Our Mental Health Experts

“Making Psychology Accessible to Everyone”
Nadika Ratwatte psychologist hills area castle hill Bella vista kellyville
Nadika Ratwatte


MPsych (Clinical) GradDipPsych BArts (Psych) BCommerce MAPS

Know Nadika Nadika Ratwatte is a dedicated Psychologist, committed to working together with children, adolescents and adults in a partnership, supporting them personally through life’s challenges that can often become overpowering. Warm & compassionate in her nature, Nadika takes the More on Nadika Ratwatte »

Dr Marija Radojevic Clinical Psychologist Hills Sydney Bella Vista Castle Hill
Dr Marija Radojevic

Senior Clinical Psychologist

PhD Psych (Clinical) MPsych (Clinical) BArts (Hons) BAppSc (OT) MAPS

Know Marija Dr Marija Radojevic is a dedicated Senior Clinical Psychologist, passionate about family mental health and supporting individuals with daily life challenges. In particular, she is fascinated by the manner in which early experiences influence subsequent developmental trajectories, for More on Dr Marija Radojevic »

Paris Gibson psychologist castle hill hills district Bella vista child psychologist
Paris Gibson

Provisional Psychologist

MProfPsych GradDipPsychAd BArts (Psych) BHumSc (Human Mov) MAPS

Know Paris Paris Gibson is a dedicated Provisional Psychologist committed to engaging with adults, adolescents, children and their parents, educating them on emotional management techniques to develop healthy coping strategies. Understanding and personable, her approachable nature provides a safe atmosphere for More on Paris Gibson »

Rebecca EL-Helou psychologist hills area castle hill Bella vista kellyville
Rebecca El-Helou


MPsych (Clinical) BPsych (Hons) MAPS

Know Rebecca Rebecca El-Helou is an accomplished Psychologist, passionate about changing and making an impact on mental health in the local community. A warm, empathetic presence in her clients’ lives, Rebecca truly has a love for our culturally diverse community. More on Rebecca El-Helou »

Lana Jaff psychologist hills district castle hill Belleville
Lana Jaff

Provisional Psychologist

BPsych (Hons) MAPS

Know Lana Lana Jaff is a diverse Provisional Psychologist, passionate about the importance of people’s mental health & wellbeing, and how early intervention can really help to overcome and prevent some of life’s challenges. Genuine and understanding, Lana is extremely client driven, More on Lana Jaff »

Psychologist hills district Bella Vista castle hill Norwest Rickii Lotsaris
Rickii Lotsaris

Provisional Psychologist

BSci in Psych (Hons) MAPS

Know Rickii Rickii Lotsaris is an accomplished Provisional Psychologist with a passion for guiding children, adolescents, parents and individuals to find the right balance in their life. Compassionate and understanding, her bubbly nature creates a secure space for you to More on Rickii Lotsaris »

Cassandra Wesley psychologist hills child psychologist counselling
Cassandra Wesley Klements

Provisional Psychologist

MSci Health Psych BA (Hons) Psych BA Psych & Criminology MAPS

Know Cassandra Cassandra Wesley Klements is an accomplished and diverse provisional psychologist, passionate about the importance of people’s mental health & wellbeing, and how to better understand and manage it. Warm & caring, Cassandra takes the time and persistence to More on Cassandra Wesley Klements »

psychologist Kya Porter therapy child psychologist Bella vista Baulkham Hills
Kya Porter


MPsych (Clinical) BPsych (Hons) MAPS

Know Kya Kya Porter is a talented psychologist, passionate about inspiring adults, adolescents and children into action towards their vision. Warm & compassionate, Kya explores your concerns always maintaining a safe and personal space. Kya’s authentic and personable nature puts you at More on Kya Porter »

Kylie Hutchings Mangion Psychologist Hills District Castle hill counselling
Dr Kylie Hutchings Mangion

Provisional Psychologist

B PsychSc (Hons) GradDip PsychSc DEdu MEdTech BTeach (PAVE) BLearningDes MAPS

Know Kylie Dr Kylie Hutchings Mangion is a highly educated Provisional Psychologist who takes the time to understand challenges adolescents and adults face, focusing on real solutions to assist you to move forward. Flexible and person centred, Kylie recognises within both personal More on Dr Kylie Hutchings Mangion »

Dr Debbie Collaros Hills Psychologist Couples Counselling
Dr Debbie Collaros

Senior Psychologist & Couples Therapist

PhD (Forensic Medicine & Pathology) MPsych (Couns) MPsych (Research) BA AppPsych (Hons) MAPS

Know Debbie Senior Psychologist, Dr Debbie Collaros, is highly successful at helping familial, couple, sibling and collegial relationships thrive. Hailing from South Africa, her considerable experience includes the impact of trauma, affairs, mood disorders and family of origin on relationships. More on Dr Debbie Collaros »

hills psychologist child adult parenting support counsellor Baulkham Hills
Gretchen De Martin


BPsych BArts (Psych) GradDip Management Practice MAPS

Know Gretchen Gretchen De Martin is a dedicated Psychologist with a passion for assisting parents, individuals and adolescents with anxiety, as well as supporting senior adults through the challenges they face in their daily lives. Genuine in her approach, Gretchen More on Gretchen De Martin »

Dr Louise Johnson Hills Psychologist
Dr Louise Johnson

Senior Clinical Psychologist

DPsych (Clinical) MClinPsych BSocSc (Hons) MAPS CCLIN

Know Louise Dr Louise Johnson is a dedicated Senior Clinical Psychologist at Creating Change Psychology and Counselling. As an accomplished therapist, she excels in the field of anxiety and depression. Warm, reliable, respectful, and knowledgeable, Louise earnestly helps individuals and More on Dr Louise Johnson »

Our Client Relationship Team



Megan creating change psychology

Jessica creating change psychology

Lisa Dixon creating change psychology

Sara creating change psychology

Sheran Creating Change Psychology therapist counselling hills district castle hill bella vista


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