CHESAPEAKE, Va., 2018-Jan-19 — /EPR Retail News/ — Dollar Tree, Inc. (NASDAQ: DLTR), North America's leading operator of discount variety stores, announced today that Stephanie Stahl has been appointed as a new independent director to the Company's board. Ms. Stahl, age 51, is a seasoned executive leader with significant experience in global marketing, brand building and strategic development. In 2015, Ms.…