Meet our Psychologists
Kerstin, Hayley, Benji, Natalie, Michelle, Tiffany, Arielle, Kathryn and Ashleigh entered the field of psychology due to a deep passion and commitment to helping people better understand themselves and create lasting and meaningful change.
Our mission is to provide clarity through high-quality neuroaffirming psychological assessments - with a focus on Autism, ADHD, Giftedness and Cognitive functioning. Whether you’re seeking answers for a child, teen or adult, we’re here to offer insights that lead to greater self awareness, stronger support systems and a clearer path forward. We take an intentional, and evidence based approach supporting clients and their families at every stage of the journey.
Kerstin Anderson-Ridge
(she/her)
Principal Clinical and Counselling Psychologist
Kerstin is the principal and founder, she established Psychwest with a clear intention: to offer high quality, accessible assessments and provide support in a way that feels empowering and Neuroaffirming.
She believes that clarity through assessment can create meaningful direction for clients and their families. Psychwest was built to be space where people feel understood, respected and equipped with a clear path forward.
Kerstin also mentors other psychologists to build sustainable, profitable practices.
Hayley Moulton
(she/her)
Clinical & Operations Lead
Registered Psychologist
Hayley is an empathic psychologist who uses a client-driven, collaborative, and holistic approach to therapy. She believes that therapeutic change must be based on a trusting and empathic therapeutic relationship and she works to provide a space where her clients feel safe and heard. She implements evidence-based interventions to help facilitate change and insight.
With a special interest in Autism assessments for children and adults, as well as combined ADHD and Autism assessments, Hayley is passionate about helping clients gain clarity and direction through comprehensive assessments.
She also supports clients experiencing depression, anxiety, relationship challenges, sexuality, gender diversity and life transitions, and am trained in EMDR.
Michelle Ooi
(she/her)
Team Leader
Registered Psychologist
Michelle is a registered Psychologist who utilises a gentle and personalised approach to therapy. She conducts sessions at the client’s pace to promote expression, insight and learning. She provides a comfortable and non-judgemental space for a diverse range of clients, including gender-diverse, neurodivergent, and culturally diverse populations. Michelle has extensive experience in the disability sector, and years of experience working with a variety of clients.
She is experienced in providing Autism, ADHD and combined Autism/ADHD assessments for both children and adults.
Michelle’s areas of interest include anxiety, depression, trauma, relationship conflict, difficult life transitions in young adulthood, self-esteem, and gender dysphoria. She uses a combination of evidence-based interventions including Cognitive Behaviour Therapy (CBT; including trauma and mindfulness based) and Acceptance Commitment Therapy (ACT).
Tiffany Foster
(she/her)
Clinical Psychologist
Tiffany is a clinical psychologist that provides a genuine, down-to-earth and empathic space for you to explore your concerns, and express yourself authentically in life. She will assist you in identifying goals that are important to you, and tailor evidenced-based interventions to bring about real change unique to each individual.
She has a special interest in providing ADHD and Autism assessments for adults and teens, and is very experienced in trauma/PTSD.
Additionally, she works with adults (18+) across a range of presentations, including anxiety, depression, self-esteem/identity concerns, OCD, emetophobia, LGBTQIA+, relationships, sleep, and ADHD. Tiffany draws upon DBT, Schema therapy, Imagery rescripting, attachment, CBT, Trauma informed-CBT, and ERP.
Natalie Pickles
(she/her)
Registered Psychologist
Natalie is a psychologist who offers a caring and non-judgemental space to explore client concerns. She aims to build a strong collaborative therapeutic relationship to support clients to meet their individual needs.
She uses a range of evidence-based interventions such as Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT) and Internal Family Systems (IFS).
Natalie use a strengths-based approach to work with older children, adolescents and young adults. Her areas of interest include anxiety in young women, depression, emotional dysregulation and behavioural concerns in children and adolescents.
She also provides assessment of ADHD, Specific Learning Disorders, Giftedness and Autism to clients of all ages.
Natalie is on maternity leave until March 2026. She is not accepting new clients or assessments at this time.
Ashleigh Bell
(she/her)
Registered Psychologist
Warm, empathetic, and down-to-earth, Ashleigh believes that trust is at the heart of every strong therapeutic relationship. Known for her non-judgemental and personable approach (and for sharing a laugh when it helps lighten the moment), she creates a safe and supportive space for clients of all ages.
She is very experienced in assessment and intervention for Autism, ADHD and combined Autism/ADHD assessments for children.
Ashleigh has a particular passion for learning about how the brain works through psychological assessments and is highly skilled in the diagnosis of ADHD, Specific Learning Disorders (including dyslexia, dysgraphia, and dyscalculia), and Autism. Her assessments are comprehensive, strengths-based, and tailored to help individuals better understand themselves and their support needs.
As a trained EMDR therapist, she also works with trauma, as well as presentations such as anxiety, depression, self-esteem issues, and interpersonal challenges.
Benji Iriks
(they/him)
Provisional Psychologist
Benji is a provisional psychologist who provides a gentle, supportive and compassionate approach to therapy and assessment. They believe in creating a collaborative and safe environment for clients and uses a person-centred perspective to assist individuals and families in utilising their strengths to deal with complex issues and emotions.
Their own intersectional experience helps provide a unique insight and empathy to support clients through their therapeutic journey.
Benji’s main areas of interest include gender identity, Autism assessments, ADHD assessments, and combined ADHD/Autism Assessments for teens and adults.
He works with clients across the lifespan including children, adolescents, and adults. Their other areas of interest include anxiety, depression, and chronic illness. Benji is also trained in Schema Therapy.
Kathryn Wilson
(she/her)
Provisional Psychologist
Kathryn is a provisional psychologist who provides a considered and empathetic approach to client care. She is passionate about providing client centred compassionate care, and ensuring the therapeutic process is tailored to individual needs. She aims to create a space where clients can feel comfortable to express themselves openly. Kathryn employs an evidence-based approach to achieve client goals and utilises methods from CBT.
She is experienced in providing Autism, ADHD and combined Autism/ADHD assessments for both children and adults.
Kathryn works with clients of all ages. Her areas of interest include anxiety, depression, relationship issues, OCD, stress, self-esteem issues, and sleep. She is also interested in cognitive assessments.
Arielle Cooper
(she/her)
Provisional Psychologist
Arielle is a provisional psychologist who brings a warm and empathic approach to therapy and assessment. She has experience working across the lifespan and tailors each session for the individual needs of the client using a range of evidence-based interventions. She has over 13-years experience working with individuals with a disability, along with their families and carers, including as a director for NDIA.
She has a particular interest in perinatal and attachment mental health and child, adolescent and family psychology, particularly couples. Arielle is experienced in providing ADHD assessments and cognitive assessment for adults and children.
Client Care Team
Ellen Belbin & Kayla Henley
(Both she/her)
Our Vision
To be the go to practice for clients wanting assessments and therapy for Autism and ADHD, so we can support clients to thrive and overcome life’s challenges.
Our Mission
Our mission is to support you to thrive. We do this by assessing your unique situation to determine collaboratively where changes need to be made so we can help you create more balance and live life to the fullest.