Yum Brands, the $10.8 billion parent of Taco Bell, KFC and Pizza Hut, named David Russell corporate controller and vice president. He succeeds Ted Knopf, who was appointed senior vice president of finance. Russell, 41, was named vice president of financial planning and controller-designate in November. In his 11 years at Louisville, Ky.-based Yum, he has also served as assistant controller and senior director of finance.

EarthLink, a $723 million Internet services provider in Atlanta, named Mark Droege senior vice president of treasury and corporate services. He replaces Trey Huffman, who remains with the company in another role. Prior to joining EarthLink, Droege, 58, served as CFO at both Nsoro and IntelliOne. Earlier, he spent 20 years at BellSouth Corp., where his positions included treasurer and CFO of BellSouth International. Before joining BellSouth in 1986, Droege was CFO for two divisions of International Thomson.

American Apparel, the $558 million clothing chain based in Los Angeles, named John Luttrell CFO and executive vice president. He replaces Adrian Kowalewski, who was appointed executive vice president of corporate strategy. Luttrell, 56, had been a partner at CFOs2Go, a management consulting firm, since 2009. He was CFO of Old Navy from 2007 to 2008, and for two years prior to that, he served as CFO at The Wet Seal. Earlier in his career, Luttrell worked at Cost Plus in positions including CFO and controller.