CBT Therapy - Our Therapists

At Cognitive Behaviour Therapy Australia we have a team of Psychologists and specialist Clinical Psychologists, all of whom are registered with the Psychology Board of Australia and are eligible for Medicare rebates.

Specialising in cognitive behaviour therapy, we offer services for a range of problems to individuals (adults, children and adolescents) couples and families.


Dr Monica O'KellyDr Monica O'Kelly

BSc (Hons), Dip Ed, MB Sc, PhD, FAPS (CClin, CEPD)

Dr Monica O'Kelly is Director of Cognitive Behaviour Therapy Australia. She is Director of the Australian Institute for Rational Emotive Behaviour Therapy and an honorary lecturer...more

Dr Tania PietrzakDr Tania Pietrzak

BSc, Grad Dip Appl Psych, Ph.D., MAPS (CClin)

Dr Tania Pietrzak has over 10 years experience working with children, adolescents, families and adults. Tania has previously worked in a range of government and educational settings.  She has a specialisation in children's health and well-being...more

Dr Kathryn Gilson Dr Kathryn Gilson

BSc (Hons), DPsych (Clin), MAPS (CClin)

Dr. Kathryn Gilson is a Clinical Psychologist at CBT Australia and an adjunct lecturer at the School of Psychology and Psychiatry, Monash University. She has experience working with clients who experience...more

Dr James Collard Dr James Collard

DPsych (Health), Grad Dip Psych, BCom / BSci, MAPS (CClin)

James has experience working with people of all ages, both individually and as couples, problems of depression, anxiety disorders, personality disorders and addictive behaviours...more


Dr James Collard

Ms Leigh Morgan

BSc, BSc (Psych Hons), MPsych (Clin), MAPS

Leigh has been working with children and adolescents and their families for more than 10 years.  She has training in clinical psychology and completed her thesis on the nature of anxiety in children with autism spectrum disorders....more

Mr Michael Wang

BSSc(Psych), PGDipPsych, MPsychClin., MAPS Psychologist (Clinical Registrar)

Michael is a psychologist with postgraduate training in Clinical Psychology. He likes to work with clients presenting with depression, social anxiety, as well as eating disorders....more


Rebecca Smith

BA, PGDipPsych, MPsych (Clinical), MAPS

When clients book in to see me, they can expect open conversations and a non-judgemental approach. I highly value working together as a team with my clients to achieve their goals, and a willingness to modify my approach to best suit the individual....more 

Ms Ana Torres

MPsych (Clinical), MAPS

Ana's clinical experiences includes working with an array of mental health issues including relationship difficulties, eating disorders, skills training, anxiety and depression...more

Laura Larkin

Psychologist Registrar, BA(Psych), GradDip(Psych), M.Psych(Clin) MAPS

Laura is a registered Psychologist with postgraduate training in Clinical Psychology who has experience working with adults, adolescents and children across diverse settings. She has worked with individuals experiencing a range of psychological issues such as depression, anxiety, grief and loss, relationship problems, trauma, emotion regulation difficulties and personality disorders...more

Mr Nathan Wilson

Psychologist, BA (Hons), BSc, D.Psych (Clinical) Candidate, MAPS (Assoc)

Nathan is a registered Psychologist and has undertaken postgraduate training in Clinical Psychology. He works with children, adolescents, and adults, and is passionate about supporting people to bring about positive changes in their own lives. Nathan has previously worked with people experiencing a range of difficulties including depression, anxiety, trauma, personality disorders, behavioural difficulties, addiction, chronic pain,and somatic disorders. Nathan also has a strong interest in the psychological treatment of sleep disorders such as insomnia...more