Welcome to Think Psychology Solutions

Think Psychology Solutions
Our Team




Who are we?

Think Psychology Solutions aims to provide excellence in psychological treatment and therapy. We endeavour to provide a balance between professional, evidence-based treatments and a welcoming, personal and supportive environment.


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Staff Summary

Psychologist Clinical Psych? Children
(Under 12)
(12 – 18)
Adult Older Persons Specialities / Interests / Experience
Ana Diaz Y Y Relationship counselling, gambling, alcohol issues, depression, anxiety.
Sean Dicks Y Y Y  Y Relationship counselling, family therapy, depression, anxiety.
Sarah Gosper  Y Y Y Adolescence, adults, anxiety, depression, stress, trauma/PTSD.
Vanessa Hamilton Y Y Y Y Anxiety, depression, bipolar, parenting issues and stress.
Caitlin Hammond Y Y Y Y Anxiety, depression, stress, interpersonal issues.
Jason McCrae Y Y Y PTSD/Trauma, anxiety, men, gambling, alcohol and substance use, bipolar or other psychotic disorders.
Michelle McRae Y Y Y Trauma, anxiety, adjustment to injury and illness, depression, older adolescent.
Miranda Morrissey Y Y Y Depression, anxiety, stress, body image concerns, workplace issues (including Comcare).
Elizabeth Muldoon Y Y Y Children & their parents, adolescents, anxiety related disorders, depression, sport and performance issues, personality disorders.
Melissa Nihill  Y Y Y Y Adolescents, children, anxiety, depression.
Caitlin Rees
Y Children and their families, Adults, Women and their families in the perinatal period.
Rachel Sly Y Y Y Y Adolescents, adults,  families, anxiety, depression, pain management.
Lucas Mirani Y 16+ Y Late adolescents, adults, anxiety, depression, PTSD/trauma, OCD
Georgina Lennard Y Y Depression, anxiety, stress and adjustment, Bulimia Nervosa, low self-esteem

Staff Profiles

Ana Diaz

Ana was born in Madrid, Spain, where she achieved the Bachelor of Psychology (Honours). After migrating to Australia she undertook a 4 years internship to become a Registered Psychologist in Australia.

Ana has worked for over 5 years for the ACT Govt funded Gambling Harm agency providing psychological treatment for those having difficulties with gambling and other impulse control disorders, particularly alcohol consumption and dependence, as well as treating depression, anxiety and the associated relationship difficulties. 

Ana continues to work part time at Relationships Australia where she enjoys taking a systematic therapy approach to relationship counselling. At Think, Ana helps couples to better understand and change the difficult interactions they might be having as well as connect (or re-connect) as a couple. 

Ana has experience working with Cognitive Behavioural Therapy, Acceptance and Commitment Therapy, Schema Therapy, Motivational Interviewing and Systematic Therapy for relationships. 

Ana speaks both English and Spanish.

Sean Dicks

Sean is a Clinical Psychologist with over 20 years experience. He has worked in many fields but has particular experience, training and interest in working with couples undertaking relationship counselling. His approach is to assist couples in identifying and changing some of the difficult dynamics and patterns that develop in relationships. Sean also assists families to explore relationships within the family system.

He is also currently working at Headspace Queanbeyan as a Clinical Psychologist assessing and treating adolescents and at DonateLife ACT where he assists Families who have being asked to consider organ donation after a sudden death.

Sarah Gosper

Sarah joined Think Psychology in February 2016 following completion of her clinical psychology masters at the University of Canberra. Sarah undertook her undergraduate training, including her Honours degree, at the renowned Psychology program at Macquarie University in Sydney. Sarah is a registered Clinical Psychologist, who has experience working with child, adolescent and adult clients presenting with a range of mental health issues. Sarah works part time at Think, sharing her work week with a role in community mental health.

Sarah has an interest in working with adults and older adolescents (ages 15-19) treating anxiety, depression, insomnia, PTSD, childhood trauma, relationship difficulties, and other disorders/difficulties that are commonly experienced in these age groups. Sarah is trained in Cognitive Behavioural Therapy (CBT) and Interpersonal Psychotherapy (IPT), taking an attachment approach in her therapy.

Vanessa Hamilton

Vanessa is one of the Directors at Think and as such, has been at Think since its inception.  Vanessa is a Clinical Psychologist with over 25 years experience working with children, adolescents, adults and families. She has considerable experience working in the public and private health sectors and has lectured and supervised in the University of Canberra’s Clinical Psychology program.

