Dallas, Texas-based utility TXU Corp has named Dan Farrell as chief financial officer, replacing Mike McNally, who becomes president of the firm’s corporate services division. Farrell (pictured) previously served as president of TXU Gas. McNally will oversee risk management, business development human resources, information technology, procurement services and other corporate functions. Tom Baker, group president of TXU’s energy delivery business, was made also executive vice-president of TXU