About Guidelight Psychology Gold Coast

Peter Doyle
Founder & Psychologist

An endorsed Counselling Psychologist and Organisational Psychologist, Peter founded the Guidelight Psychology practice in Southport in 1994, expanding into Brisbane in 2011.

Under Peter's skilled and caring leadership, our Gold Coast Psychologist Centre has been able to help thousands of individuals, couples, families and businesses for nearly 25 years.

Peter finds it particularly rewarding to help his clients find solutions, and gain results, across all types of people and performance problems.



Dianne Doyle

BHSc Nutritional Medicine

Dianne is a Gold Coast Nutritionist, and also a:

  • qualified Aromatherapist;

  • qualified Masseuse;

  • certified Food Coach;

  • past lecturer with Weight Watchers.

Dianne has enjoyed coaching hundreds of clients to achieve their health and nutrition goals, and shares her experience, recipes, and other information at the Food Prescription website


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Stephanie Kalanj-Mizzi, 

BSc, PG Dip Psych

Stephanie is a psychologist with general  registration with the Australian Health Practitioner Regulation Agency. Stephanie provides counselling, coaching and psychological services at Guidelight Psychology Gold Coast for children, adolescents and adults.

Working from a holistic, person-centred philosophy, Stephanie supports individuals, couples, children, and families to become stronger, communicate better and manage worries more efficiently.

Her areas of special interest include:

  • anxiety, depression and stress;

  • LGBTIQAP+ issues and gender questioning;

  • trauma and PTSD;

  • suicide prevention

  • family and relationship counselling; and

  • psychometric testing - intelligence and achievement for children and adults, PTSD, Attention Deficit Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD).

Stephanie is currently a PhD candidate with Monash University.  She recently published an article, titled “Motivations for Multiple Tattoo Acquisition:  An Interpretative Phenomenological Analysis” in the journal Advances in Mental Health which is accessible via this link:  https://www.tandfonline.com/doi/full/10.1080/18387357.2018.1537127

To book an appointment with Stephanie Kalanj-Mizzi, please call our Gold Coast Psychologist Centre on (07) 5527 0123.


Khia Hemming,
Office Manager

Khia is the wonderful Office Manager and friendly receptionist at our Gold Coast Psychologist and Counselling Centre. She will handle all your booking and accounting enquiries, together with any general enquiries you may have. 

Khia came to join Guidelight Psychology over 5 years ago, after moving to the Gold Coast from New South Wales.

Prior to joining Guidelight, Khia worked as a legal secretary for over 20 years. She also has experience in the fields of IT and childcare administration.                                                        


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Karin Jansma,
Health & Wellness Consultant

Karin was first drawn to yoga, pilates and group fitness 13 years ago, when she learned of its many benefits, and became a certified yoga teacher and pilates instructor in 2013. 

Currently Karin is studying Public Health at Griffith University with a focus on Environmental Health, Climate Change and Sustainablity. A woman of many talents, Karin is also the current Muscle Mania (Natural Body Building) Ms Model Australian champion. 

As a busy mother of 3, Karin believes in the power of yoga and physical fitness to create positive change in mind and body, through encouraging strength, focus, balance, flexibility and openness. 


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