The present study characterized the main family caregiver of 50 victims of traumatic brain injury on an outpatient follow-up program of a trauma center in São Paulo through interviews and record analyses. The results revealed that caregivers had average age of 44.9, were mostly female, single, Catholic, had not completed elementary school and had no paid occupation prior to the trauma. One half of the main caregivers was the victim's mother, 22 percent was the spouse and 18 percent was a sibling. The presence of a secondary caregiver was observed in 48 percent of the cases.