Our doctors

Dr Katie Dimarco

Dr Katie Dimarco graduated from the University of Melbourne with an Honours degree in Medicine. She is a Fellow of the Royal Australian and New Zealand College of Psychiatrists (RANZCP). She has sub-specialty training in psychotherapies, with skills in cognitive-behaviour  therapy and psychodynamic psychotherapy, and is a Member of the RANZCP Faculty of Psychotherapy.

Dr Dimarco enjoys treating a range of conditions in her private practice, and also provides tele-psychiatry services for rural areas, and care for members of the Australian Defence Force. She has an interest in Anxiety Disorders, having previously worked at the Anxiety Disorders Clinic at St Vincent’s Hospital. Dr Dimarco also works in occupational and civil medico-legal psychiatry and is a Specialist Medical Officer with AMP, and an accredited assessor of permanent impairment with NSW WorkCover and the Motor Accident Authorities. She is a Member of the Medico-Legal Society of NSW, and the Australian and New Zealand Association of Psychiatry, Psychology and Law.


Dr Atsumi Fukui

Dr Fukui is an adult general psychiatrist with a special interest in military psychiatry and post traumatic stress disorder. She speaks Japanese.


Dr Richard Furst

Dr Furst has extensive experience as a consultant forensic psychiatrist, preparing reports and giving expert evidence in numerous criminal matters before the NSW courts and other jurisdictions in Australia.
Clinical experience includes acute adult psychiatry at Wyong Hospital, forensic rehabilitation of mentally ill offenders at Cumberland Hospital, correctional psychiatry at Justice Health and the treatment of patients in private practice.

He has presented papers at a number of conferences relating to mentally ill offenders, risk assessment for violence, terrorism, refugees, stalkers and mental health law.

Current fellow of the RANZCP, Faculty of Forensic Psychiatry, member of ANZAPPL, and member AMA.


Dr Matthew Jones

Dr Jones completed a Bachelor of Science and his medical training at the University of Sydney.

Dr Jones commenced his psychiatric training with the South Sydney Illawarra Area Health Service, before transferring to the Northern Sydney Central Coast Area Health Service. He completed his advanced training in Forensic Psychiatry at Justice Health. He completed his Masters in Forensic Mental Health through the University of New South Wales.

Dr Jones is currently a Visiting Medical Officer at Junee Correctional Centre.

In addition to an extensive forensic psychiatric practice, he also engages in psychopharmacological and psychotherapeutic work in his private practice.

Dr John KasinathanJohnK pic public

Dr Kasinathan graduated with First Class Honours in Medicine from the University of Sydney. He is a Fellow of the Royal Australian and New Zealand College of Psychiatrists (FRANZCP) and holds Certification of Advanced Training in Forensic Psychiatry. He is an Accredited Supervisor in Forensic Psychiatry, an Accredited RANZCP Examiner and active member of the Committees for Therapeutic Interventions and Evidence-Based Practice, Special Interest Group in Child and Adolescent Forensic Psychiatry, Committee of the Faculty of Forensic Psychiatry, NSW Branch Committee and the Editorial Committee for Australasian Psychiatry. He holds Master’s degrees in Psychiatry (NSW Institute of Psychiatry) and Forensic Mental Health (University of NSW).

Dr Kasinathan is a Conjoint Lecturer with the School of Psychiatry, Faculty of Medicine, UNSW; lecturing medical students and postgraduate Master’s students. He is a Visiting Fellow with the Centre for Mental Health Research, Australian National University (ANU). Dr Kasinathan is experienced in providing psychiatric reports and expert opinions to the Children’s Court, Family Court, Local Court, District Court, Supreme Court and Mental Health Tribunal in the ACT and NSW. He is a WorkCover NSW and Motor Accident Authority Trained Assessor of Permanent Impairment.

His specialist appointments are with Justice Health (NSW), as the lead Forensic Psychiatrist for the high-secure Adolescent Unit in the Forensic Hospital, the only Unit of it’s kind in Australia, and principal Forensic Psychiatrist to the only Youth Justice centre in the ACT. He is the lead Forensic Psychiatrist with the Forensic Mental Health Service in Canberra and has a private practice in Macquarie Street, Sydney. His expertise includes the assessment and management of mental disorders in adolescents and adults; including mood disorders, anxiety disorders, psychosis, PTSD, ADHD, sexual deviant disorders, autism spectrum disorder and issues related to intellectual disability.

Dr Kasinathan has presented at local and international conferences on topics relating to forensic psychiatry and mental disorders in adolescents and adults. He has completed formal courses on assessing violence risk, risk assessment in mentally ill persons, evaluating psychopathy and aggression management. His research interests include the prediction of imminent aggression in young offenders with a mental illness and screening for self-harm in prisoners. Dr Kasinathan holds full unconditional medical practitioner and specialist registration with the Medical Board in all States and Territories of Australia.


Dr Olav Nielssen

Dr Nielssen holds appointments at St Vincents Hospital in Sydney and as a consultant psychiatrist to the Mindspot Clinic, an online treatment service for anxiety and depression. He performs a weekly clinic at the Matthew Talbot Hostel for the homeless. He is also a clinical professor of psychiatry at Macquarie University, a senior lecturer in psychiatry at the University of New South Wales and a Senior Research Fellow at the University of Sydney. He has previously held appointments to the Mental Health Review Tribunal and at Justice Health


Dr Jeremy O’Dea

Dr O’Dea graduated in Medicine from the University of Western Australia and trained in psychiatry at Prince of Wales Hospital and in London. He has an appointment to Justice Health and has been in private practice for more than twenty years in the area of adult general psychiatry and forensic psychiatry. He has particular training and experience in the treatment of sexual disorders.


