The Brain Injury Association of America (BIAA) is the leading national organization serving and representing individuals, families and professionals who are touched by a life-altering, often devastating, traumatic brain injury (TBI). Together with its network of more than 40 chartered state affiliates, as well as hundreds of local chapters and support groups across the country, the BIAA provides information, education and support to assist the 3.17 million Americans currently living with traumatic brain injury and their families.