Flag at a Tennessee Quiznos store. photo/bmm
DENVER —Quiznos, a quick service restaurant chain that serves toasted sub sandwiches, announced that Greg MacDonald has been replaced by Stuart K. Mathis as the company’s new president and chief executive officer, effective July 30, 2012. Mr. MacDonald is stepping down immediately. Additionally, Quiznos has named Susan Lintonsmith as its new chief marketing officer.