Dr Astrid Rogoz

Dr Rogoz provides expert psychiatric assessment and treatment for adolescents, young adults and adults. Her area of expertise includes comprehensive assessments followed by management plans of various mental health conditions, including mood disorders (Bipolar Affective Disorder and Major Depressive Disorder), anxiety disorders, psychotic disorders, personality disorders, complex PTSD (Complex PTSD describes the long effects of severe prolonged or repeated trauma, particularly due to various forms of child abuse or domestic violence, which has a wide range of effects on personality, identity, memory, mood change and emotional regulation), and alcohol and other substance use disorders.

Dr Rogoz works as a general psychiatrist but specialises in longer term therapy using a psychodynamic approach and also has experience in a shorter-term, symptom focussed Cognitive Behavioural Therapy (CBT). Choosing an approach is determined by the nature of the disorder being treated. She aims to develop a therapeutic relationship of trust and understanding towards recovery.

Dr Rogoz has previously worked at the Headspace Centre located at the Brain Mind Research Institute. Her current practice is divided between the Level 8 Practice, 235 Macquarie Street, U Space at St Vincent’s Private Hospital, Darlinghurst, where she sees both inpatients and outpatients, and Mindplasticity in 50 Holt Street Surry Hills.

For the past eight years Dr Rogoz has also provided Consultation-Liaison clinics at three hostels for the homeless,  Foster House, Edward Eager Lodge and Mission Australia Centre. She has also completed research on Cognitive Impairment in Elderly Homeless, which identified unmet needs in the homeless population.

Awards for her research work have included the RANZCP Lilly Fellowship in 2007 and 2008, the Alzheimer Association Australia Award, and a NSW Institute of Psychiatry Fellowship.

Dr Rogoz has always enjoyed teaching medical students, and has affiliations with the University of NSW, the University of Sydney, and her current position as a Senior Lecturer in Psychiatry at the University of Notre Dame. She has also acted as a tutor for trainee psychiatrists through the NSW Institute of Psychiatry, as well as providing regular supervision to mental health nurse practitioners.

Dr Rogoz acts as an Advisor to the Board of Minddog, an organisation that assists in the procurement, training and certification of companion dogs for people with mental health conditions.

Dr Rogoz is fluent in Croatian, Bosnian and Serbian languages.


Dr Anthony Samuels

Dr Anthony Samuels is a Forensic and General Adult Psychiatrist. He is currently District Clinical Director of Psychiatry in a large regional mental health service in NSW. He is an Associate Professor of Psychiatry at the University of NSW, Rural Clinical School and has numerous publications in the areas of Deliberate Self Harm and Forensic psychiatry. Dr Samuels has been a member of the RANZCP Committee for Examination and continues to be very involved in the training of Psychiatrists.

Dr Samuels was formerly Clinical Director Mental Health, Justice Health based at Long Bay Forensic Hospital and has extensive experience in all areas of Criminal Forensic Psychiatry. Dr Samuels regularly provides expert testimony in Federal Courts, NSW Supreme and District Courts, Coroners Court and NCAT.

Dr Samuels provides expert opinion in relation to Forensic Criminal and Civil Tort matters at his private rooms in St Leonards and Macquarie St, Sydney. His areas of Clinical interest include Depression, Anxiety, Psychosis, Personality Disorder and General Hospital Psychiatry.

Dr Samuels has particular expertise in the the assessment of impairment in health professionals, police and emergency workers. He is a Council Appointed Psychiatrist to the Health Professional Councils, AHPRA and Veterinary Board of NSW. He provides advice to the NSW Police Safety Command and NSW Ambulance and Fire Services. He has provided expert advice to the NSW Coroner and has participated in a number of expert conclaves in a number of jurisdictions. He has provided expert testimony in cases involving various Medical Specialist Colleges. He has provided expert opinion to major legal firms in regard to a number of significant class actions. He regularly provides expert opinion to the Health Care Complaints Commission as well as in matters involving worker’s compensation, motor accidents and medical negligence.


Dr Kipling Walker

Dr Kipling Walker is the founder and director of the National Health Group. In 1992, he received his Bachelor of Medicine, Bachelor of Surgery degree from the University of Queensland. In 2000, he received his Fellowship from the Royal Australian and New Zealand College of Psychiatrists. In 2004, he received his Masters of Criminology from the University of Sydney. In 2012, he completed training as a mediator through Leadr.

Dr Kipling Walker is highly experienced in assessing, managing and achieving the best outcomes for psychological workplace injuries. Working with Government and non-Government employers, he has developed an early intervention service that reduces the personal, financial and social costs of psychological workplace injuries. He plans to expand this service to include physical injuries.

Dr Kipling Walker is a:
• Fellow of the Royal Australian and New Zealand College of Psychiatrists (RANZCP).
• Registered Medical Practitioner, Australia.
• Foundation member of the RANZCP Faculty of Forensic Psychiatry.
• Member of the NSW Medicolegal Society.