John Gwiazdzinski Psychologist

John’s experience in psychology covers a wide range of areas. As he is currently available only part-time in private practice, the focus of his interest is Posttraumatic Stress Disorder (PTSD) and trauma recovery. He has worked in several demanding roles that demonstrate the extent of his work with people exposed to highly stressful situations. His work experience includes:

  • Senior Psychologist, Defence Force Recruiting
  • Senior Clinician, Psychologist Department for Correctional Services SA – Facilitating and Coordinating Clinical Rehabilitation Programs for incarcerated offenders
  • Psychologist, Australian Army – Consultant in Trauma Management & Personnel Selection
  • Clinician in Forensic Psychology
  • Recruitment Consultant
  • Group Training Facilitator – Vietnam Veterans
  • Trauma Counsellor
  • Psychology Officer, Lieutenant-Colonel rank (Full-time), Australian Army, Australian Army Battle Group, East Timor
  • Psychology Officer, FET, Solomon Islands
  • Army Reserve Psychology Officer, 9 Combat Services Support Battalion
  • Educational psychologist, guidance officer and teacher
  • Lecturer and tutor, University of Adelaide and STURT CAE (Flinders Uni. Dept. Education)


Areas of Work

John currently works only part-time in private practice and for this reason focuses on the assessment and treatment of post-trauma responses.


Treatment Approaches


Qualifications and Memberships

  • Bachelor of Arts (Honours)
  • Diploma of Education
  • Diploma in Hypnotherapy
  • Registered Psychologist with the Psychology Board of Australia
  • Member of the Australian Psychological Society
  • Certificate IV in Workplace Training and Assessment


John does offer after-hours appointments. We welcome phone enquiries and our receptionists can provide more information about the practice and assist you to make a booking. You can reach us on (08) 8272 7885. Alternatively, you may contact us via email using the button below.