Our Team

About Our Team

At Felix & Sage Psychology Ringwood, our team of Psychologists are fully (or provisionally) registered and are recognised providers with Medicare Australia.

Our practitioners are required to maintain high professional standards including continued professional development, which enables them to provide a quality service to each of our clients.

We are delighted to have created a diverse team of practitioners, with differing areas of interest and therapeutic approaches.  This culmination of expertise enables us to cater to clients across the life span with varying treatment goals.

CHRISTINA HEREFORD

Principal Psychologist - BSc, PGDipPsych, M.Psych (Edu), MAPS


Christina has in excess of 13 years’ experience as a registered psychologist providing quality psychological care to clients in a variety of settings including Private Practice, Government Departments and Primary Schools.

Christina’s warm, engaging and empathetic personality combined with her good knowledge of a wide range of solution focussed, evidence-based therapeutic interventions has led to her success in assisting a wide variety of client groups.

Christina has extensive experience in providing counselling to individuals, couples, teenagers and children and is passionate about supporting her clients to problem solve, set and achieve goals to enhance meaning in their lives.

Christina’s areas of interest include adjustment disorders, anxiety disorders, depression, eating disorders, grief & loss, personality disorders, pregnancy, separation anxiety and workplace issues.

In addition to counselling, Christina is also a Psychology Board Approved Supervisor and she has a keen interest in supervising both provisional psychologists and registered psychologists.

LINDIE OPPERMANN

Psychologist, Clinical Registrar - BA Arts, BA Arts Honours, M.Arts (Clinical Psychology)


Lindie Oppermann has more than 8 years’ experience as a psychotherapist.  She received her qualifications in South Africa, where she worked in a hospital setting in private practice.  Lindie has also counselled various clients in Hong Kong in a community private practice environment.  In Singapore, she worked as a school counsellor at an international school. 

Lindie moved to Australia in 2018 and due to her off-shore qualifications was required to undertake an internship to register as a General Psychologist in Australia.  Lindie successfully completed her internship with us under the supervision of Ms Christina Hereford.

Lindie has a special interest in working with children, adolescents and families, as well as clients of all ages who suffer from anxiety and depression.  She also enjoys working with clients who are experiencing grief/loss, those going through a time of adjustment, and clients getting back on their feet after experiencing trauma. 

Lindie has a warm and compassionate style in relating to clients and enjoys working from Cognitive Behavioural Therapy and Narrative Therapy frameworks. She has a practical, empathetic approach to tackling problems and emotional difficulties alongside her clients. 

Lindie is bilingual and is able to provide counselling services in both English and Afrikaans.

 

MR OLIVER WALUK

Clinical Psychologist - BA(Crim.), GDipPsychStuds, GDipPsych, MPsych(Clin), MAPS


Over the last few years, Oliver has provided quality psychological care to clients across multiple settings, including; Private practice, Alcohol and other Drugs (AOD) services, Hospitals, and Schools.

Oliver has experience working with adults, teenagers, and children and he is passionate about supporting and working together with his clients to collaboratively problem solve, set and achieve realistic goals, and build coping skills, to help clients manage distressing events and experiences more effectively. 

Oliver’s warm, empathetic, thoughtful, and holistic client-centered approach to counselling helps to identify and understand what troubles clients’ and then tailors treatment towards working together on their individual needs.  This has led him to successfully help many clients enhance the meaning and quality of their lives.

Oliver is practiced in several evidence-based therapeutic modalities, which include (but are not limited to):  Cognitive Behavioural Therapy (CBT), psychoanalytic, and mindfulness-based treatments.  Oliver is also well-rehearsed in several cognitive and personality assessments (Inc. WAIS-IV, WISC-V, and PAI).

Oliver’s diagnostic areas of interest include: depressive, bipolar, anxiety, personality, somatic, traumatic, impulse-control, substance-related and addictive DSM-V disorders.  He also works to assist clients struggling with recurrent problems related to: grief & loss, adjustment, relationships and communication difficulties, lack of motivation, complex trauma, workplace issues, stress management, and suicide.

CAROLINE (CAS) WEARNE

Psychologist - BA (Psych&Sociol), GDip AppPsych, MPsych (Counselling)


Cas is a registered psychologist who graduated with a Masters of Psychology (Counselling Psychology) in 2007. Since then, she has worked with young people in the public mental health system and at headspace. Most recently, Cas has worked in adult in-patient psychiatric care.

Cas has experience in numerous therapeutic approaches, including Acceptance Commitment Therapy, Cognitive Behavioural Therapy, Person Centred Therapy, and Strengths Based Therapy and has an interest in Self-Compassion and Mindfulness. Cas works in collaboration with clients to agree on the most helpful treatment style and goals.

