For the Native American fashion designer, see Geraldine M.
Sherman.Geraldine Sherman (born Geraldine Judith Schoenmann on 20 October 1940, Staines, Middlesex, England) is a British actress and writer, now known as theatre producer Dena Hammerstein since becoming the third wife of James Hammerstein then after his death becoming President/CEO of James Hammerstein Productions Ltd.