Aon Names New CEO

Aon Corporation announced the election of Gregory C. Case, 42, as president and chief executive officer, effective immediately. Case has also been elected to the Aon Board of Directors. Case succeeds Patrick G. Ryan, who has served as Aon CEO since the company's founding. Ryan will continue to serve as executive chairman of the Board. [...] Case most recently served as head of the Financial Services Practice at McKinsey & Company, the international strategic management consulting firm.