Mark Bierley was named CFO and senior vice president of The Pantry, a $6.4 billion chain of convenience stores, effective Sept. 27. He will replace Frank Paci, who is resigning from the Cary, N.C.-based company. Bierley, 44, most recently was CFO and COO of Borders Group, where he had worked since 1996. He was named Borders' senior vice president of finance in 2003, appointed CFO and executive vice president in 2009, and added the title of COO in June. Earlier, Bierley worked in finance positions at Dunham's Athleisure Corp. and Federal-Mogul.

Six Flags Entertainment, the $912.8 million amusement park operator, named John Duffey CFO. He succeeds Jeffrey Speed, who is leaving the Dallas company, which emerged from bankruptcy in May. Duffey most recently was executive vice president and chief integration officer at Siemens Healthcare Diagnostics, where he led the integration of Siemens Medical Solutions and Dade Behring. Earlier, he was CFO and executive vice president at Dade Behring.

Mary Higgins was named CFO and executive vice president of Global Cash Access Holdings, a $667.7 million Las Vegas company that provides cash access services to the gaming industry. The company's CEO, Scott Betts, had served as interim CFO since George Gresham left in May to become CFO of NetSpend. Higgins, 53, had served as CFO of Herbst Gaming since 2000. Earlier, she was CFO of Camco, a specialty retailer.