The Advocacy Alliance has a proud history of service. Founded as a Mental Health Association in 1955, we have grown tremendou ... sly over the years, expanding our reach to 39 counties in Pennsylvania. Our mission is to promote mental well-being, and support Recovery for adults who have a mental illness; Resiliency for children and adolescents who have emotional/behavioral disorders; Everyday Lives for individuals who have developmental disabilities; and Independence for older adults and individuals with physical disabilities, by providing advocacy and culturally competent services. read more