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Katie-Marie Jervis, Psychologist at 3 Big Things

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Katie-Marie Jervis

Psychologist

Supervisor / Coach

Overview

I am a registered psychologist based in New Zealand/Aotearoa, proudly practicing since 2009. Originally from the UK, I moved to New Zealand in 2008, embracing a new chapter in both my professional and personal life. My family and I share a passion for travel and exploration, broadening our perspectives along the way.

I bring lived experience of neurodiversity within my family, which informs my strength-based and solution-focused approach to therapy. I am passionate about empowering individuals and supporting positive change through culturally responsive care that aligns with each person’s unique needs.

Supervision Approach

My supervision approach is rooted in fostering reflective practice and addressing relational and systemic aspects of supervision. I strive to create a collaborative and supportive environment where supervisees can critically reflect on their work, deepen their understanding of systemic influences, and explore relational dynamics.

I am committed to guiding supervisees through a values-driven and culturally responsive lens, supporting their growth and development while maintaining a focus on achieving professional and personal goals.

Skills and Experience

With extensive experience in forensic and health settings, I have worked with adults and adolescents who often present with complex challenges. My professional journey includes over 12 years of supervising practice with both health and non-health professionals, in both individual and group settings.

I have a strong interest in understanding and addressing workplace systems challenges, as well as supporting project-based initiatives and mentoring practice. My leadership experience has enabled me to develop a deep understanding of workplace dynamics and professional development, allowing me to support individuals and teams effectively.

Our team

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Kristy Haslam, Psychologist at 3 Big Things

Kristy Haslam

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Supervisor / Coach

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Laura Hook, Psychologist at 3 Big Things

Laura Hook

Psychologist

Supervisor / Coach

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Lisa Barr, Psychologist at 3 Big Things

Lisa Barr

Psychologist

Supervisor / Coach

Lisa is a registered psychologist in private practice with experience working across a range of sectors including NGO, Te Whatu Ora, Ministry of Justice, and healthcare and disability sectors. She has a special interest…

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