From today's Publisher's Lunch (link will only work if you subscribe):

Starting today Carrie Hannigan, Jesseca Salky and Josh Getzler will launch the Hannigan Salky Getzler Agency (HSG), representing a range of authors across literary genres, including fiction and non-fiction, in children's and adult titles. The three arrive from Russell & Volkening, Inc.
Website. (Or, should be soon...)