AT Full Potential is a team of highly qualified Psychologists who offer Counselling services to help improve your mental health and overall quality of life.

AT Full Potential Psychology Practice, we aim to provide the best quality assessment, diagnosis and treatment services by a team of highly qualified and experienced practitioners. Katrina Langhorn is the Director and Principal Psychologist, She would like to introduce you to the team. We have 7 part-time psychologists and 2 full time psychologists.

AT Full Potential therapists are experienced in a number of child and family-related domains as shown below: 

Camden Area

  • Photo of Katrina Langhorn
    Katrina Langhorn
    Registered Psychologist
    Katrina Langhorn is clinical director of AT Full Potential and an AHPRA supervisor.  Katrina has been a practicing registered psychologist for 20 years and is also a qualified teacher. Katrina works in both the public and private Sectors and has a vast experience in schools, Out of Home Care, disability fields, & juvenile justice centres. Katrina is a NSW facilitator for Positive Partnerships (Autism) and Wollondilly Women in Business.
  • Photo of Simon Henry
    Simon Henry
    Registered Psychologist
    Simon Henry is a Registered psychologist with over 20 years experience in providing psychological interventions to individuals experiencing a wide range of issues including depression, anxiety, post-traumatic stress disorder, grief and loss, and ADHD/behavioural concerns. Simon also has considerable experience working with individuals on the Autism Spectrum.
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    Simon’s approach is person-centred and draws on a range of evidence-based therapeutic approaches including Cognitive Behavioural Therapy (CBT) and Acceptance and Commitment Therapy (ACT). He works with children, adolescents, adults and families with a focus on collaboration in order to develop understanding of emotional experiences while building upon helpful and adaptive coping responses. Simon is passionate about creating a space within his sessions that allow for creativity and expression in order to further his clients’ understanding of psychological processes while remaining engaged and motivated to work towards meaningful change.  

    Simon is able to undertake referrals made by medical practitioners (through a Mental Health Care Plan) as well as through the Workcover/MVA/CTP and NDIS pathways.

  • Photo of Margueritte Gossayn
    Margueritte Gossayn
    Registered Psychologist
    Margueritte Gossayn is a Registered Psychologist who is trained in evidenced based psychological intervention ranging from but not limited too; Cognitive Behaviour Therapy, Relationship Counselling, Mediation, Expressive Therapies, Drug and Alcohol Counselling, Trauma Therapy, Mindfulness approaches and other therapeutic modalities.
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    She works primarily within a Cognitive Behavioural framework, with adults and adolescents, who have a wide range of psychological difficulties, such as depression, anxiety, adjustment disorder, sexual dysfunction, ARFID, PTSD, Chronic Pain, and psychological difficulties following work-related injury and stress. Additionally, Margueritte also provides vocational and career counselling and assessment as well as a variety of psychological assessments and diagnostic tools for behavioural and intellectual conditions. In addition to this, Margueritte also specialises in WorkCover and Comcare and has worked with ADF, RAAF, Police, probation and parole, NSW Ambulance and other government Agencies. 

  • Photo of Sofie Schreuders
    Sofie Schreuders
    Registered Psychologist
    Sofie Schreuders is a Registered Psychologist who has experience working in both public mental health facilities as well as private practice. She works with a wide age-range, from high school age to the elderly. 
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    In practice, she uses several therapeutic strategies such as Cognitive BehaviourTherapy ( CBT), Acceptance and Commitment Therapy (ACT) and Dialectical  Behaviour Therapy (DBT) and has previously been a co-facilitator for a DBT group. She has experience in supporting those with personality, mood and anxiety disorders, learning difficulties, neurological and psychotic disorders. She is WORKCOVER/MVA/CTP trained, received training in Radical Exposure Tapping (RET), works with NDIS clients, and is a Board-Approved Supervisor. As she has a background in Neuropsychology(Master’s Degree obtained in The Netherlands), she is also interested in providing psychometric testing, assessment and interpretation to assist in the diagnostic process.

  • Photo of Joanne Lawrence
    Joanne Lawrence
    Registered Psychologist
    Joanne Lawrence is a registered psychologist who graduated with a Bachelor of Psychology in 2010. Joanne has worked in the human resources sector, in public hospital inpatient and outpatient settings and with under privileged people.  Joanne is a local but started her internship in private practice in a mining town in outback NSW and finished it here with us at At Full Potential. Joanne likes to work with a range of clients, particularly people who may be apprehensive about therapy.
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    Joanne uses several therapeutic strategies including Cognitive Behavioural Therapy, Schema Therapy, mindfulness techniques and relaxation strategies. She is also trained in the Gottman method for Couples Therapy. Joanne’s passions include environmental conservation, animal advocacy, she has a strong interest in all things personal finance and moonlights in film and tv at times.

  • Photo of David McDermott
    David McDermott
    Registered Psychologist
    David is a Registered Psychologist who is trained in evidenced based psychological assessment and intervention.
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    Registered Psychologist (PSY0002478063)
    Bachelor of Psychology (Honors) Class 1, Bachelor of Social Science (Psychology) with Distinction
    Medicare No: 6555101X
    SIRA No: 22604

    David is a Registered Psychologist who is trained in evidenced based psychological assessment and intervention. He works with individuals across the lifespan including children over the age of 10 years, adolescents, adults and older adults. He has experience in a variety of clinical presentations including anxiety disorders, obsessive and compulsive disorder, mood disorders, psychotic disorders, substance abuse/dependency, posttraumatic stress disorder, (PTSD), personality disorders, autism spectrum disorder, attention deficit hyperactivity disorder (ADHD)/behavioural concerns, grief and loss, stress and adjustment concerns. In addition, David provides and administers evidence-based assessments for diagnostic purposes to both children and adults. He draws upon a variety of therapeutic approaches including cognitive behavioural therapy, schema therapy, dialectical behaviour therapy and mindfulness-based approaches to better support his clients. David is able to undertake referrals made by medical practitioners under the Medicare rebate system (through a Mental Health Care Plan) as well as through the Workcover/CTP and NDIS pathways.

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