About Us

About Us

Founded by the same researchers who developed the Addiction Severity Index, the Treatment Research Institute is an independent, nonprofit research and development organization dedicated to science-driven reform of treatment and policy in substance use.

Mission & Values


 TRI is an independent, non-profit organization dedicated to translating research into improved policies and programs.

Our History

The Treatment Research Institute (TRI) was founded in 1992 as a 501(c)(3) Not-for-Profit Corporation in Pennsylvania.

Our Approach

Scientific progress over the past two decades has produced significant new knowledge about the genetic, metabolic, learned and social factors that initiate and promote substance abuse.

TRI Advances

Since its founding in 1992, TRI has been in the forefront of many of the most important advances in the addiction and substance use field.