Psychologists

Sarah Anderson

Clinical Psychologist

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Sarah Anderson is a clinically trained psychologist who is a member of the Australian Psychological Society.  Sarah has years of experience working with adults, children and families to assist them with a range of presenting difficulties including the management of anxiety, depression, and relationship issues.  Sarah enjoys getting to know her clients and working with them to achieve their goals using a range of therapeutic models.

Sarah specialises in child, adolescent and adult assessment.  Her expertise includes diagnostic assessments for Autism Spectrum Disorder for all ages.  She also specialises in assessments for determining IQ, learning difficulties, giftedness, and intellectual strengths and weaknesses.  Vocational assessments can be offered to support career planning and re-entry into the workforce.  Sarah is trained in mediation for couples and for those in the workplace to negotiate a resolution.  She can also provide parenting capacity assessments.

Sarah consults from Wayville.

Associated Services

Melissa Rodi

Clinical Psychologist

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Melissa Rodi is a Clinical Psychologist whose primary training and focus has been on working with children, adolescents, young adults and their families.  She has always had a great passion and special interest in this area, specialising in early intervention.  She is experienced in behavioural approaches and more specifically, applied behavioural analysis (ABA) therapy.  She connects well with children using a fun, enthusiastic, structured and ‘firm but fair’ approach in her therapeutic style.  She seeks to support parents and families in building their toolbox and confidence to manage behaviour and develop skills, as well as working with schools to support students with ASD. Melissa can provide support in the areas of general behavioural management, social skills training, emotion regulation (anxiety, anger, depression) and toilet training.

Melissa is recognised by The Autism Association of SA as able to provide diagnostic services for children, adolescents and adults suspected of having an Autism Spectrum Disorder.  This can be offered as a single opinion assessment or as a Dual Assessment (two professionals from different disciplines).  She has experience in many different differential diagnoses e.g ADHD, trauma background.

Melissa also provides comprehensive intellectual and learning disorder assessments (e.g testing for giftedness, intellectual disability or a learning disorder) to children and adults of all ages.  She is also able to offer adult functional capacity assessments (e.g assessment required for a Disability Pension application).

Melissa loves connecting with the community and has presented a number of workshops in the area of Autism Spectrum Disorder and behavioural therapy.

Melissa will always strive to be a supportive member of your team and to make a positive difference in you and/or your child’s journey.

Melissa is currently on Maternity leave.

Associated Services

Genna Berlingeri

Clinical Psychologist

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Genna is a registered psychologist and Member of the Australian Psychological Society.  She is primarily interested in working with children, adolescents and their families.  Genna has specialist skills in the field of Autism Spectrum Disorder and has extensive experience in behaviour intervention and management, social skills training and parent support.  She is recognized by The Autism Association of SA as a provider of diagnostic services for children, adolescents and adults suspected of having an Autism Spectrum Disorder.

Genna also has particular interests helping children and their families with:

  • General behavioural issues (parent support, managing difficult behaviours, toileting issues)
  • School difficulties and peer relationships (bullying, friendship difficulties, developing positive strategies with school staff)
  • Emotional development (anger, anxiety, self-esteem)
  • Psych-educational assessments (IQ and learning difficulties)

Genna is committed to assist children reach their maximum potential in terms of development, behaviour and learning.

Genna consults from Wayville on Thursday and Fridays.

Associated Services

Alycia Powell-Jones

Clinical Psychologist

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Alycia is a Registered Psychologist who is a member of the Australian Psychological Society. She works with adolescents and adults to help address a range of concerns include depression, anxiety, self-esteem issues, school difficulties, stress management, self harm, and behavioural management. Alycia is also trained in working with adults who have complex presenting concerns and personality disorders. Alycia is also able to offer cognitive (IQ) and educational assessments to children, adolescents, and adults.

Alycia has worked in a range of public and private mental health settings. She works with clients in an understanding, and empathetic manner to develop a safe therapeutic relationship, as this is fundamental in moving towards positive change. She tailors her treatment approach to the individual needs and goals of each client. Alycia works within a cognitive behavioural therapy and schema therapy framework. She is also currently undertaking advanced training in schema therapy.

Alycia consults from Wayville on Tuesdays and Thursdays. 

Associated Services

Dr Michelle Short

Registered Psychologist

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Michelle is a registered psychologist and clinical registrar who is a member of the Australian Psychological Society. She has a warm and supportive approach and enjoys working with clients' values and strengths to help them achieve their goals. Michelle's therapeutic approach is guided by two core principles: that all persons have inherent value and worth; and that every person working with a psychologist has a right to be provided with the very best in evidence-based practice.  

Michelle specialises in treating sleep problems and sleep disorders across the lifespan. She completed her PhD at Flinders University specialising in paediatric sleep and has worked as a sleep researcher for many years. She has over 50 scientific publications, and is on the Editorial Board of international scientific journals, SLEEP and Behavioural Sleep Medicine. Michelle treats a range of sleep problems in clients from 6 months to older adults.  

