Oct 9 (Reuters) - Genworth Mortgage Insurance Australia Ltd GMA.AX :
* Says Ellen (Ellie) Comerford is retiring as chief executive officer and managing director
* Says luke oxenham, director corporate finance and investor relations is being named acting CFO
* Says Georgette Nicholas, presently chief financial officer, has been appointed acting CEO
* Source text for Eikon ID:nASX1QHdxp