DIRECTOR
Clinical & Counselling Psychologist

Liezl is a Clinical and Counselling Psychologist and the Director of Excelsis Psychology. She works extensively with children, adolescents, and families, providing comprehensive assessments and evidence-based therapy. Her areas of focus include anxiety, depression, behavioural challenges, school difficulties, ADHD, trauma, and autism.

Liezl combines clinical expertise with warmth and creativity, tailoring her approach to each child’s developmental needs. She is passionate about empowering families to strengthen their connections and to support children in reaching their potential. Outside of her practice, Liezl enjoys spending time with her family and exploring new projects that promote resilience and wellbeing.

CLINICAL DIRECTOR
Clinical Psychologist

Amanda is the Clinical Director at Excelsis Psychology and an endorsed Clinical Psychologist with over 20 years of experience. She provides comprehensive assessments for ADHD, autism, learning differences, giftedness, and school readiness. With a Graduate Certificate in Autism Diagnosis from the University of Western Australia, Amanda ensures that families receive accurate, practical insights to guide support and intervention.

She offers therapy for children, adolescents, and families, with a focus on anxiety (including OCD), depression, ADHD, and complex presentations. Known for her warm and compassionate style, Amanda tailors her interventions to each child’s needs while supporting parents to navigate challenges with confidence. She is passionate about seeing children thrive both at home and in school.

Provisional Psychologist

Aleksandra is a provisional psychologist who provides therapy and assessments for children and families. She offers evaluations for autism, ADHD, and learning differences, and translates results into clear, practical recommendations for home and school. With a PhD and a Master’s degree in Clinical Psychology, Aleksandra combines advanced academic training with international experience across Europe, the Middle East, and the United States.

Her therapeutic work draws on strengths-based approaches such as ACT and CBT, always adapted to the needs of the child and family. Aleksandra is passionate about ethical, collaborative care and enjoys supporting families from diverse cultural backgrounds. She offers sessions in English and Polish and brings warmth, compassion, and cultural sensitivity to her work.

Clinical Psychologist

Simone is a Clinical Psychologist with extensive experience supporting children, adolescents, and families. She is passionate about working with neurodivergent young people and is highly regarded for her expertise in early intervention, and ongoing support. imone is known for her warm, compassionate, and non-judgemental style, creating a safe and supportive environment for families to feel understood and empowered.

Her areas of focus include autism and neurodiversity, anxiety (including OCD, social anxiety, selective mutism, and panic), depression, school refusal, sleep difficulties, behavioural and social challenges, parenting stress, and emotion regulation. She draws on evidence-based approaches including CBT, ACT, mindfulness, and systemic family therapy, always tailoring her work to the needs of each child and family.

Psychologist

Catherine is a registered psychologist with experience working with children, adolescents, and families in schools, community services, and private practice. She provides therapy and assessments for a wide range of concerns including anxiety, depression, ADHD, autism, behavioural challenges, and learning difficulties. Catherine is known for her warm, approachable style and her ability to create a safe space where children and families feel supported and understood.

Her therapeutic practice integrates CBT, ACT, Positive Behaviour Support, and family-focused strategies, always tailored to the unique needs of each child. Catherine values collaboration with parents and schools to ensure consistent support across home and learning environments. She is passionate about helping young people build confidence, resilience, and healthy coping strategies, and is dedicated to empowering families with practical skills to navigate challenges together.

Psychologist

Ellen is a Psychologist who works with children, adolescents and families. She supports clients with anxiety, depression, trauma, PTSD, emotional regulation difficulties, learning difficulties, parenting challenges, relationship issues, sleep concerns, Autism and ADHD-related support.

Ellen has a background as a school psychologist and extensive experience supporting neurodiverse children, including children with Autism and ADHD. She is especially passionate about Play Therapy and creative, child-centred approaches that help children express themselves, process emotions and build resilience in a developmentally appropriate way.

Ellen draws on evidence-based approaches including Play Therapy, Family Therapy, ACT, CBT, DBT, EMDR, mindfulness, Emotionally Focused Individual Therapy and Schema Therapy. She is known for her warm, genuine and relatable style, helping children feel comfortable, understood and supported while working collaboratively with families to strengthen communication, connection and coping.

Psychologist

Hannah is a Psychologist with a Master’s degree in Clinical Child and Adolescent Psychology. She has experience working across clinical and research settings, incl. several years in mental health research and suicide prevention. She provides services in both English and German and is known for her authentic, non-judgemental, and compassionate approach when working with children, young people, and families.

Her areas of focus include anxiety, emotion regulation, behavioural challenges, family and relational difficulties, disability and neurodiversity. She also offers comprehensive assessments for ADHD, learning disorders, disability, and giftedness. Hannah uses an integrative approach, drawing on CBT, ACT, mindfulness, play therapy, attachment-based strategies, and family therapy, always tailoring her work to the needs of each child and family. She values collaboration with parents and caregivers, ensuring a holistic and supportive approach to care.

Psychologist

George is a Registered Psychologist who works with children, adolescents, adults and families. He supports clients with anxiety, depression, phobias, panic attacks, emotional regulation difficulties, behavioural concerns, stress, adjustment difficulties, school-related concerns, Autism and ADHD-related support.

George has a background as a school psychologist and extensive experience supporting neurodiverse young people within educational settings. He has a strong understanding of how emotional, behavioural, developmental and learning needs can impact confidence, classroom participation, friendships, academic progress, family life and overall wellbeing.

George draws on evidence-based approaches including CBT, ACT, DBT and mindfulness-based strategies. He is known for his warm, thoughtful and collaborative style, helping clients feel safe, heard and understood while building practical coping skills, resilience and confidence across home, school, work and everyday life.