Welcome to the HaRRT Center!

The Harm Reduction Research and Treatment (HaRRT) Center is located in the Department of Psychiatry and Behavioral Sciences at the University of Washington – Harborview Medical Center.


To work collaboratively with substance users, community members and organizations to develop, conduct, evaluate and disseminate evidence-based interventions that help to reduce substance-related harm, improve quality of life, and promote social justice and racial equity for affected individuals and their communities.


To reduce harm, strengthen communities and improve lives


  • Engaging in ethical and just practices
  • Building trust and relationships
  • Modeling personal responsibility
  • Mentoring and investing in our team and trainees
  • Valuing community
  • Honoring others’ wisdom and life experiences