A little about me

“As a warm and non-judgemental therapist, I value working in a safe, trust-based partnership to assist in exploring current concerns, and supporting each person to find the best way forward to achieve their personal therapeutic goals.”

- Dr Marion Kellenbach

Areas of interest

Eating Disorders

Personality Disorders

Anxiety and Depression

Adult ADHD

Dr Marion Kellenbach


Marion graduated from Macquarie University, Sydney, with a Bachelor of Arts (Psychology), with First Class Honours.  She then went on to complete a Doctorate in Psychology, before completing a Master of Clinical Psychology, both at Macquarie University. 

Marion enjoys working with all age groups, including children, adolescents, young adults, and adults. She draws on a range of evidence-based approaches to support her clients, including Cognitive Behavioural Therapy (CBT), Dialectical Behaviour Therapy (DBT), Acceptance and Commitment Therapy (ACT), and Mindfulness. She is also trained in the Cool Kids Anxiety Program.

Marion has worked in both community and private mental health settings and has experience with a range of presentations, including mood, anxiety, adjustment and trauma-related difficulties, adult ADHD, and family issues. Marion has a particular interest in disordered eating, and has experience working in this area in private practice. 

Marion has also worked in The Netherlands and the UK as a research psychologist, and published in academic journals. She has held positions supporting research into a range of cognitive disorders, been employed as an academic journals editor at Cambridge University Press, and tutored in psychology at Macquarie University.  

Marion is passionate about facilitating positive and meaningful psychological change, and committed to empowering individuals as the agents of their own change. As each journey is unique, Marion strives to carefully and flexibly tailor her approach to support each individual’s needs, including identifying personal strengths and developing new skills.