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Former Walmart executive joins Dollar Tree management team
Dollar Tree has appointed Duncan Mac Naughton as president and COO of its Family Dollar subsidiary. Mac Naughton, 54, most recently served as CEO of Mills Fleet Farm. He has held numerous leadership roles at Wal-Mart Stores, including chief merchandising and marketing officer of Wal-Mart U.S. from 2011 to 2014, executive VP of consumables health and wellness and Walmart.com from 2010 to 2011, and chief merchandising officer of Wal-Mart Canada from 2009 to 2010.

