This 21-page report provides a description of the services offered by the Defense Center of Excellence (DCoE) for Psychological Health (PH) and Traumatic Brain Injury (TBI) and its accomplishments in the years 2007-2008. DCoE's research mission is to coordinate innovative, evidence-based PH and TBI investments across DoD and other government agencies to meet both immediate and long-term needs associated with prevention, diagnosis, treatment, rehabilitation and outreach for warriors and their families.