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.

Guidelight Psychology Gold Coast has grown to become a leading boutique firm of experienced psychologists. Our skilled professional staff have assisted thousands of clients to find solutions, and gain results across all types of people and performance problems.


Dianne Doyle

Dianne is a qualified Nutritionist (BHSc Nutritional Medicine), a qualified Aromatherapist, Masseuse and certified Food Coach. As a past lecturer with Weight Watchers, Dianne has enjoyed coaching hundreds of clients to achieve their health and nutrition goals.


Dianne Doyle

Roz Erdelyi

Roz  is an experienced Gold Coast psychologist, with a professional background in Job Network counselling settings, where she 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 gained an wealth of diverse and effective intervention approaches. 

Roz is an expert in the tools, strategies and techniques that help people resolve past emotional concerns and goal setting difficulties. 

Cecile Grant

Cecile is a highly effective practitioner, with 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 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 in organisational change.


Sarah Garrett

Stephanie Kalanj-Mizzi
Counsellor, Coach & provisionally registered Psychologist

Stephanie believes that every person has the ability to achieve their potentials but sometimes they need a little help to get started or stay motivated. Stephanie 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 us to falter or experience difficult times, Stephanie is able to create structured interventions to overcome difficulties and get back on track.


Sarah Garrett

Sarah Garrett is a registered psychologist with experience working within counselling and organisational settings within government, non-government organisations, corporate and private organisations.

She has worked with children, adults and families addressing a variety of wellbeing issues including stress management, anxiety, depression, grief and loss, low self-confidence, relationship difficulties, parenting, and behavioural difficulties.


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Khia Hemming
Office Manager

Khia is our wonderful Office Manager and friendly receptionist.  She will handle all your booking and accounting enquiries together with any general enquiries you may have. 

Khia came to join Guidelight Psychology on the Gold Coast over 5 years ago, after moving from NSW 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.

Karin is 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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