 She belongs to The Creative Coalition, PEN, the International Association of Crime Writers, the American Society of Journalists and Authors, and the Adams Round Table.She is a trustee of the Jewish Theological Seminary, as well as trustee emerita of the Queens College Foundation.Isaacs has also worked for Long Island organizations including the Walt Whitman Birthplace Association, the North Shore Child and Family Guidance Association, and the Nassau County Coalition Against Domestic Violence.