Club warehouse club stores.

(Reporting by Mridhula Raghavan in Bangalore; Editing by Michael Perry)

Stocks treated in this article : X5 Retail Group NV (EDR), Wal-Mart Stores, Inc.