CANTON, MA, 2017-Feb-25 — /EPR Retail News/ — Dunkin’ Brands Group, Inc., (Nasdaq: DNKN), the parent company of Dunkin’ Donuts and Baskin-Robbins, today (February 23, 2017) announced the promotions of five executives. Grant Benson has been promoted to Senior Vice President, Franchising and Development, Dunkin’ Brands; Amanda Helming has been promoted to Vice President, Dunkin’ Donuts…