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Smith also leads the international division's strategy, the division which generated $135 billion in sales in 2013. The international division employs some 800,000 people. It operates over 6,100 stores and manages several publicly traded firms.
Before joining Wal-Mart in 2010, Smith had been executive vice president and chief financial officer at video game retailer GameStop, but for just six months.
Brett Biggs, who is executive vice president and chief financial officer for Walmart U.S, is slated to replace Smith at Walmart International, the WSJ said.