Purpose: This pilot feasibility study aimed to gain preliminary insight into the acceptability and usefulness of the FAB-PBS program for providing behavior support to families following acquired brain injury (ABI) in community settings. Background: The FAB-PBS program is based on a Positive Behavior Support (PBS) framework and principles of Family-Centered Care and Family-Directed Intervention. It consists of an education phase followed by individualized sessions during which the family is supported to develop and implement a PBS plan.