More about David

David Marishel is a Clinical Psychologist with over 15 years of experience supporting adults through life’s challenges and changes. His work is grounded in helping people move from feeling stuck or overwhelmed toward greater clarity, connection, and meaning.

David Marishel - Clinical Psychologist Sydney

David Marishel – B.Psych (Hons), M.Psych(Clin)

David regularly works with people who are:

  • Feeling drained, flat, or anxious and not sure why

  • Losing motivation or enjoyment in things that used to matter

  • Feeling trapped in patterns or relationships that don’t feel right

  • Adjusting to major life changes—like the birth of a child, injury, job loss, or grief

  • Looking to better understand themselves and respond differently to life’s challenges

  • Struggling to balance everything—work, family, expectations, and your own needs

  • Wanting to feel more present, connected, or in control again

He has particular interest in:

  • Supporting fathers before and after the birth of their child, especially in the early years of parenting (0–3)

  • Helping people living with chronic health conditions, including chronic pain, fatigue, sleep difficulties, and multiple sclerosis

David’s therapeutic approach is collaborative and thoughtful. He works with people over medium to longer-term periods, allowing space for deep and lasting change. His practice integrates evidence-based approaches such as Acceptance and Commitment Therapy (ACT), Cognitive Behavioural Therapy (CBT), Motivational Interviewing, and Psychodynamic Psychotherapy.

Qualifications and Memberships

  • B.Psych (Hons), M.Psych (Clin)

  • Registered with the Psychology Board of Australia

  • Member of the Australian Psychological Society – College of Clinical Psychologists

  • Member of the Centre for Perinatal Psychology

  • Member of the Australian Association for Infant Mental Health

David has worked across a variety of hospital and community settings, including:

  • Prince of Wales Hospital (Liaison Psychiatry)

  • Camden Hospital (Metabolic Rehabilitation)

  • Sacred Heart Bereavement Service

  • Royal North Shore Pain Management and Research Centre

  • MS Australia

  • Lifeline