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

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 and information athttps://www.foodprescription.com.au/.


Dianne Doyle
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Cecile Grant

Cecile is a highly effective practitioner, thanks to a strong skills base gained through her 30 plus years as a registered psychologist working across both clinical and organisational areas, in private and government settings.

This wealth of experience enables her to work across the life span with adolescents, adults and elderly people in counselling settings, while in organisational settings she has an interest in building highly functional work teams, and organisational change.


Stephanie Kalanj-Mizzi
Provisional Psychologist, Counsellor & Coach

Stephanie believes that every person has the ability to achieve their potential, but sometimes they need a little help to get started or stay motivated.

She is passionate about supporting her clients to be the best they can be and works to develop realistic and achievable goals to get her clients on their way.

When things go awry and the stressors of work, family, mental health or competing priorities cause hurdles or difficulties, Stephanie is able to create structured interventions to help her clients get back on track.



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Sarah Garrett

Sarah Garrett is a registered psychologist with experience working within counselling and organisational settings, in:

  • government departments;
  • non-government bodies;
  • the corporate environment;
  • and private organisations.

She works with children, adults and families to address a variety of issues including stress, anxiety, depression, grief and loss, low self-confidence, relationship difficulties, parenting, and behavioural challenges.


Roz Erdelyi

An experienced psychologist, with a professional background in Job Network counselling settings, Roz has helped clients with a diverse range of personal, lifestyle and psychological wellbeing issues. 

Through her consultations with numerous individuals and also in small group coaching sessions, Roz has developed a toolbox of diverse and effective intervention approaches. She has a particular interest in supporting her clients with strategies and techniques to help them with resolving resolve past emotional concerns, as well as goal setting difficulties.

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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 from New South Wales where she had over 20 years of experience as a legal secretary.  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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