Craig Mattocks

David Else

David was born and raised in Western Australia where he completed an Honours degree in Psychology at the University of Western Australia in Perth in 1996. He moved to Qld to complete a Masters in Sport and Exercise Psychology through the USQ and worked in elite swimming during the lead up to the Sydney Olympics.


Seeking a broader base of work experience he ventured into more clinical roles before heading overseas to play cricket in England and travel various parts of the globe. Returning to Qld in 2007, he established a private practice working with both clinical and sport clients.


More recently, David has worked with returning veterans here and in Canada helping them with the adjustment back into civilian life. David has a number of areas of special interest including obsessive related conditions, performance, trauma, relationship based issues, and how judgements of our own abilities affect performance in sport, work and life.


David completed a Doctorate of Clinical Psychology in 2015 where he investigated aspects of men’s relationship health. He currently works 2 days per week in Brisbane with the Qld Bulls cricket team, and 3 days per week in his practice with Platinum.

Karen Reid

Karen was born and raised in South Africa.  She is married with two adult children and immigrated to Australia in 2003.  Karen originally qualified as an early years teacher and then specialised in Specific Learning Difficulties.  This was followed by an Honours and Masters degrees in Educational Psychology and then ten years later a Masters Degree in Clinical Psychology from USQ, Australia. 


Karen originally worked as a teacher then moved into Learning Support, before becoming the Director of a of a multi-disciplinary team of therapists involved in the assessment and design of intervention programs for children. After immigrating to Australia and working for Education Queensland for six years, Karen started a private practice in 2009.  An area of interest for Karen is helping clients overcome the effects of trauma, adversity and neglect to lead a meaningful life.  In support of this role Karen is a registered EMDR consultant and Internal Family Systems (IFS) Level 1 trained therapist.  Karen also uses Schema, CBT, Narrative and ACT therapies to dovetail with IFS and EMDR. Besides providing supervision for training and registered psychologists, Karen is also a casual lecturer at the University of Southern Queensland.

Sari Silvonen

Sari was born in Finland and migrated to Australia as a child. Sari worked for many years as a registered nurse and midwife and has a degree in Health Science- Nursing. Following an interest in mental health she gradually moved across in to mental health care and completed an Honours degree in Psychology in 2009 through the University of Southern Queensland. Since this time Sari has worked with various public, private and non-government organisations providing mental health support/counselling.


Sari is currently studying a Master’s degree in Clinical Psychology and is an approved supervisor to other psychologist.


Sari works with a diverse range of adult clients (age 18 and over) providing individualised interventions for the treatment of: Anxiety; panic; obsessive compulsive disorder; stress; adjustment to life challenges- health concerns, grief and loss; mood disorders- depression, bipolar disorder; trauma and PTSD- including sexual assault; confidence and self-esteem; sleep problems.


All therapeutic models used by Sari are chosen based on evidence of effectiveness for the targeted disorder. Some of these are: Cognitive Behavioural Therapy (CBT), Dialectical Behaviour Therapy (DBT), Acceptance and Commitment Therapy (ACT), Trauma Focused CBT, Eye Movement Desensitisation and Reprocessing (EMDR), Schema Therapy, Interpersonal Psychotherapy (ITP), Mindfulness.


Sari works from Highfields Village Medical Centre on Tuesdays and every second Saturday.

Jennifer Smith

Jennifer attained her Honours degree in Psychology after four years of study at the University of Southern Queensland followed by two years of practical experience in the Australian Capital Territory Education Department.

Jennifer enjoys working with children, adolescents and adults and has a genuine desire to assist those seeking help.   She has experience treating a range of psychological issues including depression, anxiety, anger, panic attacks, self-harm, adjustment issues, grief, relationship problems, learning difficulties, school-refusal and trauma.


Working from a client centred approach with evidence based treatments, Jennifer uses a range of focused psychological strategies; Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT), Eye Movement Desensitisation and Reprocessing (EMDR), Solution Focused Therapy, Neuropsychotherapy, Psycho-education and other creative modes of practice.

Jennifer is registered with the Australian Health Practitioner Regulation Agency (AHPRA).


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Platinum Health Group Doctors are all leaders in their chosen fields and very highly qualified.  To help our Patients to understand the professional terminology, we have included the Qualifications Key below to recognise what the letters after our Doctor's name mean and the practicing certifications that they hold. 


FRACGP - Fellow of the Royal Australian College of General Practitioners

FARGP - Fellow of the Advanced Rural General Practice

MBBS - Bachelor of Medicine and Surgery Major



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