Complex sentence: Stash's producer, and Theo and Joe's for the first 7 months of the show, was Stephanie Drummond, also formerly with and both the KML and KMS morning shows.
Split into simpler sentences: Stash's producer, and Theo and Joe's for the first 7 months of the show, was Stephanie Drummond. She was also formerly with and both the KML and KMS morning shows.