Leopoldo J. Cabassa is a Puerto Rican social worker, Professor and Co-Director of the Center for Mental Health Services Research at the Brown School of Social Work at Washington University in St. Louis. His research examines physical and mental health inequities in historically marginilized racial and ethnic populations with serious mental illness (SMI). His work blends health inequities research, quantitative and qualitative methods, community engagement, intervention research, and implementation science. His work has been supported by the National Institute of Mental Health, the National Institute on Minority Health and Health Disparities, the Robert Wood Johnson Foundation, and the New York State Office of Mental Health.