Russell Marks, PhD

Russell Morgan Marks, PhD


Russell M. Marks, PhD., is a clinical psychologist at the Rhode Island Hospital Adult Partial Hospital Program. He received his doctorate in clinical psychology from the University of South Dakota and completed his residency at the VA Maryland Health Care System (VAMHCS)/University of Maryland School of Medicine (UMSOM) Consortium.

Dr. Marks completed his postdoctoral fellowship through The Warren Alpert Medical School of Brown University, where he received specialized training in Acceptance and Commitment Therapy (ACT). He is interested in treating adults with trauma and stressor-related conditions using ACT and other Third Wave behavioral approaches. His research examines pathoplastic relationships between personality and psychopathology (such as substance use, traumatic stress), as well as measurement issues relevant to the study of process-based interventions.

Dr. Marks is a member of the Lifespan Antiracism and Health Equity Collaborative, the Association for Cognitive and Behavioral Therapies, and the Society of Clinical Psychology. He is also a member of the Association for Contextual Behavioral Science, where he is co-president of the Process-Based Therapy Special Interest Group.



Adult Partial Hospital Program, Rhode Island Hospital
Potter Building (directions)
110 Lockwood St
Providence, RI 02903


  • Post Graduate School:  University of South Dakota School of Medicine
  • Fellowship:  Warren Alpert Medicine School of Brown University
  • Internship:  Veterans Administration Medical Center