About the Co-Directors

Seema L. Clifasefi, PhD, LICSW

Seema L. Clifasefi, PhD, LICSW, is a licensed clinical social worker, cognitive and experimental psychologist, associate professor and codirector of the Harm Reduction Research and Treatment (HaRRT) Center in the Department of Psychiatry and Behavioral Sciences at the University of Washington-Harborview Medical Center in Seattle, WA. Her research lies at the intersection of substance use, mental health, criminal justice and housing policy, with an emphasis on populations with lived experience of homelessness, substance use and/or involvement in the criminal justice system. Over the past two decades, she has worked collaboratively with communities and community-based agencies to develop, evaluate and disseminate programs and interventions that aim to reduce substance related harm and improve quality of life. During this time, she has been an integral part of multiple collaborative academic and community-based partnerships that have contributed to large-scale national policy shifts around housing and criminal justice reform.

For related publications, please see Dr. Clifasefi’s CV. Publications may be downloaded from her researchgate account.

Susan E Collins, PhD

Susan E. Collins, PhD, is a licensed clinical psychologist, professor in the Department of Psychiatry and Behavioral Sciences, and codirector of the Harm Reduction Research and Treatment (HaRRT) Center at the University of Washington – Harborview Medical Center. She has been involved in substance use research, assessment and treatment for over 25 years and has disseminated this work in over 7 dozen peer-reviewed articles and chapters as well as the new evidence-based treatment manual from Hogrefe titled, Harm Reduction Treatment for Substance Use. She works with multidisciplinary research and clinical teams, community-based agencies, and people who use substances to codevelop and evaluate interventions that aim to reduce substance-related harm and improve quality of life for people who use substances and their communities. She founded and consults for the Harm Reduction Treatment Track at Harborview Medical Center’s Mental Health and Addiction Services. She is in clinical practice providing harm-reduction treatment for patients in the Adult Outpatient Clinic at UW-Roosevelt. Dr. Collins is also a mother, a wife, a sister and a daughter embedded within families affected by the intergenerational experience of addictive behaviors and its sequelae. Susan attended her first 12-step meeting when she was 16, and her families’ and her own lived experiences drive her desire to reduce the stigma of addictive behaviors and meet people where they are at in all aspects of her work.

For related publications, please see Dr. Collins’s CV. Publications may be downloaded from her researchgate account at https://www.researchgate.net/profile/Susan_Collins/publications.