DR. MARK LEONHART
Dr. Mark Leonhart is a psychologist completing his supervised practice under the supervision of Dr. Bellefontaine. He works primarily from a Cognitive-Behavioural Therapy (CBT) orientation, including Cognitive Processing Therapy (CPT), while integrating useful elements from other approaches that focus on “in the moment” experiences.
He provides evidence-based interventions to individual adult (18+) clients in the areas of mood, anxiety, grief and loss, and adjustment to significant life changes.
Dr. Leonhart has a particular interest in working with individuals experiencing obsessive-compulsive disorder (OCD), posttraumatic stress, and operational stress injuries.
He has gained experience providing assessments and psychotherapy to individuals from diverse backgrounds and identities, addressing a wide range of concerns including anxiety, mood disorders, obsessive-compulsivity, trauma, and life stressors. His clinical experience spans a variety of settings, including private practices in Montreal, Waterloo, and Ottawa, as well as a campus clinic at the University of Waterloo (Campus Wellness).
Additionally, he has worked in inpatient and outpatient settings, including:
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McGill University Health Centre (General Hospital / OCD Clinic)
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Homewood Health Centre (Traumatic Stress Injury & Concurrent Disorders Program)
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McGill University Health Centre OCD Clinic and CBT Unit (outpatient programs)
Dr. Leonhart views clinical work as grounded in the science of how and why people think, feel, and act. He approaches therapy with empathy, warmth, and nonjudgment, tailoring interventions to each individual’s unique experiences, beliefs, and patterns of thinking, feeling, and behaving.
He works collaboratively with clients to help them understand the underlying causes of problematic patterns and develop healthier alternatives. Over time, clients are encouraged to take an increasingly active role in their growth, learning to interpret and respond to situations more adaptively.
His goal is to help clients feel less distressed, improve their well-being, and return to doing what matters most to them.
