Addictions, Drug & Alcohol Institute

Mary Hatch-Maillette PhD

Dr. Hatch-Maillette is a Senior Research Scientist at the Addictions, Drug & Alcohol Institute (ADAI) and a Clinical Instructor in the Department of Psychiatry and Behavioral Sciences. Her research interests are in the development and testing of behavioral and pharmacologic interventions for substance use disorders and HIV prevention.  In particular, her work has focused on the intersection of substance use and HIV-related sex and drug risk behaviors from both the consumer and workforce perspectives, and on implementation factors that affect uptake of interventions. She has held multiple and varied roles in research projects since 1994, and has long-standing experience developing, implementing, and overseeing large-scale multi-site clinical trials with community treatment providers. In addition to her work at the University of Washington, Dr. Hatch-Maillette is a licensed clinical psychologist with a private practice in Seattle. Her clinical work specializes in the treatment of drug and alcohol addictions and co-occurring depression, anxiety and trauma.

In March 2018, Dr. Hatch-Maillette was named Co-Director of the Pacific Northwest Node of the NIDA Clinical Trials Network.


Senior Research Scientist, UW Addictions, Drug & Alcohol Institute
Multiple PI, Pacific NW Node of the NIDA Clinical Trials Network
Clinical Instructor, UW Department of Psychiatry & Behavioral Sciences


BA, Amherst College
PhD, Clinical Psychology, University of Nebraska-Lincoln
Postdoctoral fellowship at the VA Puget Sound Health Care System’s Center for Excellence in Substance Abuse Treatment and Evaluation (CESATE)

Linked Information

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Research Interests

  • (Research) Substance use disorder treatment; HIV; Gender; implementation science; clinical research.
  • (Clinical) Treatment of major psychiatric illness; Addiction treatment; Comorbidity of depression, anxiety, PTSD and addiction.


  • Co-Director, Pacific Northwest Node of the NIDA Clinical Trials Network of the National Drug Abuse Treatment Clinical Trials Network (NIDA CTN) (2018 – )
  • Co-Investigator, NIDA CTN Pacific Northwest Node (2001-2018)
  • Consulting Editor: Psychology of Addictive Behaviors, 2020-present
  • Member, HIV Special Interest Group, NIDA CTN
  • Member, Gender Special Interest Group, NIDA CTN
  • Clinical Instructor, Department of Psychiatry and Behavioral Sciences
  • Dr. Hatch-Maillette in the Psychology Today Therapist Directory