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Clinical Director, Behavioural Wellness Clinic
Dr. Monnica Williams is a board-certified licensed clinical psychologist and Clinical Director of the Behavioural Wellness Clinic in Tolland, Connecticut, and Ottawa, Ontario. She provides psychotherapy, consultation, supervision, and advanced training in evidence-based mental health treatments. Her work bridges clinical expertise with research, cultural awareness, and a deep commitment to helping individuals and clinicians alike.
Dr. Williams treats and specializes in a broad range of mental health concerns and treatment types, including:
Dr. Williams is internationally recognized for her pioneering work on misunderstood and frequently misdiagnosed presentations of OCD, including taboo symptoms related to sexual fears, harm obsessions, and scrupulosity. She was the first to publish research on sexual obsessions in OCD and developed clinical tools to help differentiate intrusive sexual fears from genuine identity exploration in LGBTQ individuals. Her treatment manual on sexual worries in OCD, published by Oxford University Press, is widely regarded as a cornerstone resource for clinicians.
In addition to her clinical work, Dr. Williams is a Canada Research Chair and faculty member at the University of Ottawa’s School of Psychology. She previously directed the Center for Mental Health Disparities at the University of Louisville and trained under the renowned psychologist Dr. Edna Foa at the University of Pennsylvania.
Her research has focused on obsessive-compulsive disorder, race-based trauma, cultural competence in therapy, and strategies to reduce clinical bias. She has authored more than 200 scientific publications and three books, with additional titles in development. Dr. Williams also served as principal investigator for a multisite clinical trial on MDMA-assisted psychotherapy for PTSD at the University of Connecticut Health Center.
Dr. Williams contributes to the mental health field through multiple leadership roles. She serves on the Scientific Advisory Board of the International OCD Foundation and is an associate editor for Behavior Therapy and New Ideas in Psychology. She also holds editorial board positions with Cognitive Behaviour Therapy and the Journal of Obsessive-Compulsive and Related Disorders.
Her influence extends to professional organizations such as the American Psychological Association (APA) and the Association of Behavioural and Cognitive Therapies (ABCT), where she has held leadership roles and advanced initiatives supporting diversity and inclusion.
Dr. Williams’ expertise has been featured in major media outlets, including NPR, USA Today, CNN, Huffington Post, and The New York Times, where she has helped raise awareness about OCD, racial trauma, and evidence-based therapies.
