The personnel changes did raise concerns at Moody's Investors Service, which changed the outlook on Citi's ratings to negative. The ratings agency said the personnel changes could raise questions about the bank's efforts to improve its risk management. On the conference call, Corbat said that Brian Leach, the bank's chief risk officer, and John Gerspach, chief financial officer, are staying at the bank. NFL DREAMS Corbat has held a number of senior roles at Citigroup, including running Citi Holdings, the unit established to house businesses and assets that the company wants to shed. O'Neill, the chairman, said Corbat knew he was under consideration for the job for "quite some time". Sources familiar with the situation said the board had drawn up the succession plan by the summer. Weill, the legendary former Citi boss, endorsed the new chief executive. "I know Mike Corbat very well, and I applaud the decision the board has made to name him CEO.