Inclusion Criteria:  Veteran enrolled in the outpatient Rehabilitation Medicine Service at the Corporal Michael J. Crescenz VA Medical Center Age of 21 years or older Meet professional criteria for mild or moderate TBI Confirmation of TBI diagnosis Have a CES-D score at or above 16 at both the Telephone Screen and Baseline Those taking antidepressants or other medications affecting mood or behavior must have been using these for at least three months, to allow for stabilization. Those in psychotherapy can participate if therapy has been ongoing for three months or longer. Veterans report current TBI-related symptoms on the Telephone Screen. Speak English  Exclusion Criteria:  A diagnosis of severe TBI Psychosis Aphasia Presence of suicidal ideation with affirmative response on item 9 of the PHQ-9 History of severe physical aggressiveness, judged by the clinical team Currently receiving Cognitive Behavioral Therapy for depression Probable dementia based on a Montreal Cognitive Assessment (MoCA 7.1) score < 26 and difficulty understanding interview questions