Dice Holdings Inc., a leading provider of professional community websites and career fairs with operations in Urbandale, announced it has hired John Roberts as the company's chief financial officer. Roberts succeeds Michael Durney, who became president and CEO of Dice on Sept. 30. Most recently, Robert served as CFO of BrightLine, a leading provider of interactive television solutions. He has more than 20 years of experience in global financial management. He holds an accounting degree from Boston College. "As our company and services continue to evolve, John's financial thought leadership and experience will be a critical part of our success," Durney said in a press release.