Vanessa provides mental health assessment and treatment for a broad range of psychological difficulties, including; anxiety, behavioural, emotional, mood, parenting and trauma/stress related disorders. She is trained in evidence based practice, including CBT (cognitive-behavioural therapy), ACT (acceptance and commitment therapy), IPT (Interpersonal Psychotherapy) and attachment based interventions.

Vanessa has recently taken on addition work and is stepping away from clinical practice to establish the new Canberra Head to Health Centre and as such is no longer available to see clients.

Caitlin Hammond

Caitlin is a Clinical Psychologist who completed her Honours and Masters in Clinical Psychology at the University of Canberra part time while continuing to work as a public servant at the Department of Human Services. During her training, she provided therapy at the University Psychology Clinic, a mental health community setting as well as private practice.

Her experience as a Psychologist includes working at a Canberra based non-for-profit community organisation and in private practice prior to commencing at Think, providing psychological treatment to adults and adolescents and their families who are experiencing mental health disorders.

Caitlin is passionate about working with clients who are experiencing a range of mental health issues, including anxiety, depression, stress and interpersonal issues. She believes the therapeutic relationship is vital and therapy should be tailored to the needs of each client.

Caitlin primarily uses Cognitive Behavioural Therapy and her interest and skill with Acceptance and Commitment Therapy continued to grow while she completed the clinical registrar program.

Jason McCrae

Jason is a Clinical Psychologist and Director at Think and has been working in Private Practice since 2006. Prior to commencing at Think he worked at Lifeline Gambling Care, the ACT Academy of Sport and the Australian Institute of Sport. He also completed clinical work with Mental Health ACT as part of his training and has been a consultant for the AFL Players Association.

Jason works primarily with adults although also sees older adolescents, particularly men. He is experienced working with most areas of clinical psychology including anxiety, substance and alcohol abuse and dependence, mood and adjustment disorders.

Jason has particular interest in gambling and gambling related harm, alcohol dependence and abuse, trauma (PTSD), anxiety disorders (panic attack, generalised anxiety), and adjustment and stress related disorders.

Jason has recently taken on addition work for the Canberra Head to Health Pop Up Hub. In order to focus on this, he has significantly reduced his hours and is not taking on new clients at this time.

Michelle McRae

Michelle has been a registered Psychologist for close to 20 years following her graduation from a dual Masters degrees in Psychology at the University of Wollongong. She has worked as a Psychologist and coordinator in Epworth Hospitals’ (Melbourne) pain management programs, as a workplace rehabilitation consultant and for the past 9 years as a private practice Psychologist at the Brisbane Counselling Centre in Queensland.

Michelle has a variety of skills and experience in a broad range of psychological areas but has particular interest and experience in trauma management (including the use of EMDR – Eye Movement Desensitisation and Reprogramming therapy), anxiety and panic disorder, adjustment to injury and illness (including pain and chronic injury, cancer and other major medical conditions), depression and stress management. Michelle also has developed an interest in fertility/infertility counselling and assessment/counselling for surrogacy. Additionally Michelle has particular experience in ecounselling providing remote counselling via Skype/phone etc

Michelle’s experience and interest is primarily with adults, older persons and older adolescents.

Outside of work Michelle has relatively recently returned to Canberra and is enjoying being back in her home town. We’re not mentioning the cold weather!

Elizabeth Muldoon

Liz has practiced as a registered Psychologist since 2009. After taking some time out from study to focus on developing her skills as a psychologist, Liz returned to university in 2013 to complete her Masters in Clinical Psychology.  She has now completed this degree and is undertaking the final stages of the endorsement program to become a clinical psychologist.

Liz has interests in working with general clinical psychology issues across the age span including with children, adolescents and their families. She has experience in treating a wide range of psychological difficulties including anxiety related disorders, post-traumatic stress disorder, sport and performance issues, personality disorders, and somatic disorders. She has undertaken training in Cognitive Behavioural Therapy, Acceptance and Commitment Therapy and Dialectical Behaviour Therapy. Liz currently works in private practice at Think Psychology Solutions. Prior to this she worked for the NSW Health Service in community mental health. Liz also works on a casual basis for Charles Sturt University.

Please note Liz is currently on extended leave.

Caitlin Rees

Caitlin completed her Masters in Clinical Psychology at the Uni of Canberra in 2017, and in February 2020 she joined the Think PS team. Caitlin has been, since 2007, a Registered Nurse having worked in various locations such as Royal Prince Alfred Hospital Intensive Care services, Duntroon Health Centre and the Belconnen Mental Health Team (as a Registered Nurse). Caitlin increasingly found herself drawn to working with mental health and Psychology and so undertook the undergraduate and Masters programs required to become a Registered Psychologist.

