Originally hired as a staff writer for Jerry Bruckheimer's cancelled action series Fearless, Bans became a part of the crew of Desperate Housewives in 2004. In 2006 she was nominated for a Writers Guild of America Award for the screenplay to the Desperate Housewives episode "Next" and in 2007 she received another nomination for the episode "It Takes Two". Bans co-wrote both episodes together with Kevin Murphy. Bans is a producer and writer on Grey's Anatomy, and is the creator and the co-producer (along with Shonda Rhimes) of Off the Map, a series which premiered on ABC in January 2011, and was cancelled on May 13, 2011. She is currently a writer on another Shonda Rhimes created drama, Scandal on ABC.