In addition, Michelle provides comprehensive educational assessments for clients aged 6 and older, and has expertise in treating adolescents and adults with social anxiety, perfectionism, depression, anxiety and other psychological conditions. Michelle enjoys working with clients from a range of backgrounds and lived experiences, in particular, people on the Autism Spectrum and LGBTIQ+.  

Michelle consults from Wayville on Mondays, Wednesdays and Fridays.

Jessica Wilcock

Registered Psychologist

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Jessica is a Registered Psychologist with the Australian Health Practitioner Regulation Agency (AHPRA). Her primary focus has been working with children, adolescents and their families to address a range of presenting concerns including school difficulties, anxiety, learning difficulties, emotion regulation, behavioural difficulties and substance use. Jessica is trained in early intervention for children with Autism Spectrum Disorder using Applied Behaviour Analysis (ABA). Jessica also provides comprehensive cognitive (IQ) and learning assessments for children and young people.  

Jessica approaches her work with clients in an understanding and empathetic manner. She is committed to developing strong therapeutic relationships with clients and adapts her approach to meet individual needs. Jessica endeavours to provide clients and their families with the skills to move towards positive change and optimise wellbeing.   

Jessica consults from Headstart’s Wayville and Gawler offices.

Associated Services

Dr Peter Gibbon

Registered Psychologist

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Peter is a warm and engaging therapist who works collaboratively with clients to assist them towards positive mental health and to attain personal goals. Peter provides therapy to adults and adolescents aged 12 and over. His psychological therapy is solution focused, evidence-based and supported by extensive experience. 

Employing a positive psychology perspective, the overarching aim of Peter’s therapeutic approach is to assist individuals towards more fulfilling, rewarding and satisfying lives. Working in collaboration with clients, he creates practical and actionable solutions that foster success in life, social interactions and personal endeavours. Developing a collaborative relationship with each client, Peter works with them to create, implement and maintain pragmatic changes that acknowledge and draw upon the client’s resources and strengths. 

Peter treats a wide range of issues including Adjustment Disorder, anger management, Anxiety and Social Anxiety, burnout, Depression, grief and loss, life stage transition, Mood Disorders, Obsessive Compulsive Disorder, Panic Disorder, Personality Disorders, self esteem issues, stress related disorders and work-related difficulties. He employs a range of therapeutic approaches including Acceptance and Commitment Therapy, Client Centred Therapy, Cognitive Behavioural Therapy (CBT), Motivational Interviewing, Psychoeducation and Solution Focused Brief Therapy. 

Peter consults from Headstart’s Gawler office.

Associated Services

Letitia Wagenknecht

Registered Psychologist

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 Letitia is a Registered Psychologist with the Australian Health Practitioner Regulation Agency (AHPRA). Her primary focus is working with children, adolescents and their families. Letitia has a keen interest in the areas of Autism Spectrum Disorder, behavioural challenges, social skills development (individual and group), school difficulties (including engagement and learning challenges), emotional regulation, and parenting support. Letitia strives to develop strong therapeutic relationships with her clients with the aim to develop skills that assist in addressing the presenting issues. She is committed to assist clients reach their maximum potential. Letitia also provides comprehensive cognitive (IQ) and education assessments (learning) for children and young people.

Letitia consults at Wayville on Tuesday, Thursday and Goolwa on Fridays. 

Associated Services

Alliyza Lim

Registered Psychologist

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Alliyza is a Registered Psychologist and associate member of the Australian Psychological Society. She is currently completing her PhD in Clinical Psychology at Flinders University, where she is investigating impression formation toward individuals with Autism Spectrum Disorder.  

Alliyza is committed to using evidence-based practice to empower clients to achieve their goals. In particular, she has special interest in working with children and their families to address anxiety and behavioural difficulties, and in supporting positive mental health among adults with anxiety, depression, and post-traumatic stress disorder (PTSD). She also conducts comprehensive intellectual and psychoeducational assessments for children, adolescents, and adults. 

Alliyza consults from the Wayville office on Tuesdays, Wednesdays, and Fridays.

Associated Services

Joanna Tsirgiotis

Registered Psychologist

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Joanna is a registered psychologist and an associate member of the Australian Psychological Society. She offers intellectual ability (IQ) assessment and comprehensive psycho-educational assessment of learning difficulties for children, adolescents and adults

Joanna holds a First Class Psychology Honours degree from the University or Adelaide and is in the final months of a PhD (Clinical Psychology) candidate at Flinders University. Her thesis is concerned with how Autism Spectrum Disorder presents in girls and women. She is committed to helping clients reach their full potential. 

Joanna consults from the Wayville office.

Associated Services