As a Psychologist Caitlin has practiced at headspace Queanbeyan, the Belconnen Mental Health team and ACT’s Child and Adolescent Mental Health service. She has an excellent ability to build rapport with both children and adults and is available to work with adolescents and their families, as well as individual adults. Additionally Caitlin has an interest in working with women and their families in the perinatal period (prior to conception, during pregnancy and the first two years of the babies life). Caitlin is a fully registered Psychologists who is currently undertaking the clinical endorsement program.

Lucas Mirani

Lucas completed the Master in Clinical Psychology program at the Australian National University (ANU). During his training, Lucas provided evidence-based psychological interventions at the Research School of Psychology’s Clinic at ANU, in a public mental health setting at Headspace in Queanbeyan, and also, in a private practice setting here at Think Psychology Solutions.

Lucas has worked across a broad range of areas in mental health, including as a Residential Care Worker at Premier Youthworks, a Telephone Crisis Operator at Lifeline, and an Applied Behavioural Analysis (ABA) therapist.

Lucas strongly believes in the importance of developing an excellent relationship with his clients and providing a safe and secure space so that clients can experience growth and reduce suffering. He is open to seeing older adolescents and adults, and has experience in assisting people with anxiety, depression, post traumatic stress disorder (PTSD), obsessive-compulsive disorder (OCD), and trauma-related difficulties.

As an evidence-based practitioner, his practice is primarily informed by the following approaches: dialectical behaviour therapy (DBT), acceptance and commitment therapy (ACT), cognitive behavioural therapy (CBT), interpersonal therapy (IPT), and attachment- and trauma-informed interventions.

Rachel Sly

Rachel is a clinical psychologist with experience working across the lifespan with children, adolescences, and adults.  She has worked with a range of mental health issues and takes an evidence-based cognitive behavioural approach with her clients.  She brings her training and experience in trauma-informed therapies, schema therapy, interpersonal therapy, acceptance and commitment therapy, attachment, and self-compassion into her work with clients.  Rachel has experience facilitating a range of group education programs for adults and children, including groups focussed on mood and anxiety management, mindfulness, sleep, pain, and parenting (Tuning into Kids).

Rachel completed her Master of Clinical Psychology at the University of Canberra and joined the Think team in 2016.  She works part-time and brings a range of life and professional work experience to the fabulous Think team.  Rachel has a particular interest in working with adults.

Georgina Lennard

Georgina is a Clinical Psychologist who completed her Undergraduate and Honours studies at The Australian National University, before relocating to Brisbane to pursue a Masters in Clinical Psychology. She has since returned to Canberra and joins Think on a part-time basis.

Georgina has experience in working across a diverse range of public and private settings, including The University of Queensland Psychology Clinic, Child and Youth Mental Health Services, Adult Community and Inpatient Mental Health Services, The Queensland Children’s Hospital Emergency Department, and private practice.

Georgina works with adults (18+) and is particularly passionate about supporting young adult populations. She has a special interest in the treatment of anxiety and mood disorders, bulimia nervosa, adjustment to life transitions, insomnia, and low self-esteem. Georgina’s preferred treatment modality is Cognitive Behavioural Therapy.

Miranda Morrissey

Miranda is an experienced Clinical Psychologist having completed her Masters degree at the University of Canberra in 2007. She initially worked in occupational settings including Comcare (EML) funded workplace rehabilitation and Defence Recruiting before transferring to private practice and Think in 2014.

Miranda completed her clinical endorsement in 2018 following a period of maternity leave.

Miranda works 3 days per week at Think, primarily with adults, however, also has an interest in assisting adolescents and their families. She has a strong background in workplace related issues and conditions and has particular interest in bipolar disorder, working with those who have experienced trauma and working with men.

Miranda primarily works from a Cognitive Behavioural therapy perspective also utilising Acceptance and Commitment Therapy, Schema Therapy and Interpersonal therapy approaches.

Please note Miranda is currently on extended leave.

Melissa Nihill

Melissa is an experienced Clinical Psychologist having commenced at Think in March 2013 following the completion of her Masters of Clinical Psychology at the University of Canberra. Mel splits her time between Think and an ongoing involvement in Community health settings, including previous experience working with the ACT Child and Adolescent Mental Health Services (CAMHS).

Melissa enjoys working with all people across the lifespan, with a specific interest in young people (particularly ages 16-25), and supporting parents, including new parents in the perinatal period, and those with young children and primary school-aged children.

