Clinical Psychologist

Bio and Professional Experience

Clinical Psychologist and Board Approved Supervisor 

Isabelle Tombleson is an Endorsed Clinical Psychologist and Board Approved Supervisor, dedicated to delivering comprehensive psychological care and evidence-based interventions tailored to individual mental health needs.

She holds a Master of Psychology (Clinical) from Western Sydney University and a Bachelor of Psychology (Honours – Class 1) from the University of New England. Isabelle has advanced expertise in evidence-based group therapies, including Dialectical Behaviour Therapy (DBT), Cognitive Behaviour Therapy (CBT), Schema Therapy, and specialised Drug and Alcohol interventions within community health settings. Her extensive experience in substance use disorder treatment, coupled with a deep understanding of co-occurring mental health conditions, enables her to address complex clinical needs effectively.

The high prevalence of comorbidity in substance use disorders highlights the importance of her dual-focused approach. Isabelle’s technical expertise, combined with a client-centred approach, ensures her interventions are both effective and empathic. In addition to her clinical work, Isabelle co-hosts a podcast where she shares insights on key topics in psychology and supervision, further contributing to the field through education and discussion.

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As a supervisor, Isabelle is committed to developing the professional excellence of aspiring psychologists through rigorous, tailored mentorship. She provides precise guidance that enhances clinical skills and strengthens professional identity.

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Isabelle’s supervisory approach extends beyond symptom management, instilling a deep understanding of each client’s clinical profile. She equips supervisees with the expertise necessary for evidence-based practice, ensuring they are well-prepared to contribute meaningfully to the field.

Education

Professional Education and Clinical Expertise

Master of Psychology (Clinical) from Western Sydney University

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Bachelor of Psychology (Honours – Class 1) from the University of New England

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Brief Solution Focused Therapy Certification

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EMDR (Eye Movement Desensitisation and Reprocessing) Basic Training

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Schema Therapy Course 1 Basic Training

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Imagery Rescripting Training for Trauma

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Certificate in Family Systems Therapy from Sydney Family Therapy Training Institute