PulteGroup, Inc. (PHM) appointed Robert O'Shaughnessy as executive vice president and chief financial officer of the Bloomfield Hills, Mich.-based homebuilder. In his new position, O'Shaughnessy is responsible for corporate accounting, treasury, tax, investor relations, audit, information technology and asset management functions, including the mortgage and title company. O'Shaughnessy replaces current CFO Roger Cregg, whose retirement is effective May 27. O'Shaughnessy starts on May 31 and reports directly to Richard Dugas, chairman, president and chief executive officer of PulteGroup. "Bob is a proven leader who has demonstrated operational expertise," Dugas said. "With nearly 25 years of finance experience and a solid grounding in public accounting, Bob brings a broad range of expertise to PulteGroup from which our entire operation will benefit." O'Shaughnessy joined PulteGroup from a term as executive vice president and CFO of Penske Automotive Group. He was with the firm since 1997. PulteGroup recently reported its first-quarter earnings, widening its loss to $40 million, or 10 cents a share, from a loss of $12 million or 3 cents a share a year earlier. Write to Christine Ricciardi. Follow her on Twitter @HWnewbieCR.