Struggling Houston-based energy merchant Dynegy has appointed former Shell Oil chief financial officer Nick Caruso as CFO. He remains in Houston and replaces Louis Dorey, who has held the position since Rob Doty’s resignation in June 2002. A spokesman for the firm told EPRM that Caruso’s focus is now on “moving the company forward as we emphasise transparency and accuracy in our financial reporting, comply with the new regulatory disclosure requirements and work closely with all our