Theresa “Tessa” Matson, Ph.D., M.P.H., is a collaborative scientist at Kaiser Permanente Washington Health Research Institute and a second-year C-DIAS fellow. Her research focuses on integrating addiction health services into primary care in patient-centered ways that reduce disparities and help patients feel valued and better informed about treatment options.

Matson is a co-investigator on National Institute on Alcohol Abuse and Alcoholism and National Institute on Drug Abuse–funded trials, including the C-DIAS Research Project 3, “Addressing Barriers to Care for Substance Use Disorder.” She applies advanced training from her C-DIAS fellowship to engage health system leaders, clinical staff and patients in the design and implementation of these efforts.