Doctoral-level psychology specializing in psychological & personality assessments and mood and trauma-related disorders—serving clients online across Ontario.
About us
Atrium Psychology is a doctoral-level psychology clinic based in Ontario, Canada, specializing in psychological and personality assessments, and the treatment of mood and trauma-related disorders.
We work with individuals seeking clarity, diagnostic precision, and structure—often after years of limited progress with general counselling.
Our approach is grounded in evidence, ethics, and empathy.
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We help clients uncover patterns, gain insight, and restore emotional balance through depth, structure, and compassion.
Why Atrium
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20+ years of practice directing the clinic by Dr. Zafire Fierro, PhD, C.Psych
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Team of licensed and supervised clinicians
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Research-informed, precision-based approach
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Clear, respectful communication and informed consent
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Wide variety of combined evidence based treatment choices
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Standardized diagnostic assessments
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Personalized holistic supports
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Trauma informed client care
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Multilingual services available (EN/ES/FR)
Who We’re For
For individuals whose needs go beyond general psychotherapy including complex mood concerns, trauma histories, and recurrent relational or personality-pattern challenges.
SERVICES
Psychological & Personality Assessments
​Adult Students & Adults
Comprehensive evaluations designed to understand mood, trauma, personality, and relational patterns.
Each assessment includes clinical interviews, standardized testing, and an evidence-based formulation that guides next steps in care.
Diagnostic clarification, treatment planning, and personality structure assessment.
Mood & Trauma-Related Disorders
Adults experiencing anxiety, depression, burnout, or trauma symptoms
Evidence-based assessment and therapy for individuals struggling with mood instability or trauma-related symptoms.
We integrate CBT, DBT, and trauma-informed frameworks to build emotional regulation, stability, and resilience.
PTSD, anxiety, depression, burnout, adjustment challenges.
Complex Personality & Relational Patterns
​Adults with recurrent relationship conflicts, emotional dysregulation, or identity challenges
Specialized assessment and treatment planning for personality-related dynamics and long-standing emotional patterns.
Our work explores attachment styles, coping structures, and self-concept to create lasting change.
Borderline, narcissistic, or avoidant traits; attachment trauma; codependency.
Psychological Consultation & Clinical Supervision
Professionals & Organizations
Consultation for clinicians, educators, and agencies seeking guidance on assessment interpretation, trauma-informed frameworks, or complex case formulation.
Supervision available for psychologists in supervised practice (under Dr. Fierro, PhD, C.Psych).
Case formulation, assessment feedback, ethics and diagnostic discussions.
+27
Years of supporting individuals through trauma recovery, relational healing and existential exploration
Integrative clinical experience rooted in research and aligned with humanity
Research-informed, precision-based approach
Somatic integrated Psychotherapy & Mindset training
Meet our team
Finding the right therapist matters. With a small and intentional tribe, we focus on building meaningful connections where you feel safe, seen and supported every step of the journey.
Dr. Zafire Fierro
PhD, C. Psych.,
Clinical & Counselling Psychologist | Director at Atrium Psychology
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Focus Area: Psychological assessment · Trauma and stress · Mood and emotional regulation · Personality and relationship patterns
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Population Served: Adults | Couples | Clinicians in supervision
Approach:
Dr. Fierro brings nearly 30 years of clinical experience to her work. She blends psychological assessment with a grounded, relational, and trauma-informed approach.
Her focus is helping clients understand what’s happening beneath the surface — supporting clearer insight, steadier regulation, and deeper self-connection.
Stephanie Nichols
MPsy
Masters in Psychology
Supervised Practice (awaiting registration)
Focus Area: Anxiety, Depression, Trauma, Mood disorders, NPD Emotional Regulation, Divorce Recovery, and Neurodivergence including ASD and ADHD
Population Served: Young adults | Adults
Approach:
Stephanie draws from CBT, ACT, CPT, DBT and mindfulness based therapies.
She centres her work on supporting neurodivergent adults with practical, collaborative, and strength based care.
Hanna Chisholm
MD (IMG), RN, BScN​
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Focus Area:
Physical and emotional wellness, Life Balance, Mindset Resilience, Self-Confidence, Boundaries, and Daily routines
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Population Served:
Young Adults | Adults
Approach:
Hanna supports clients in building sustainable habits, regulating stress, and reconnecting with their personal strengths and goals.
Kim Hayne
Client Care & Clinic Coordinator​
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Kim supports clients with compassion, professionalism, and care. With a background in client relations and clinic operations, she ensures a smooth experience from intake to ongoing support. As a parent of a child with special needs, she’s deeply committed to reducing barriers and advocating for accessible, respectful care.
Curious about how this process may support you?
Book a free 15-minute discovery call to explore whether this approach aligns with your current needs, or to help determine if a referral may be appropriate.
or call
Our Difference
Unlike general psychotherapy practices, Atrium Psychology specializes in complex psychological presentations—offering clarity through diagnostic precision and depth-oriented understanding.
Our clinicians don’t just listen; they map, measure, and interpret what’s beneath the surface, helping clients rebuild from the inside out.
Interested in Joining the Atrium Team?
We’re always open to connecting with licensed clinicians who share our commitment to client-centred care.
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Contact us at
Notice of Security Incident Involving Former Zafire Inc. Systems
We are sharing important information regarding a security incident that occurred in systems previously managed by Zafire Inc. during the period when the practice operated under the name Zafire Holistic Wellness (ZHW).
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This incident does not involve Atrium Psychology’s current systems, and all present clinical records remain secure.
To support our clients with full transparency, we have prepared a detailed notice outlining what occurred, the steps taken, and guidance for protecting your information.
Please review the full notice below.
Get in Touch
Our Hours
Monday - Friday 07:30AM – 9:00PM
Saturday 09:00AM – 2:00PM
