Schema Therapy Sydney – is a cooperative practice of local, Independent Sydney-Based Schema Therapists working out of Liverpool (Western-Sydney) and Summer Hill (Inner-West) Locations.
Dr. Robert Brockman, Clinical Psychologist (ISST Supervisor/Trainer)
Robert is the founder and director of Schema Therapy Sydney and has extensive experience teaching and supervising
on clinical psychology masters programs in Sydney since 2010. His clinical experience is drawn from both public (e.g. Hospitals, community mental health) and private health sector positions (e.g. private practice) in Sydney. Robert is accredited by the International Society for Schema Therapy (ISST) as a schema therapist, supervisor, and trainer. Robert is an active academic (Honorary Teaching Fellow; University of Technology Sydney). He has a major clinical and research interest in formulation and intervention with complex presentations that prove difficult to treat via standard evidence-based protocols. He is currently engaged in clinical research focusing on extending the schema model into novel populations (e.g. GAD, Eating Disorders, HIV Sufferers, Problem Gamblers, Forensic Patients, and Psychosis). Rob is currently seeing patients from our Liverpool clinic. Rob’s rate for Individual Therapy is $280 per 50-60-minute session (Medicare Rebate of $145.25 per session applies to those that have a valid mental health care plan from their GP).
Dr. Andrew Phipps, Clinical Psychologist (ISST Supervisor/Trainer)
Andrew is a Clinical Psychologist a
nd Advanced Schema Therapist/Trainer from Sydney, Australia.
Andrew has over 20-years of clinical experience, spending most of his career in public mental health settings. He now works entirely in private practice, having spent some recent years in an academic position at Western Sydney University. He continues to work as a consultant for several mental health services in Sydney. Andrew maintains a casual teaching role at the University of New South Wales. He conducts accredited schema therapy training across Australia, with colleagues from Schema Therapy Training Australia (schematherapytraining.com). In addition to his work in the schema therapy space, he has published in the field of early intervention for trauma, self-help treatment for depression, and clinical outcomes in Dialectical Behaviour Therapy (DBT). Andrew is available for consultation from our Inner West Clinic on Monday, Wednesday, and Friday.
Claudia Mendez, Clinical Psychologist (ISST Supervisor/Trainer)
Claudia Mendez is a Clinical Psychologist and Advanced Accredited Schema Therapist, Trainer and Supervisor with experience working in public mental health for 14 years. She assists Robert Brockman and Chris Hayes with Level 1 and Level 2 Schema Therapy Training in Australia and abroad. She has provided individual Schema Therapy Supervision (general and for accreditation) since 2014. In 2017 she had the opportunity to participate in Susan Simpson and Evelyn Smith’s research into the application of group Schema Therapy for Eating Disorder.
Claudia currently works at the Liverpool clinic on Tuesdays for individual therapy and couples ST. She is available for supervision Thursdays and alternating Fridays (via zoom).
Greg Barker, Clinical Psychologist
Greg Barker is a compassionate and genuine Clinical Psychologist with more than 20 years of clinical experience across public hospital, community mental health, and forensic settings. Greg is also currently employed as a Senior Clinical Psychologist within NSW Health.
Greg provides psychological therapy and interventions for complex mental health problems. He works with clients experiencing difficulties in areas as depression, anxiety, psychoses,
complicated grief, trauma and complex-PTSD, eating disorders, and personality disorders. Greg works with adults of all ages. Greg’s clinical approach draws from a number of modalities and evidence based therapies, however is predominantly based upon schema therapy, cognitive behaviour therapy (CBT), and dialectical behaviour therapy (DBT), with a strong focus on understanding each person’s unique characteristics and life experiences.
In addition to psychological therapy, Greg is also available for clinical supervision.
