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Our Psychologists

Our psychology team is staffed by a team of highly qualified and experienced Psychologists that provide evidenced based treatments for mental health, wellbeing and personal development. 


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Clara Fritchley

Clinical Psychologist

BPsych(Hons), MClinPsych, PhD Candidate, AHPRA, MACPA

Clara holds an honours degree in psychology and a Masters degree in Clinical Psychology, both from Macquarie University.  She is currently undertaking a PhD with the University of NSW.  Clara is registered with the Australian Health Practitioner Regulation Agency (AHPRA) and is a member of the Australian Clinical Psychology Association (ACPA).  She is eligible for the Clinical Psychologist rebate through Medicare.

Clara’s work within the private and public sectors has provided her with experience working with people with a range of difficulties including depression, anxiety, substance abuse and traumatic stress. She also has experience working with adolescents and their families who are experiencing a wide range of difficulties including depression, anxiety, relationship difficulties and parenting stress. She has worked providing therapy both to individuals and in group settings and is currently working on a Dialectical Behaviour Treatment Program for adolescents.  She has also spent a number of years working on a comprehensive Dialectical Behaviour Therapy program for adults with emotion regulation and relational difficulties. 

Clara is a warm and compassionate therapist who values the uniqueness of each individual’s experience.  She offers a respectful and validating environment, providing a space for people to explore their struggles and needs in ways that encourage change and growth.   She feels passionate about helping people flourish in their lives and to develop a greater capacity for resilience, as well as develop positive and meaningful relationships with themselves and others.   Clara uses an evidence based and collaborative approach in her work drawing on a number of therapeutic approaches including Cognitive Behaviour Therapy, Dialectical Behaviour Therapy and Acceptance and Commitment Therapy to help people achieve their goals.  Clara practices at the Hills Clinic Hospital on Fridays and can be contacted on 0431690811 or through the Hills Clinic Medical Centre.

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Nicole Dunn

Principle Psychologist B. Psych (Hons), Grad Dip Org Beh, MAPS

Supervising Psychologist. Workcover Accredited.

Nicole has worked as a Registered Psychologist since 2011. She is a nationally registered Psychologist with Post Graduate certification in Organisational Behaviour. Nicole has completed undergraduate and post graduate University training with honours; including B. Psych (Hons) at Newcastle University and The Graduate Diploma of Organisational Behaviour at Macquarie University and produced a thesis on the development of Socially Conditioned Fear at the Brain and Behaviour Lab with Newcastle University. 

Nicole has completed further training in therapeutic methods for children, adolescents and adults. Nicole has an interest in Anxiety treatment, parenting and child behaviour management, Autism/Aspergers support (not assessment), Career Planning/Coaching, Workplace Injury, PTSD and Bullying. Nicole offers psychology services to adults, teens, children and families for a range of concerns/challenges from Anxiety, Depression, Phobias, OCD, Relationship and family challenges and behaviour problems, personality disorders and autism spectrum. 

Nicole regularly presents to some of Australia’s largest corporates on enabling psychologically healthy workplaces and teams, this involves identifying, intervening and preventing psychosocial risk in the workplace. Nicole provides training and skill development to managers to empower them to support the mental wellbeing of their team, enabling a thriving work environment. 

Currently, Nicole’s professional work entails a combination of training, psychologist supervision and general psychology practice. Her work involves using therapy and counselling techniques to assist people overcome emotional and behavioural challenges. 

Nicole has a broad area of interest including child and adolescent psychology, individual assessment and treatment and Organisational (Workplace) Psychology; Bullying, PTSD, recovering from Injury, returning to work or re-training into new work. 

Nicole is a AHPRA Board Approved Psychologist Supervisor, who supervisors registered and provisionally registered Psychologists. Nicole can tailor a supervision program for the specific training needs of her student Psychologist’s and only takes on a limited number of students to ensure appropriate exposure and mentoring opportunity.

Please contact Nicole directly via email for specific inquiries. Nicole consults from The Hills Clinic, Castle Hill otherwise you can make an appointment to see her at the below location.

Coral Tree Medial Practice                                               

1 Coral Tree Drive Carlingford, NSW, 2118                                                        

Saturday 9:00am - 1:00pm.                                                                                                   

T: 02 9872 2723                                      

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Lauren Corma

Clinical Psychologist

Lauren is a dedicated clinical psychologist with over 20 ) years experience in private practice; treating adolescents 16ys+, adults, the elderly and couples. She has extensive experience providing effective treatment for depression, anxiety (incl.generalised anxiety disorder, panic,PTSD), mood disorders, addictions, chronic pain, grief, adjustment issues, personality disorders, self esteem, and relationship issues.She is a member of the Australian Psychological Society and the College of Clinical Psychologists, and is accredited with the Department of Veterans Affairs and Workers Compensation. Lauren consults from The Hills Clinic, Hornsby.

