Wendy's (NYSE:WEN - News), the No. 3 U.S. hamburger chain, named Emil Brolick as CEO effective Sept. 12. He replaces Roland Smith, who will stay on as an adviser. Brolick,an ex-Wendy's senior VP, has been COO at Yum Brands (NYSE:YUM - News), parent of KFC, Pizza Hut and Taco Bell. Wendy's shares rose 1.6%.