Greg is currently offering face to face and tele-health appointments through our Liverpool clinic. Greg can be contacted directly either though phone (0433 651 609) or by email (gregbarkerpsychologist@gmail.com)
Nathan Sakiris – Registered Psychologist, MPsych (Clinical)
Nathan graduated from the Master of Clinical Psychology program at the University of Technology, Sydney. He is up to date with the latest advances and research across a range of mental health issues, including generalised anxiety, PTSD, health anxiety, depression, emotion regulation, assertiveness, anger management, complex trauma, personality disorders, interpersonal relationship problems, and life stressors (i.e. work). Nathan has experience working with adolescents, adults, and older adults, across inpatient psychiatric health, as well as public and university based clinic settings.
Nathan has a warm and empathetic style, with a practical focus on collaboratively helping clients scaffold meaningful and achievable personal goals, in regards to their mental health. Nathan has training in Cognitive Behavioural Therapy (CBT), Mindfulness Integrated Cognitive Behavioural Therapy (MiCBT), Acceptance and Commitment Therapy (ACT), Dialectical Behaviour Therapy (DBT), and is currently undergoing the process for certification in Schema Therapy with the International Society of Schema Therapy (ISST). Nathan is available for consultation on Thursday at our Liverpool clinic. His standard fee is $220 business hours and $240 after hours (he takes after hours appointments for those with commitments). Medicare rebates will apply for those with mental health care plan.
Jessica Davis, Psychologist
Jessica is a Registered Psychologist who completed her Master of Clinical Psychology at the University of Technology Sydney (UTS). 
Jessica has experience in delivering individual therapy to clients across the lifespan, in both public and private settings. She has worked with a variety of presentations including ADHD, anxiety and mood disorders, emotional regulation difficulties and childhood trauma. Spending time in pastoral care roles with young people has fostered an interest in working with teenagers and young adults. Jessica particularly enjoys working with clients who present with emotional regulation difficulties, personality disorders and have a history of traumatic experiences.
Jessica adopts a warm, gentle and collaborative approach. She understands that therapy can be a daunting experience, and believes it is important that clients feel safe in therapy. She is passionate about taking time to understand client’s difficulties so she can tailor treatment to their needs. She believes that everyone has inherent value, and that with the right therapeutic support, clients have the capacity to work through their difficulties to improve their quality of life. Jessica utilises Schema Therapy, and a range of other evidence-based interventions including Cognitive Behavioural Therapy (CBT), Dialectical Behavioural Therapy (DBT), and Acceptance and Commitment Therapy (ACT). Jessica is available on Mondays and Tuesdays for face-to-face and Telehealth consultations at the Liverpool clinic.
Douglas Williams, Psychologist
Douglas is a warm and compassionate psychologist, who is passionate about helping people to understand the impact of their past, and work towards a happier and healthier future.
Doug completed his Masters in Clinical Psychology at the Australian Catholic University, and is undertaking the registrar program for endorsement as a Clinical Psychologist. He has presented at international and domestic conferences, and his research has focused on health psychology, exposure to trauma in the workplace, and sexual satisfaction. Doug has worked in hospital and community settings, supporting clients in managing intense emotions, addictive behaviours, and interpersonal difficulties. He has also worked with clients facing serious illness and end-of-life concerns. Doug’s uses a trauma-informed approach drawing from Cognitive-Behavioural Therapy (CBT), Schema Therapy, and Dialectical Behavioural Therapy (DBT).
Ian Davidson, Clinical Psychologist (ISST Supervisor)
Ian is an experienced Clinical Psychologist who has attained advanced level accreditation as a 
Schema Therapist with the International Society for Schema Therapy (ISST). He is a friendly and caring clinician, with a special interest in the application of schema therapy to adults experiencing anxiety and depressive disorders, childhood trauma, and personality disorders. Ian has published research in the field of ‘health psychology’; investigating the link between healthy lifestyle choices and emotional well-being. Ian is available for consultation from Monday to Thursday at our Inner West Clinic or by telehealth.
Schema Therapy Sydney 