Styron, a $3.7 billion plastics company spun off by Dow Chemical earlier this year, named Richard Diemer Jr. CFO and executive vice president, John Sereda treasurer and vice president, and George Osborne controller and vice president. Diemer, 52, replaces Celso Goncalves, who is leaving at year-end. Diemer had been the CFO of Albemarle Corp. since 2005. Prior to that, he was corporate controller of Honeywell International. Sereda most recently was treasurer and vice president of finance at Nova Chemicals. Osborne was Dow's director of M&A.
Bally Technologies, a $778 million gaming company, promoted Neil Davidson to CFO, corporate treasurer and senior vice president. He replaces Robert Caller, who is retiring as CFO, but will remain with the Las Vegas-based company under a long-term consulting agreement. Davidson, 37, most recently served as Bally's chief accounting officer. Before joining Bally in 2006, he was vice president of finance for Multimedia Games, a gaming and systems company. Davidson began his career at KPMG.
PMA Capital, a $531 million insurance company, promoted John Cochrane to CFO and senior vice president. He had been interim CFO since December, when William Hitselberger left to join Tower Group. Cochrane, 55, most recently was senior vice president of finance. Prior to joining Blue Bell, Pa.-based PMA in 2003, Cochrane held various roles at insurance companies. He began his career at Peat Marwick Mitchell & Co.
FairPoint Communications, a Charlotte, N.C.-based phone company that is working to emerge from Chapter 11, appointed John Hogshire controller and vice president. Hogshire, 49, most recently served as director of accounting for Aviat Networks, and before that was controller and vice president for Madison River Communications. FairPoint had consolidated revenue of $1.1 billion in 2009.
Blockbuster, the $4 billion video rental company that recently filed for Chapter 11, hired Dennis McGill as CFO and executive vice president. Thomas Casey, the Dallas-based company's CFO for three years, resigned. McGill, 61, had served as CFO of Safety-Kleen Systems since 2005. Earlier, he was CFO at GAB Robins Group of Companies and Hastings Entertainment.
Bristow Group, a $1.2 billion provider of helicopter services to offshore energy companies, appointed Jonathan Baliff as CFO and senior vice president. He replaces Elizabeth Brumley, who resigned in June. Baliff, 47, is joining Houston-based Bristow from NRG Energy, where he most recently served as executive vice president of strategy. Before joining NRG in 2008, he spent 12 years at Credit Suisse where his final position was managing director of the global energy group. Baliff also worked at J.P. Morgan and Standard & Poor's, and achieved the rank of captain in the Air Force.