
Meet The Team

Samantha & Uno
Principal Psychologist
(Educational & Developmental Psychologist)
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Our principal psychologist, Samantha Hollis, is an Educational & Developmental psychologist and board approved supervisor with experience in primary and secondary schools, private and university clinic settings.
Samantha takes a client-centred and collaborative approach to therapy, working with clients, families, school staff and other health professionals. She incorporates a range of theoretical approaches and techniques dependent on the needs of the client and their family, including cognitive behavioural therapy, acceptance and commitment therapy, mindfulness, play therapy, and Animal Assisted Therapy with therapy dog, Uno.
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Samantha works with children and adolescents aged 3 – 21 years, providing therapy for a wide range of issues including;
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Anxiety & Phobias
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Low self-esteem
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Depression
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Grief
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Behavioural difficulties
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ADHD
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Autism Spectrum Disorder
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Learning difficulties
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Early intervention

Tamara
Psychologist
Tamara Zafiropoulos is a Registered Psychologist (Educational and Developmental Psychology Registrar) who is passionate about supporting people to lead meaningful lives in line with their values. She works with children, adolescents and young adults, as well as the families and other important people in a young person's network.
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Tamara takes a warm and person centred approach to therapy, integrating strategies and principles of Cognitive Behaviour Therapy (CBT), Acceptance and Commitment Therapy (ACT), Humanistic Psychology, and Attachment Theory in her practice, as guided by each client's individual needs.
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Tamara supports individuals impacted by a range issues including: ​
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Anxiety,
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Depression,
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Self-esteem,
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Grief and bereavement,
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Issues relating to life adjustment and transition,
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Social and behavioural difficulties,
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Autism Spectrum Disorder

Isabella
Psychologist
Isabella Amato is a registered Psychologist (Educational and Developmental Psychology Registrar) who brings a welcoming and empathetic approach to her practice. She is passionate about supporting children who are experiencing behavioural and social-emotional difficulties, anxiety, adjustment and trauma related difficulties, in addition to collaborating with their families. Isabella has experience working with neurodiverse children, inclusive of Attention-Deficit/Hyperactivity Disorder and Autism via a neuroaffirming, strength-based approach.
Isabella has worked with children across different developmental stages in primary schools, private and community settings. She is trained in completing cognitive, academic, behavioural and adaptive assessments with children. Isabella has experience in delivering therapy, parent psychoeducation programs, and social skills groups. Isabella advocates for and supports the individualised need of each client via evidence-based therapies and an empowering therapeutic approach.
Isabella assesses and supports children with a range of difficulties, including:
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Attention-Deficit/Hyperactivity Disorder
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Autism Spectrum Disorder
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Specific Learning Disorder (Reading, Writing, Mathematics)
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Intellectual Disability
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Anxiety, emotional, social and behavioural difficulties
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Transitions, school readiness, friendship/relationship difficulties

Natasha
Psychologist
Natasha Stoikos is a registered psychologist and an Educational and Developmental Psychology Registrar. She has experience working in multiple settings, including private practice and a range of school settings, providing psycho-educational assessments and evidence-based therapies for a range of learning, emotional and developmental concerns. These include intellectual disabilities and specific learning disorders, anxiety, OCD, depression, academic stress, Autism Spectrum Disorders (ASD), Attention Deficit Hyperactivity Disorder (ADHD), grief, and friendship and relationship issues.
Natasha is available at Seven Hats Psychology to assess cognitive functioning (IQ), attention and concentration, behavioural and adaptive functioning, specific learning disorders and executive functioning.
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This includes assessment of:
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Specific Learning Disorders (Dyslexia, Dysgraphia, Dyscalculia)
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Intellectual Disability
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Attention Deficit Hyperactivity Disorder (ADHD)
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Giftedness and Exceptionality
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School Readiness