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Peter Casbolt

Clinical Psychologist

Peter is a Clinical Psychologist with expertise in a wide range of therapies including Cognitive and Dialectical Behavioural Therapies. He has worked at several hospitals within Sydney, both with inpatients and outpatients in group and individual settings. He currently facilitates the Inpatient Mood and Anxiety Disorders Treatment Program and the Inpatient DBT Program. Peter treats mood and anxiety disorders, personality disorders, addictions, trauma, grief and loss, adjustment and self-esteem. Peter consults at The Hills Clinic Kellyville and can be contacted by ringing the clinic during office hours or on his mobile on 0412 536 186.

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Emily Kwok

Clinical Psychologist

Emily is a clinical and forensic psychologist who has worked with children, adolescents and adults in private practice and community-based settings in the treatment of disorders including mood, anxiety, trauma-related, and substance use disorders. Emily has experience in working with parents when children present with behavioural and social difficulties at school and in other settings. 

Emily's PhD examined the resolution of complex family matters within legal and psychological contexts. Emily is a nationally accredited mediator and Family Dispute Resolution Practitioner. She provides mediation for families affected by separation or divorce, and especially in matters that involve parenting arrangements. Emily works in collaboration with family lawyers where she may assist parties undergoing family disputes with managing emotional distress, provide coaching to improve communication skills, and provide recommendations on matters such as children's psychological wellbeing during family disputes.

Emily can see clients under WorkCover and is available for court assessments and reports. Emily consults at The Hills Clinic Kellyville.

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Dr lea Cristante

Clinical Psychologist

Dr Lea Crisante is a highly experienced Clinical Psychologist who has worked in private practice and in-patient and community-based child, adolescent and adult mental health services for many years. She has extensive experience dealing with mood and anxiety disorders and is currently part of the Westmead Program for Complex Trauma. She has a particular interest in child and adolescent mental health, completed her PhD on child behavioural interventions and is a highly skilled family therapist. In addition, Lea has extensive experience using the Cool Kids Anxiety program for children and adolescents and the Positive Parenting Program (Triple P) to assist parents with concerns about their children. Lea has also worked in the field of relationship counselling including 10 years as a senior manager at Relationships Australia. She is particularly interested in working with couples affected by mental health issues including post-natal depression and early childhood trauma. Lea is experienced in using interventions based on CBT, Attachment and Systems Theory, Interpersonal Therapy and Integrative Couple Therapy (Dr John Gottman). Lea enjoys working in innovative services, has presented many papers and workshops in Australia and overseas and is an Associate of the Master of Psychotherapy program, University of Sydney. Dr Crisante consults at The Hills Clinic Kellyville.

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Rachel Guthrie

Clinical Psychologist

Rachel is a member of the College of Clinical Psychologists. She has experience in both clinical research and treatment of anxiety and mood disorders and has a PhD in Psychology from the University of New South Wales in the area of post-traumatic stress. She has been a lecturer on the Masters of Clinical Psychology programs at the University of New South Wales and Macquarie University. Rachel works at The Hills Clinic, treating anxiety disorders (e.g. panic disorder, social phobia, generalised anxiety disorder, post-traumatic stress disorder) and mood disorders (e.g. major depressive disorder) in adolescents and adults. The psychological treatment of choice for these disorders is Cognitive Behaviour Therapy which involves changing unhelpful thought patterns and behaviours. Rachel consults at The Hills Clinic Castle Hill.

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Dr Roberto Parada

Clinical Psychologist

Dr Roberto Parada BA (Hons I) MA(Psych) University of Sydney; PhD(Psych) University of Western Sydney. Registered Psychologist. Dr Roberto H. Parada PhD(Psych) is an experienced psychologist with special interests in assisting children, adolescents and young adults. An approachable and dedicated professional, he has experience in assisting young people with difficulties such as anxiety, depression, aggression management, behavioural challenges, bereavement and bullying. Dr Parada is a full member of the Australian Psychological Society (APS), the Australian Association for Cognitive and Behaviour Therapy (AACBT) and the International Early Psychosis Association (IEPA). Dr Parada has held various academic appointments in Australian universities. He is currently a Lecturer in Adolescent Development, Wellbeing and Behaviour at the University of Western Sydney. He has also held appointments at the University of Notre Dame, Australia as a Lecturer in Counselling where he lectured in Counselling Children and Adolescents; Bereavement and Loss and on Counselling Theory. Dr Parada is an invited reviewer for major scientific journals in child and adolescent mental health and educational psychology. He has published book chapters and scientific papers and has presented at international and national scientific conferences in the areas of psychometrics, parenting skills training, population based interventions, bullying and child and adolescent mental health. His research has also been featured in Teacher Magazine, The Sydney Morning Herald, The Telegraph, The Western Australian, on Channel 7, SBS television and ABC and commercial radio. If you are interested in Dr Parada's research you can obtain further information from: http://scholar.google.com.au/citations?user=enGA4wMAAAAJ&hl=en

Dr Parada consults at The Hills Clinic, Castle Hill.