The Innovative Programs Research Group

909 NE 43rd St, Suite 304
Seattle, WA 98105

Box Number: 354690
Organization URLWebsite
Main Phone: 206-543-7511
Fax: 206-685-8739

Hannah Bergman

Hannah Bergman


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Hannah Bergman is the PTSD and Substance Use Disorders Postdoctoral Fellow in the Innovative Programs Research Group and the Project Director for the DoD-funded study (Co-PIs: Drs. Denise Walker and Debra Kaysen), Improving Voluntary Engagement for PTSD Treatment among Soldiers and Airmen (Stress Check-Up Study).  

Denise Walker

Denise Walker


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Dr. Walker’s expertise is in the fields of addictive behaviors, cannabis treatment and misuse, and intimate-partner violence. Her research focuses on the development, testing and implementation of interventions that bring about positive changes in patterns of behavior. In particular, Dr. Walker examines how to help people gain motivation to change risky behaviors and identifies the best ways to assist them in achieving their goals. She received her MS and PhD in clinical psychology from the University of New Mexico and is a Licensed Clinical Psychologist.

Roger Roffman

Roger Roffman


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Professor Roger Roffman's research interests focus on behavioral interventions in the fields of addictive disorders and domestic violence. His studies of check-up interventions are tailored for individuals who have concerns about current behaviors that are causing adverse effects, but are ambivalent about committing to change. His studies of behavioral counseling interventions focus on supporting individuals who desire to change their behaviors.