Emily
Provisional Psychologist
Emily is a Provisional Psychologist pursuing her Masters in Psychology (Educational and Developmental) under the guidance of Samantha Hollis. She is passionate about working with children and adolescents, providing them with support, empathy, and strategies during what is a key developmental period. Emily prioritizes collaboration with parents, caregivers, and professionals to ensure optimal care. She works from a strengths-based, neuroaffirming approach, and her goal is to create a safe, non-judgmental and empowering environment for her clients. Emily is culturally informed and LGBTQIA+ inclusive in her practice.
Emily has experience in delivering intervention individually, in group settings and with parents, utilising techniques from a range of modalities including Acceptance and Commitment Therapy (ACT), Cognitive Behavioural Therapy (CBT). Emily is also experienced in cognitive, academic and adaptive assessments, as well as behavioural and emotional screeners.
Emily supports clients aged 3-21 with intervention and assessment across a variety of presentations including:
ADHD
Autism Spectrum Disorders
Anxiety and phobias
Social and emotional difficulties
Learning difficulties
Adjustment and transition difficulties

Katrina
Educational & Developmental Psychologist
Katrina Tsoutsoulis is a registered Educational and Developmental Psychologist and board approved supervisor with experience working across private and public school settings (primary and secondary) and private practice. Katrina is also a Speech Pathologist and has an interest in supporting language development.
Katrina is available to provide psycho-educational assessments to investigate learning, development and social-emotional concerns. These include intellectual disabilities, learning disorders, attention concerns, behaviour and adaptive functioning, academic stress and school readiness.
Katrina is enjoys working with young people and adolescents, and is passionate about supporting the family unit as a whole.

Areeba
Psychologist
Areeba Sadiq is a Registered Psychologist who is interested in working with young people to overcome numerous challenges presenting during the adolescent stage and assist them in developing the resiliency required to manage adversities in a warm and nurturing environment. When working with children, young people, and their families, she strives for a collaborative approach to overcome difficulties whilst complementing current strengths.
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Children and young people should experience a greater connection to their developing identity, increased confidence, and greater independence in managing their current experiences so that they can achieve a fulfilling and meaningful life. Areeba uses individualized and tailored evidence-based approaches to suit the needs of the child/young person.
Areeba is also able to provide support in Urdu to families requiring more understanding of what's currently going on for their child.
Special Interests:
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Primary school-aged children
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Adolescents
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Anxiety (Social Anxiety)
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Depression
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Relationships
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Emotional Regulation
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Personal growth & Career Development
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Working with individuals from CALD communities and/or Islamic Faith
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Assessments for Adolescents
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Group Programs
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CBT /ACT /Art Therapy/ DBT

Euna
Provisional Psychologist
Euna Catampongan is a Provisional Psychologist working under the supervision of Samantha Hollis. She is currently doing her final placement to complete a Master of Psychology (Educational and Developmental) at Australian Catholic University. Euna has worked across a variety of settings, experienced in cognitive, academic and behavioural assessments.
Euna loves working with children, adolescents and young adults, and aims to create safe spaces for them to have a better understanding about their inner world and to learn skills that help them manage the day-to-day challenges. It is Euna’s goal to work collaboratively with the young person, their family, school and other professionals and to provide clients with the tools and strategies that empower them to live life more meaningfully.
Euna provides intervention and assessment services for clients aged 3 - 21 across a variety of presentations, including:
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ADHD
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Autism
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Specific Learning Disorders
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Intellectual Disability
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Anxiety
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Social and emotional difficulties

Courtney
Provisional Psychologist
Courtney is a Provisional Psychologist working under the supervision of Samantha Hollis. She is completing her final placement as part of a Master of Psychology (Educational and Developmental) at Australian Catholic University. In her previous placements, Courtney has worked in private practice and educational settings and has experience in cognitive, academic, behavioural and adaptive assessments.
Courtney is passionate about supporting the development, wellbeing and learning of young people and aims to do so using a collaborative and strengths-based approach. She provides assessment and intervention for clients aged 3 - 21 across a variety of presentations, including:
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ADHD
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Autism
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Specific Learning Disorders
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Intellectual Disability
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Anxiety
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Social and emotional difficulties
OUR ADMIN TEAM
Molly
Serena
Erin




Seven Hats Psychology welcomes people from all walks of life, providing a safe inclusive environment for all.
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We acknowledge the Wurundjeri Woiwurrung people who are the Traditional Owners of the land on which we conduct our business. We recognise their continuing connection to land, waters and culture. We pay our respects to Elders past, present and emerging.
