The $22.6 billion provider of products and services to the energy industry, with headquarters in Houston, Halliburton has appointed senior vice president and chief accounting officer Mark A. McCollum executive vice president and CFO. McCollum, 48, replaces C. Christopher Gaut, who has been promoted to president of the company's drilling and evaluation division. McCollum served in various capacities with Tenneco Automotive Inc., including CFO, before joining Halliburton in 2003.

Time Warner Cable Inc., the $11.7 billion cable company based in Stamford, Conn., has promoted senior executive vice president, Robert D. Marcus to senior executive vice president and CFO. Marcus, 41, succeeds John K. Martin Jr., newly named executive vice president and CFO of the parent company, Time Warner Inc. Marcus came to Time Warner Cable in 2005 as senior executive vice president after spending seven years with the parent Time Warner Inc. serving in a variety of executive positions, including senior vice president of mergers and acquisitions.

Reynolds American Inc., the $8.5 billion Winston-Salem, N.C.-based parent company of the R.J. Reynolds Tobacco Co., Conwood Co., Santa Fe Natural Tobacco Co. and R.J. Reynolds Global Products, has named Thomas R. Adams executive vice president and CFO. Adams, 57, replaces Dianne M. Neal, who has resigned. Adams joined the Reynolds family of companies in 1999 as senior vice president and controller of R.J. Reynolds Tobacco Holdings Inc. and R.J. Reynolds Tobacco Co. Five years later he was promoted to senior vice president and chief accounting officer for the companies. He stepped into his current role in March 2007. Prior to joining Reynolds, he spent 14 years as partner at Deloitte & Touche LLP.