Adrienne Batra is leaving the mayor's office to work in the media.
Batra has been appointed comment editor of the Toronto Sun and torontosun.com website.
She will also be a frequent contributor on Newstalk1010 as the radio station's municipal affairs correspondent.
Batra was a member of Ford's campaign team and has been his press secretary since he took office in December 2010.
She's leaving Ford's office effective Friday.