Psychologist & Counsellor

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Gissia Castelnoble is a highly experienced and fully qualified Psychologist with a Master degree in Psychology (Educational and Developmental), Post Graduate Diploma in Psychology majoring in children and adolescent Psychology, Bachelor degree in Arts and a Graduate Diploma in Counselling. Gissia is registered with APHRA and is a member of the Australian Psychological Society.

Gissia is an Educational and Developmental Psychologist with eighteen years of experience working with childhood, adolescent and adult mental health, resilience building and positive well-being.

Gissia will provide specialised support to clients of all ages and empower them to work through and achieve their desired goals in a caring and safe environment.

Gissia uses evidence-based clinical treatment and interventions to support her clients’ emotional growth and mental health recovery.

Gissia work within Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT) and Solution-focused Therapy frameworks, which are well-researched psychological-intervention modalities. Gissia also uses sandplay therapy to assist young children in communicating and resolving emotional, behavioural and social issues.

We Offer Evidence-Based Therapies For

• Anxiety Disorders
• Anger Issues
• Obsessive Compulsive Disorder (OCD)
• Low Self-Esteem
• Giftedness
• Learning Difficulties
• Bullying & Teasing
• Teenage Depression (Including Self-Harm)
• Depression or Mood Difficulties
• School Refusal
• Body Image & Eating Disorders
• Attention Deficit Hyperactivity Disorder (ADHD)
• Parent Management Training


Gassia is fluent in English and Spanish.