This course is the U.S. Department of Health and Human Services (HHS) Substance Abuse and Mental Health Services Administration (SAMHSA) Psychosocial Interventions for Older Adults with Serious Mental Illness. This course is part of the Evidence-Based Resource Guide Series to provide strategies for interdisciplinary care teams, clinicians, behavioral health organizations, and policymakers supporting the implementation of evidence-based interventions for adults with serious mental illness.