Melissa endeavours to create a good therapeutic relationship to assist clients making change and is experienced in Interpersonal Psychotherapy, Cognitive Behavioural Therapy and Acceptance and Commitment Therapy. She takes an attachment-informed approach,  when working with people who have experienced trauma including developmental trauma,  adolescents and young people.

Dr Emma Adams – Psychiatrist

Dr Emma Adams is a psychiatrist specialising in perinatal and infant mental health. She also sees general adult psychiatry, in particular anxiety disorders, mood disorders and trauma and PTSD in first responders and other situations. She has an interest in sexual and gender health and the interface of medical conditions with psychiatry as well as doctor’s mental health.

Dr Adams grew up in country NSW. She studied medicine at the University of Queensland and trained in emergency medicine for a time before switching to psychiatry. She is an advocate for not only the biological and psychological aspects of health, but also the social, cultural, community and environmental aspects of social and emotional wellbeing.

Dr Adams has been in psychiatry for over 25 years over many settings and services in Australia and in Canada. She returned to private practice after an 18-month sabbatical spent in the bush and writing. She consults at Think Psychology Solutions 2 days a week.

Please note Dr Emma Adams has indefinitely closed her books due to high client load.

Dr. Jarrod Holst – Child and Adolescent Psychiatrist

Dr Holst is a Consultant Psychiatrist with considerable experience and expertise working with the full spectrum of mental health disorders presenting across the lifespan. Dr Holst has a sub-specialisation in Child and Adolescent Psychiatry.  Dr Holst works with people aged from infancy to early adulthood and their families, with a focus on working towards returning to functioning well and enjoying life.

Dr Holst complete his psychiatry training in Melbourne, before working as a consultant at the Royal Children’s Hospital.  He completed his medical training at the University of Western Australia. Since 2018 Dr Holst has been working in private practice here at Think.

Dr. Meredith Whiting – Psychiatrist

Psychiatrist Meredith Whiting works from a room at Think Psychology Solutions four days a week. Meredith undertook her Psychiatry training in Canberra and Sydney. She was awarded the NSW Institute of Psychiatry Special Training Fellowship in 2005 when she undertook work in the Northern Sydney Sexual Assault Services and the Royal North Shore Hospital High Risk Antenatal Service. She has since spent time in the ACT Public Mental Health Service and in Private Practice with a special interest in Perinatal work and sexual assault survivors.

Having a Psychiatrist such as Meredith at Think is invaluable as it allows for, where necessary and appropriate, a team based approach to a client’s treatment between Psychiatrist and Psychologist. Meredith does not bulk bill but can make allowances for financial difficulty.

Dr. Louise Stone – GP

Dr Louise Stone is a General Practitioner (GP) with extended skills in mental health, who works with patients across the lifespan.  She has led master’s program in GP psychiatry and has extensive clinical, research and teaching experience in mental health care. Dr Stone completed her PhD exploring the management of patients with medically unexplained symptoms and sees many patients with mixed emotional and physical symptoms.

Dr Stone will be offering longer appointments to patients who have mental health needs and would benefit from review, perhaps while waiting for psychiatric care. If you would like to see Dr Stone, no referral is necessary! However, she would welcome the input from your treating GP and is happy to liaise with them to optimise patient care.

Student Psychologist

We have a student psychologist, Natalie Menezes, starting at the beginning of September. She will be working Monday and Wednesday, seeing children aged 5-12 and adults (25+). Natalie is a provisional psychologist, currently in her final year of the Master in Clinical Psychology program at the Australian National University (ANU). During her training, Natalie has provided evidence-based psychological interventions at the Research School of Psychology’s Clinic at ANU and in a public mental health setting at Headspace in Queanbeyan.

Natalie has worked as a high school teacher in the ACT public school system, where she gained valuable experience working with adolescents. Natalie has also worked as a Telephone Crisis Operator at Lifeline ACT. Natalie has experience working across the lifespan with children, adolescents, and adults and she is passionate about working with young people (particularly under 12 years of age) and their families. Natalie primarily works from a Cognitive Behavioural Therapy (CBT) perspective whilst also utilising Acceptance and Commitment Therapy (ACT).

Fees are significantly lower for student sessions. If you are interested, please contact the practice.


Referrals can be made directly to an individual psychologist or a general referral to the practice. Our reception staff will take a brief intake assessment with the patient over the telephone, to ensure an appointment is booked with an appropriate psychologist and/or with a medical practitioner, within a suitable time-frame.