Mental Health & Allied Health Partners

How We Partner With Mental Health Professionals

With a focus on holistic client support, Performance in Health Wellbeing clinic in Stanmore is home to several highly experienced independent mental health professionals.  Tanya’s focus as Founder of this clinic was to integrate physical health and mental health for optimal wellbeing and is honoured to work alongside some of Sydney’s leading mental health practitioners.

Providing services in clinical psychology, psychology, psychotherapy, grief & bereavement counselling, mental health social work, their individual profiles, contact details and websites are provided should you wish to reach out for personalised support.

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About Jemma Doley

Jemma is a registered psychologist with a passion for positive psychology, workplace well-being and coaching.  Jemma is experienced in working with anxiety disorders, including social anxiety disorder and emetophobia, depression, trauma, grief, workplace issues, stress management and other issues.

In addition, Jemma is an experienced coach with a Masters Degree in Coaching Psychology and is passionate about career coaching, workplace and executive coaching and life coaching to help people to achieve their goals.   Jemma has an interest area in applying coaching to assist clients to meet their health and wellness goals.

Jemma practises using evidence-based techniques including CBT, ACT, DBT, Solution Focused Brief Therapy and Motivational Interviewing.  In addition, Jemma is a psychology board accredited 4+2 Supervisor and offers supervision to provisionally registered psychologists.

Jemma’s warm, friendly and approachable personality mean she has an ability to connect with a range of clients across many issues. She has a deep concern for the well-being of her clients and works to maximise the best outcomes for her clients in a collaborative and supportive environment.  Jemma is currently completing her masters degree in Clinical Psychology with Charles Sturt University.

Jemma can be contacted on +61 0421 134 402 or [email protected]  should you require any further information relating to her current appointment availability and costs, or for help with any other questions you may have.

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Jemma Doley

Psychologist, Coach, Mediator, Facilitator

Marzena Diard

Marzena is a certified Psychotherapist and a Counsellor who offers a gentle and supportive environment to anyone seeking connection, understanding and support on the journey towards healing.

Born in Poland, raised in Germany, and now calling Australia home for over 15 years, Marzena brings a rich, multicultural perspective to her work as a counsellor and psychotherapist. Her personal journey with Endometriosis has deepened her understanding of chronic pain, leading her to specialize in pain management through the Chronic Pain Method. With experience as both a parent and a former preschool teacher in Germany and Australia, She offers a unique insight into the complexities of parenthood, equipping parents with practical tools to foster connection and cooperation.

Her therapeutic approach is rooted in Gestalt Therapy, integrating Somatic Psychotherapy, Sensorimotor Psychotherapy, and Polyvagal Theory. With a trauma-informed perspective, She tailors her work to each individual, honoring the present moment, past wounds, and the relational dynamics that shape their experiences. Her goal is to support clients in developing a deeper awareness of their emotional and embodied experiences, empowering them toward healing and growth.

She welcomes people from all backgrounds and experiences. 

She believes that we all are unique and need to be understood in our own context for healing to take place. Therefore the relationship between Therapist and Client is at the heart of Marzena’s work with you, combined with curiosity, understanding and compassion.

Her support may be suitable for individuals who are experiencing:

  • A lack of balance in their lives
  • Anxiety and depression
  • Relationship challenges
  • Work and Home Stress
  • Grief and Loss
  • Healing from miscarriage  
  • Trauma or unresolved emotional issues
  • Supporting parents with their challenges in parenting
  • Abuse Counselling: Domestic Violence & Emotional Abuse
  • Chronic Pain 
  • Identity issues or life transformations 
  • Challenges after migrating to Australia that may include isolation, being homesick and adjusting to a new culture

Or are seeking:

  • Personal growth and Self- exploration
  • Support to improve coping skills and resilience
  • Support in finding solutions to a range of life events

Marzena holds a Graduate Diploma in Gestalt Therapy; Advanced Clinical Certificate in Contemporary Gestalt Therapy and a Diploma in Counselling.  Marzena can offer therapy in Polish and German if these languages are preferred. She is a member of PACFA and Gestalt Australia and New Zealand (GANZ).

For a free 15 min consultation please contact Marzena at [email protected] or 0452411189.

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Marzena Diard

Gestalt Psychotherapist and Counsellor

Claudia Vayda

With over 25 years’ experience as a Psychologist and Family Therapist, Claudia brings breadth, depth of expertise and wisdom to both her clients and the clinic.  Having worked in crisis and outpatient settings with drug and alcohol, at-risk and acute mental health populations, as well as adolescents, families, couples and individuals in short-and long-term programs of work, Claudia is an accomplished therapist, who now works as both a provider of services and a clinical supervisor and mentor to others.

Claudia brings experience to facilitate and create sustained positive change.  She enjoys working with clients to create and move towards compelling life goals whether they are work related, personal, educational or spiritual. Her approach allows clients to identify their limitations and fears and work on transcending them to create hope, possibility and fulfilment. 

Claudia’s areas of focus include Mood and Anxiety Disorders; Couples and families; Trauma; Self-esteem and self psychology; mentoring and supervision; long-term psychotherapy.

