Thrive Psychology

Staff Profiles


Caitlin Lewthwaite

Caitlin Lewthwaite

B Science (Psychology) (Hons)

Caitlin is a Registered Psychologist who completed a Bachelor of Science (Psychology) (Honours) at the Australian National University. Caitlin has experience helping people work through personal issues, family issues, and supporting people through career transitions and workplace conflict. Caitlin also has experience working with people with intellectual disabilities, and those who have suffered from bullying and harassment.

Caitlin has training in conflict resolution and advanced training in suicide prevention. Caitlin uses Cognitive Behaviour Therapy, and techniques from Motivational Interviewing, Rational Emotive Behaviour Therapy, and Mindfulness with clients. She has a keen interest in assisting people suffering from anxiety and depression, and is client-centred in her approach. Caitlin’s aim is to support her clients to manage their issues independently and achieve their goals.

Henry Johnson

Henry Johnson

B Psych, Grad Dip Edu

Henry is a Registered Psychologist who holds a Bachelor of Psychology and a Graduate Diploma of Education from James Cook University, Townsville. Henry is currently working in our Canberra Office and incorporates elements of Cognitive Behavioural Therapy, Acceptance and Commitment Therapy, Motivational Interviewing, and Solution-Focussed Brief Therapy into his treatment.

After a brief career as a teacher, Henry now works to assist adults in treating mood disorders, anxiety-related disorders, some eating disorders, and chronic pain. Henry has a strong client focus and works compassionately, logically, and with a strong ethical foundation to help clients solve problems and improve their lives. Henry also has experience in conflict resolution, career transition, and in counselling people with a wide range of severe psychological disabilities.

John Ahern

Bachelor of Arts (Honours) in Psychology (BA)
Masters (MSc.) in Psychological Science (Clinical)

John is a Registered Psychologist with AHPRA who holds a Bachelor of Arts Psychology (Honours) degree and Masters (MSc.) in Psychological Science (Clinical) from the University of Limerick. John is a member of our Sydney Thrive Psychology team. Originally from Ireland, John completed a one-year internship in the Irish health service working across multiple settings from adult, child and adolescent, disability and older adult clients with mental health conditions. It was in this time John gained experience of using Dialectical Behavioural Therapy (DBT) in both individual and group intervention programs for adults. Further to that, John is big on finding what is unique to every individual using a warm person-centred therapeutic approach.

Josh Forbes

BPsych, Assoc MAPS

Josh is a Registered Psychologist who has been with Thrive Psychology Griffith since 2018. Josh holds a Bachelor of Psychology from Charles Sturt University (CSU).

Josh believes in the importance of providing evidence-based treatments to support clients achieve their goals. Josh works with clients across the lifespan. He uses a variety of treatment interventions which include Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT), Interpersonal Psychotherapy (IPT), Dialectical Behavioural Therapy (DBT) skills, and Mindfulness. Josh has experience with a variety of presentations including anxiety disorders, mood disorders, anger management, grief and loss, interpersonal difficulties, and trauma.

Kayla Wesley

Kayla Wesley

BA Psychology & Criminology, BA (Honours) in Psychology and MSc in Health Psychology

Kayla is a Provisionally Registered Psychologist working in Canberra. Kayla completed her Master’s degree at Aston University in the United Kingdom. Kayla has experience assisting people with anxiety, drug and alcohol dependency, depression, stress, interpersonal issues, family issues, trauma and psychological disabilities. This experience has led to interest in depression and anxiety related disorders and Post-Traumatic Stress Disorder (PTSD).

Kayla has completed training in; Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT), Applied Suicide Intervention Skills Training (ASIST), motivational interviewing and mindfulness.

Leah Roscoe

BSc Hons Psych

Leah Roscoe is a Registered Psychologist, working with Thrive Psychology since 2014. Following her graduation from Glasgow University with Honours in Psychology, Leah began working in Edinburgh. Leah worked predominately with children with a history of trauma, developmental delay and behavioural issues; however she also provided psychological interventions to adult clients diagnosed with anxiety disorders and depression.

Since beginning at Thrive Psychology Leah has provided therapeutic interventions to clients across the lifespan using strategies drawn from Cognitive Behaviour Therapy, ACT, Mindfulness, and Psychoeducation to clients.

Lucy Cowen

Bachelor of Psychology (Honours), Bachelor of Commerce, Master of Psychology (Clinical)

Lucy is a Registered Psychologist currently working at Thrive Psychology in Wollongong. Lucy holds a Masters of Psychology (Clinical) from the University of Wollongong. Lucy was trained to work with a wide variety of clients, including children, adolescents and adults. She utilises a range of evidence-based therapies including cognitive-behavioural therapy (CBT), acceptance commitment therapy (ACT) and dialectical behavioural therapy (DBT).

Lucy supports clients to achieve their goals and live more meaningful lives using strategies individualised for each person. She has particular experience and interest in working with clients who have experienced trauma, and clients with mood and adjustment disorders.

Lucy is a recognised provider of NDIS, Medicare, and WorkCover services.

