UGI Corp., a $5.6 billion gas and utility company in King of Prussia, Pa., named Robert Flexon CFO, replacing Peter Kelly, who is retiring. Flexon, 52, was CEO of Foster Wheeler, an engineering and construction contractor, from June to October 2010, and before that, served as CEO and president of Foster Wheeler USA from November 2009 to May 2010. Before joining Foster Wheeler, Flexon was CFO and COO of NRG Energy and worked at Hercules, a chemical company, and Atlantic Richfield.

Clear Channel Communications, the $5.5 billion operator of radio stations, appointed Dirk Eller CFO of Clear Channel International, a division of the San Antonio, Texas-based company. He replaces chief operating officer Jonathan Bevan, who had been responsible for the CFO function as well. Eller had been the company's senior vice president of corporate development and strategic planning for six years. Before joining Clear Channel, he worked for a private equity firm in Texas.

BioScrip, the $1.3 billion specialty pharmacy and home-care products company in Elmsford, NY, named Mary Jane Graves interim CFO. She replaces David Froesel Jr., who resigned after two months in the position. Graves, 49, was formerly CFO of Critical Homecare Solutions, which BioScrip bought last year. She was an independent consultant from 2001 to 2006, and earlier served as CEO and CFO for Superior Renal Care, an outpatient dialysis provider, and president and COO at Stadt Solutions, a specialty pharmacy company. She began her career at Arthur Andersen.