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Mr Brad Marshall

Principal Psychologist

Director of The Screen & Gaming Disorder Clinic

​B.A. Psych, M.HSc. Beh Sci, Assoc MAPS

Brad has been working with children, adolescents and families since 2006. Once completing his undergraduate studies at Macquarie University, Brad accepted a position in the U.S.A. treating children and adolescents experiencing extreme behavioural difficulties. Brad then returned to complete his master’s degree at the University of Sydney.

Prior to establishing Northshore Kidspace, Brad held positions at the University of Notre Dame Australia and in various public hospitals including Royal North Shore, Bankstown and Ryde (Child and Adolescent Mental Health Service). Brad has focused on working closely with parents and families. He specialises in assessment, diagnosis and treatment of children, adolescents and young adults with a wide range of psychological, emotional and behavioural difficulties. Brad utilises evidenced-based therapies in the treatment of children, adolescents and their families.


Brad’s areas of interest for children and teenagers are:


- Gaming Disorder

- Problematic Internet/Screen use

- Anxiety

- Depression

- Attention and Concentration difficulties (ADHD/ADD)

- Autism Spectrum Disorders (ASD)

- Learning Difficulties

- Bullying and Social Difficulties

- School/HSC related Stress

The Screen & Gaming Disorder Clinic

Brad is recognised as one of Australia’s leading experts in excessive internet use or ‘Internet Addiction’ otherwise known as Gaming Disorder and related disorders. As the Director and Founder of The Screen & Gaming Disorder Clinic; Australia’s first established specialty clinic, he is a well-respected presenter and speaker on the topic, frequenting schools and parent seminars. He has also collaborated with the Network for Internet Investigation and Research Australian (NIIRA).

Speaking and Book


Brad’s most recent project “The Unplugged Psychologist” provides tips and strategies to parents in conjunction with the recent release of his book “The Tech Diet for Your Child and Teen” published by HarperCollins. The book has now been released in over ten countries around the world.


Brad is a well-respected guest speaker delivering seminars for students, parents, educators and corporate audiences on finding a balanced Tech Diet at home and school. Brad provides a common sense, humorous and practical voice on complex parenting topics. For more on Brad’s book and speaking engagements please visit

Contact and Booking Information


Existing Patients


Existing patients are welcome to contact Brad's staff to change appointments or for enquiries:


PHONE: 02 8287 1242

FAX: 02 8823 1860



New Patients

Please be aware that Brad's wait list for new patients is very lengthy, and you will be offered the next available assessment slot. This time fluctuates with demand, but this is routinely a 4-6 month wait. 

Brad only accepts referrals for the Screens and Gaming Disorder Clinic, not general child psychology referrals. 

Brad only accepts “self-managed” NDIS plans

To make a referral to see Brad in the Screens and Gaming Disorder Clinic, please use the form below:

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