Fannie Maes general counsel is in the running to replace the companys outgoing CEO, Inside The GSEs has learned, but a promotion is by no means assured as the GSE is casting a wide net in search of a suitable replacement. A source familiar with the inner workings of the company confirmed a published report that Timothy Mayopoulos, Fannies chief administrative officer and general counsel, has the inside track among those candidates within the company seeking the job.