Cas enjoys working with adults, particularly young people, to build a trusting and collaborative relationship and work together to overcome mental health challenges that can impact their enjoyment of life. Her areas of interest and expertise include anxiety, depression, psychosis, eating disorders and queer mental health.

SASH COSTA

Psychologist - BSc, PGDipPsych, M.Psych (Edu), MAPS


Sash Costa has completed a Master of Educational & Development Psychology.

Sash has over 10 years experience as a registered psychologist, predominantly conducting psychosocial assessments and assessment of the impact of mental health conditions on work capacity.

Sash works with us conducting cognitive assessments of children, adolescents and adults.

CADENCE WILLIAMSON - Telehealth Consultations Only

Psychologist - BSocSc, PGDipPsych, M.AppPsych (Comm)


Cadence is a registered psychologist with 13 years’ experience working in counselling, case management, and mental health education. She is particularly experienced in the areas of crisis intervention, working with high-risk clients, complex mental health issues, as well as pioneering and developing programs for community education.

Cadence is passionate about working with people who have experienced trauma, abuse and neglect, as well as utilising community education as a strategy to empower people, to prevent mental health issues and to promote wellness at both the individual and community level.

As a counsellor, Cadence is warm, empathic and holistic in her approach, and draws on theories such as ecological theory and trauma theory to inform her analysis. Cadence is practiced in a variety of therapeutic modalities including, Family/Systems Therapy, CBT, play-therapy, psychoanalytic, and mindfulness-based treatments. She enjoys working with people of all ages and backgrounds, though she has a particular interest in children youth and family work.

KATHERINE (KATHY) DE VALENCE

Provisional Psychologist - GDipPsychStuds, GDipPsych, M.ProfPsych


Katherine is a registered Provisional Psychologist who has an empathetic and client-focused approach to therapy.  She completed her Masters of Professional Psychology at Deakin University in 2018. During this time she completed a four month placement at Headspace and gained valuable experience with youth mental health. Katherine will be completing her internship with us under the supervision of Ms Christina Hereford for the next 2 years.

Katherine has over 10 years’ experience in working across the lifespan in a variety of settings including; outpatient mental health, Government, vocational rehabilitation and assessment.  Katherine is passionate about helping her clients learn and grow to become a better version of themselves.  She has worked with a range of presenting problems including anxiety, depression, return to work, disabilities and much more. Most recently, Katherine has worked as a Rehabilitation Counsellor, completing assessments for Government organisations. 

Katherine is committed to working collaboratively with her clients to find the best therapeutic approach to suit their needs, utilising  frameworks including; Cognitive Behabioural Therapy, Acceptance and Commitment Therapy and Solution-Focused Therapy. She is interested in supporting clients of all ages with issues relatind to mood disorders; depression & anxiety, relationship difficulties, work related stress, as well as vocational and congnitive assessments. 

Katherine is bilingual and is able to provide counselling services in both English and Spanish.

 

 

AMANDA HAYWARD - Telehealth Consultations Only

Provisional Psychologist - BNurs, BA (Counselling), GDipPsych, HonsinPsychology


Amanda is a registered Provisional Psychologist who brings a caring, empathetic, and client-centred approach to therapy. She completed her Honours in Psychology at Monash University in 2020. Amanda will be completing her internship with us under the supervision of Ms Christina Hereford.

With a background in both Nursing and Counselling, Amanda has worked in a variety of settings, most recently, she has been a Counsellor in a secondary school for 8 years, working predominantly with adolescents and families, as well as developing and delivering both in class and small group programs. She has worked with a range of presenting problems including; anxiety, depression, anger management, bullying, self-esteem issues, family conflict, school refusal, behavioural issues, and stress. 

Amanda is dedicated to working collaboratively with her clients in seeking a therapeutic approach that best suits the individual and utilises frameworks including, but not limited to; Cognitive Behavioural therapy, Solution-Focused Therapy, and Person-Centred Therapy. 

Amanda is passionate about supporting her clients in building resilience, goal setting, and enhancing their quality of life. She is interested in supporting a range of clients across the lifespan with issues relating to relationship difficulties, stress, grief and loss, self-esteem issues, depression, anxiety, mood disorders, and cognitive assessments.

TEGAN MCKAY - Telehealth Consultations Only

Provisional Psychologist - BSocSc(Psych), GradDipPsych, AAPi Member


Tegan is a registered Provisional Psychologist in her final stage of becoming a fully registered Psychologist.

Tegan is passionate about supporting people from all walks of life, no matter their location – metro, regional and remote.

Tegan has experience working in acute and community mental health settings, as well as in the corrections sector which has enabled her to gain experience in working with adolescents and adults across the lifespan in both public and private settings.