Claudia’s qualifications include Master in Arts (Psychology) (USYD), Master in Couple and Family Therapy (UNSW), an Advanced Diploma in Naturopathy, Diploma in Nutrition, as well as a Certificate of Psychological Practice and a Cert IV in Coaching and Mentoring.

Claudia can be contacted at [email protected] or on 0405 339 155 for further information about current appointment availability and costs, or for help with any other questions.

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Claudia Vayda

Psychologist, Family Therapist & Clinical Supervisor

Thomasin Litchfield

Thomasin is a psychotherapist and counsellor working with individuals and couples. At the core of her practice is the belief in people’s ability to grow and find greater satisfaction.

She works with:

  • relationship issues
  • anxiety
  • trauma
  • a lack of meaning or purpose
  • depression
  • self esteem
  • life changes

Her approach to therapy is humanistic, drawing particularly on existential, psychodynamic and somatic frameworks. She explores with each client what is going to work best for them and the relationship between client and therapist is at the heart of her work. Her practice is trauma-informed and she is committed to ongoing professional training. She has completed the Gottman Method Couples Therapy – Level 1.

Thomasin holds a Masters degree in Counselling and Applied Psychology and is member of PACFA. She is also a certified Iyengar yoga teacher. For more information, go to thomasinlitchfieldtherapy.com, email [email protected] or call +61 0411 104 180.

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Thomasin Litchfield

Psychotherapist, Counsellor

Dr. Jane Mowll

Jane is an experienced grief therapist who works with individuals and families experiencing bereavement, grief, loss, and traumatic stress (including prolonged or complicated grief).  Jane has a particular commitment to working with clients experiencing the sudden, violent, or unexpected death of a family member or friend. As a senior clinician Jane draws on over 30 years of practice including 16 years of experience working in the Forensic and Coronial systems in NSW. Jane is also an experienced supervisor and is available for clinical supervision/ consultation.

As an Accredited Mental Health Social Worker Jane works with each client to support their unique strengths and capacities. Jane draws on evidence-supported therapeutic frameworks including CBT, interpersonal Psychotherapy (IPT), mindfulness, ACT, systemic, narrative and constructionist (meaning making) approaches. Jane centres the importance of the therapeutic relationship to support each client and will work collaboratively with you to meet your individual needs and goals.

As well as her Social Work and therapy training and experience Jane holds a PhD from the University of NSW and her research explores the meanings and experiences of bereaved family members and friends in the wake of grief or loss. Jane is an experienced academic who also supervises and teaches in Social Work and counselling.

Jane can be contacted at [email protected] or on 0411 286 997 during business hours for further information about current appointment availability and costs, or for help with any other questions.

Jane is available for appointments on Saturday Mornings.

Dr. Jane Mowll

Dr Jane Mowll

Mental Health Social Worker, Counsellor & Clinical Supervisor

Alex Quirk

Alex is a certified counsellor informed by the psychodynamic, existential, and humanistic traditions. He offers his clients an explorative space for the deeper roots of their difficulties to be understood and integrated, rather than brushed over with band aid solutions. Ultimately, he aims to help his clients cultivate greater self-knowledge, self-compassion and emotional resilience, empowering them to bring about lasting and authentic changes in their lives.

Alex welcomes people from all walks of life and works with adults and adolescents. His key areas of focus:

  • substance use
  • addictive behaviours
  • anxiety
  • relationships and attachment
  • trauma
  • childhood wounds
  • life purpose and meaning
  • grief
  • depression

Alex holds a Master of Counselling and is registered as a Certified Practising Counsellor with the Psychotherapy and Counselling Federation of Australia (PACFA). To arrange a free introductory call, please email Alex at [email protected] or send an SMS to 0455 857 958.

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Alex Quirk

Certified Counsellor

Kirsten O’Sullivan

Kirsten O’Sullivan is a Relationship Counsellor with experience supporting individuals, couples, and families through relationship challenges, emotional distress, addiction recovery, and life transitions. Drawing on attachment-based and trauma-informed approaches, Kirsten integrates Emotion-Focused Therapy, Schema Therapy, CBT for Couples, and Systemic Family Therapy to help clients better understand the deeper emotional patterns influencing conflict, communication, connection, and wellbeing.

Having worked with clients across organisations including Relationships Australia and Southern Highlands Addiction Retreat, Kirsten provides compassionate, evidence-based support tailored to each client’s unique experiences and needs. She works collaboratively with clients to strengthen communication, rebuild trust, improve emotional awareness, and foster healthier, more secure relationships.

Kirsten’s approach creates a warm, inclusive, and non-judgemental space where clients can safely explore challenges relating to relationship conflict, anxiety, depression, family difficulties, trauma, intimacy concerns, grief, and emotional disconnection. She is passionate about supporting individuals and couples to create meaningful growth, lasting emotional change, and deeper connection within themselves and their relationships.

Kirsten’s areas of focus include couples counselling, relationship conflict, attachment and emotional disconnection, trauma-informed therapy, addiction and recovery support, family conflict, communication difficulties, intimacy concerns, anxiety and depression.

Kirsten can be contacted at [email protected] or via her website www.kirstenosullivan.com for further information about current appointment availability and costs, or for help with any other questions.

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Kirsten O’Sullivan

Relationship Counsellor