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Arwen Markwick, Clinical Psychologist at 3 Big Things

Our team

Arwen Markwick

Clinical Psychologist

Supervisor / Coach

Overview

Arwen (Ngāti Māhanga) is a Clinical Psychologist and Neuropsychologist, registered with the New Zealand Psychologists Board. She holds a BA(Hons) and a Doctorate of Clinical Psychology from the University of Auckland, and is a member of the New Zealand College of Clinical Psychologists and the New Zealand Special Interest Group in Neuropsychology.

Arwen works in clinical research and private practice, providing clinical and professional supervision. She has training in supervision, Acceptance and Commitment Therapy, Cognitive Behavioural Therapy, and cultural models of mental health.

Supervision Approach

Arwen aims to build a reflective and collaborative space where supervisees are supported to consider different perspectives, trial new ideas and approaches, and engage in thoughtful planning. Her approach helps supervisees work through difficulties, progress towards goals, and explore new ways of doing things in their work. Her supervision practice draws on reflective, strengths-based, cultural, and developmental models.

Skills and Experience

Arwen has worked across clinical and academic settings, including public healthcare, disability support services, and private practice. Her clinical work has largely been in the field of neuropsychological assessment and neurorehabilitation, across neurology, community rehabilitation, disability, and concussion services.

Our team

Meet other team members

Bonnie Lovich-Howitt, Counsellor at 3 Big Things

Bonnie Lovich-Howitt

Counsellor

Supervisor / Coach

Bonnie Lovich-Howitt is a DAPAANZ Registered Counsellor/Practitioner and External Supervisor for Clinical and Peer Support External Supervision. Her expertise has been recognised nationally and internationally—she has…

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Bridget Piper, Psychologist at 3 Big Things

Bridget Piper

Psychologist

Supervisor / Coach

Bridget is New Zealand trained and a registered Educational Psychologist with experience working in a range of contexts both in NZ and overseas. Her family are neurodivergent, and Bridget brings this lived experience to…

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Carol Parkinson, Social Worker at 3 Big Things

Carol Parkinson

Social Worker

Supervisor / Coach

Registered social worker and professional supervisor, supporting practitioners in the helping professions with compassion fatigue, boundaries, and self-care.

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