Tegan will endeavour to make you feel heard, without judgement, while working with you to progress in the areas in life that you are struggling with. She implements a range of evidence-based therapeutic modalities that are specifically tailored for your needs, including CBT, DBT, ACT & Mindfulness based interventions.

​Tegan has an interest in working with clients experiencing Depression, Anxiety / Social Anxiety, Grief & Loss, Substance Abuse & Addiction, Behavioural Change and Workplace Stress.

EMAN SHEHATA

Provisional Psychologist - BPsychSc, BPsychSc(Hons)


Eman is a registered Provisional Psychologist and Behaviour Support Practitioner.  She has a Bachelor degree in Psychological Science (Honours) and is currently completing her Masters of Clinical Psychology.

Eman’s background includes working with people of all ages and managing problematic emotional and/or behavioural concerns.  Her experience working in both forensic and clinical settings has given her a highly adaptable and holistic approach towards making real positive emotional and behavioural changes. 

Eman enjoys collaborating with her clients to tailor individualised treatment plans whilst utilising a variety of therapeutic techniques and evidence based models.  These include, Cognitive Behavioural Therapy (CBT), Transdiagnostic Therapy, Mindfulness based interventions, Acceptance and Commitment Therapy (ACT) and more. 

Eman is dedicated to providing a warm and non-judgemental space for her clients to express themselves and has a keen interest in supporting people struggling to manage behaviour concerns, trauma/PTSD, anger, shame, anxiety, depression, interpersonal relationship issues and parenting.

LISA DIAZ

Provisional Psychologist - BHSc(Public Hlth), GDip Psych Adv, Assoc MAPS


Lisa is a registered Provisional Psychologist and has completed her post-graduate psychological studies at Monash University in 2020. Lisa completed a Health Science degree (majoring in Public Health) at La Trobe University prior to endeavouring on her journey to obtaining full registration as a Psychologist. Lisa will be completing her internship with us under the supervision of Ms Christina Hereford.

Lisa has experience working as a Provisional Psychologist in the field of Organisational Psychology, where she worked with a wide range of client presentations. Additionally, Lisa has experience volunteering as a crisis support worker with Lifeline Australia providing counselling and suicide prevention support to callers.

Lisa has an empathetic nature and is passionate about ensuring that her clients receive individually tailored and evidence-based therapeutic care to help them achieve their goals. Lisa has experience working with a range of client presentations including but not limited to; depression, anxiety, adjustment disorder, post-traumatic stress disorder, work-related stress, relationship conflict/breakdown, and grief and loss.

Lisa is passionate about building trust and rapport with her clients and providing them with a warm, safe, and non-judgemental space in which they can explore their concerns. In her therapeutic work, Lisa takes a respectful and compassionate approach. She believes in using evidence-based treatment models to assist her clients to better understand their concerns, identify and utilise their strengths, and establish and achieve their goals. Lisa utilises therapeutic interventions including, but not limited to; Cognitive Behaviour Therapy (CBT), Interpersonal Psychotherapy, Acceptance and Commitment Therapy (ACT), Emotion Focused Therapy, and Motivational Interviewing (including mindfulness training). Lisa is experienced in providing therapeutic support in both face-to-face and tele-health settings.

YANNIK SAUERBORN

Provisional Psychologist - BSc (Psych), Assoc MAPS


Yannik is a registered Provisional Psychologist who completed his Bachelor of Science (Psychology) in the UK and Germany, before moving to Australia in 2018.  Since moving to Australia, Yannik has undertaken Lifeline training and has gained experience in counselling and mental health support with a variety of client presentations across the lifespan.

While Yannik does work with a variety of client presentations and ages, as a member of the LGBTIQA+ community, he is passionate about working with individuals that identify as gender diverse or same-sex attracted.

Yannik uses many different therapy modalities, which include Cognitive Behaviour Therapy (CBT) and Schema Therapy.  He understands that when going through difficult situations in life it often helps to have someone who simply listens.  Yannik is all ears. 

Yannik is bilingual and is able to provide counselling services in both English and German.

Jessie Pearson

Accredited Practicing Dietitian


Jessie is an experienced Accredited Practicing Dietitian and Primary School Teach who has working in clinical, community and aged-care dietetics. 

Jessie recognises that our nutrition needs change throughout our lifespan and that achieving an optimal nutrition status can play a big role in our everyday lives, our participation in society and our health and development.

Jessie has a broad range of professional interests and works with a range of presentations across the lifespan including (but not limited to): Eating Disorders, Fussy Eating, Diabetes Mellitus and endocrinology conditions, Weight management, Gastrointestinal conditions, Food allergies and Enteral feed management.

For more information about dietetic services at Felix & Sage Psychology please click here.

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