Matthew Taylor

BSoScPsy BA (Hons) Psy
Registered Psychologist

Matt works with clients of all ages undertaking individual, relationship and family counselling. His experience comes from working in a variety of settings including community based practice, private practice and primary and secondary schools. Matt works with a range of mental health issues including anxiety disorders, mood disorders, trauma, personality and identity, interpersonal and behavioural difficulties and childhood developmental disorders including Autism and ADHD. Matt is able to offer a range of cognitive and behavioural assessments for both children and adults.

Matt’s ability to conceptualise core issues and provide this in plain language helps clients put talk therapy into practice. His strength in building a relationship quickly paired with a direct yet humanistic approach puts clients at ease and in a position to self-manage their issues in both a timely and sustainable way.

Melanie Taylor

BSc(Psych) GradDipSc(Psych) MAppSc(Coach Psych) MAPS

Mel has been a fully registered psychologist since 2005 and is a Member of the Australian Psychologist Society. She has a Bachelor of Science (Psychology), Graduate Diploma Science (Psychology) and a Masters of Applied Science (Coaching Psychology). She has over 16 years of experience helping people improve their mental health and wellbeing.

Mel utilises a range of treatment modalities including Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT), Motivational Interviewing, Positive Psychology and Coaching. Mel has experience providing psychological interventions for: anxiety disorders, depression, bipolar disorder, post-traumatic stress disorder, management of chronic health conditions, pain management, grief and stress management.

Mel has also worked extensively with individuals and organisations to manage workplace issues including: career management, wellbeing, conflict, workplace injury, performance issues, redundancy/redeployment, leadership development and change management.


Michelle Irwin

B Psych

Michelle Irwin is a registered psychologist who commenced working with Thrive Psychology Wyong office in 2020. Michelle holds a Bachelor of Arts (Hons, Psych) from Sydney University and completed a Diploma of Psychological Practice in 2009. Michelle has experience with assisting clients through work and life transitions as well as clinically with clients experiencing psychological distress. Michelle currently divides her time between delivering psychological services in a clinical setting and assisting clients who have experienced a workplace injury to return to the workforce. Michelle has experience working with clients who have suffered trauma to fully engage in their lives and return to meaningful work.

Michelle incorporates elements of Cognitive Behavioural Therapy, Acceptance and Commitment Therapy, Mindfulness Integrated CBT and Motivational Interviewing into her treatment. Her approach is client-centred and aims to assist clients to independently manage their mental health. Michelle has worked with clients of all ages and has a strong focus on assisting adults and teens with various psychological disturbances, including anxiety, depression, chronic pain, trauma (adjustment disorder and PTSD), work stress and assistance with relaxation.

Samantha Parsons

BSocSc(Psych)(Hons), Grad Dip Psych, BA-BCom

Samantha Parsons is a Registered Psychologist, commencing with Thrive Psychology in 2016.

Samantha began Psychology with the interest in aiding people to find lasting ways of coping and achieving overall wellbeing in their lives. Samantha draws upon the theoretical foundations of Cognitive Behaviour Therapy (CBT), Dialectical Behaviour Therapy (DBT), Acceptance and Commitment Therapy (ACT), CBT for Eating Disorders, Motivational Interviewing and change management. Samantha is interested in psychological issues of depression, anxiety, child and adolescent concerns and relationship issues.

Samantha holds a Bachelor of Social Science (Psychology) (Honours) and Graduate Diploma in Psychology from Charles Sturt University. Samantha previously completed a double degree from University of Wollongong, Bachelor of Arts (Psychology) and Bachelor of Commerce (Human Resource Management).

Skye Anderson

B.PsychSc, Grad Dip Psych

Skye is a registered general psychologist who is initially from Queensland and has been working with Thrive Psychology Wagga Wagga since 2016. She has a Bachelor of Psychological Science from Griffith University, and a Graduate Diploma in Psychology from the Australian Catholic University. Skye has a particular interest in health psychology and assisting people live more meaningful lives.

As part of the team at Thrive Psychology Wagga Wagga she is able to provide assessment and treatment of NDIS participants. Skye also provides psychological assessment and intervention to adults and children experiencing a broad range of mental health presentations including depression, anxiety, chronic pain, occupational stress, and low self-esteem.

Stephanie Smith-O’Brien

BPsychSc, DipComSer(AOD), GradDipPsychSc, MProfPsych, MAPS

Stephanie is a Registered Psychologist, based at Thrive Psychology in Albury. Stephanie holds a Bachelor of Psychological Science (La Trobe University), a Diploma in Community Services (Alcohol, Other Drugs and Mental Health; Federation Training), a Graduate Diploma in Psychological Science (Bond University), Masters in Professional Psychology (The University of New England), and is a member of the Australian Psychological Society (APS).

Stephanie draws from a variety of evidence-based treatment models to help others achieve their therapy goals including Cognitive Behavioural Therapy (CBT), Dialectical Behaviour Therapy (DBT), Acceptance and Commitment Therapy (ACT), Motivational Interviewing (MI) and Mindfulness. Stephanie has a strong interest in psychometric testing and is able to provide a range of cognitive and functional assessments.

Stephanie provides psychological assessment and intervention to adults, adolescents and children experiencing a diverse range of mental health presentations including depression, anxiety, personality disorders, bipolar disorder, grief and loss, stress management, relaxation, and other areas of people’s lives. Stephanie believes in a holistic approach to treating psychological problems and is interested in helping others improve their wellbeing, resilience, create a life worth living, and she loves animals.

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