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Dr. Holshausen trained as a clinical psychologist at Queen’s University in Kingston, ON (MSc, PhD) and St. Joseph’s Healthcare Hamilton (pre-doctoral internship). Dr. Holshausen is the Research Director and staff psychologist in the Community Psychiatry Clinic at West 5th site of St. Joseph’s Healthcare Hamilton. In her role as Research Director, she is frequently engaged in knowledge translation activities, bridging the gap between scientific inquiry and clinical practice, and is tasked with dissemination of projects that enhance adherence to empirically informed practices, both assessment- and treatment-based in nature. Dr. Holshausen is also an Assistant Professor in the Department of Psychiatry and Behavioural Neurosciences at McMaster University.

Dr. Holshausen’s research evaluates the role of psychopathology as it relates functional outcomes. In support of her work focusing on these factors in severe mental illness, she has been awarded consistent funding through both provincial and federal sources. The constant thread throughout her work has been the focus on delineating avenues to highlight critical intervention points to support individuals with mental illness to engage in meaningful functional recovery activities, with a specific focus on severe illnesses including borderline personality disorder (BPD), psychotic disorders, trauma-related disorders, and mood disorders.


  • Pre-doctoral Psychology Internship, St. Joseph's Healthcare Hamilton, 2017
  • Doctorate of Philosophy, Queen's University, 2017
  • Visiting Scholar, Columbia University, 2013
  • Master of Science, Queen's University, 2012
  • Bachelor of Arts (Hors), McMaster University, 2010


Research Areas

This faculty is a core member of the Research and Clinical Training (RCT) stream in the Department of Psychology, Neuroscience, and Behaviour at McMaster University.

Functional outcome, borderline personality disorder, emotion dysregulation, trauma, psychosis. 

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