The Boeing Co., the $66.4 billion aerospace company based in Chicago, appointed David Dohnalek, currently vice president of financial planning and analysis, as the company's new vice president of finance and corporate treasurer. Dohnalek, 49, will replace Paul Kinscherff,who became president of Boeing's Mideast operations. Earlier in his career at Boeing, Dohnalek was vice president of investor relations and, before that, assistant treasurer for corporate finance and banking.

Sprint Nextel Corp. appointed Robert H. Brust CFO of the $40.1 billion global communications company based in Overland Park, Kan. Brust, 64, took over from William G. Arendt, 50, who had been acting CFO in addition to senior vice president and controller since Jan. 25, when CFO Paul N. Saleh, 51, left the company. Brust previously served as CFO of Eastman Kodak Co. from January 2000 through February 2007, when he retired from the company.

Best Buy Co., the $36 billion retailer of consumer electronics products based in Richfield, Minn., appointed James L. Muehlbauer executive vice president of finance and CFO. Muehlbauer, 46, became interim CFO in September, after CFO Darren R. Jackson moved to the newly created position of executive vice president of customer operating groups. Previously, Muehlbauer, who joined Best Buy in 2002, served as senior vice president of finance and CFO of the company's U.S. business.