Sharon was an agent working with Rammer in Homeland Security.
She showed up working on the case of Aylee and the disapperance of the Kesandru house.
Sharon have some psychic abilities, but stopped using them in order to be taken serious for her science.
She get angry when other people refer to her as the psychic.
In the Dimension of Rain, Sharon (DoR) and Rammer (DoR) were partners as well. She saw the web of fate break just before the rise of 4U City, and got "judged" when her squad found Riff.