Meet Our Team
Get the best care and therapy from the team of experts at Sigma Therapies.
Our psychologists, occupational therapists, and behaviour support practitioners are compassionate, empathetic, and dedicated to supporting every client's needs.
Learn more about our clinicians, their specialty areas, and how they can help you on your recovery journey.
Send us any questions you might have before booking a session with our team.
Nicholas Fares
BPsych, GradDip
Director, Psychologist & PBS Practitioner at Sigma Therapies
Former Psychology Clinic Manager, School & Aged Care Psychologist | Private Practice Psychology & Positive Behaviour Support Specialist
Nicholas Fares is a dedicated and empathetic psychologist with a rich background spanning aged care, the Department of Education, private practice, and the disability sector (NDIS). This diverse experience enriches his approach to mental health care, allowing him to connect deeply with clients from all walks of life.
Nicholas began his career in the NDIS, where he developed expertise in crafting tailored interventions and assessments for individuals with disabilities. He then transitioned to the Department of Education, working in various schools, and gaining a profound understanding of the unique needs of children and adolescents. Later, Nicholas moved into aged care, where he worked with older adults, addressing their specific psychological needs.
In his private practice, Nicholas specialises in providing personalised psychological services to individuals grappling with a range of challenges, from anxiety and depression to more complex psychological disorders. His varied experiences have been essential in shaping his empathetic and individualised approach to therapy.
Nicholas’s practice is centred on comprehensive assessment, developing personalised intervention strategies, and providing in-depth counselling. He is deeply committed to supporting and guiding his clients on their journey towards mental wellness, leveraging his extensive experience to offer effective, compassionate care.
Nicholas specialises in Cognitive Behavioural Therapy (CBT), Psychodynamic Therapy, Personality Assessments, Schema Therapy, Solution-Focused Therapy, and Dialectical Behaviour Therapy (DBT). Drawing from these diverse therapy modalities, he tailors his therapeutic approach to meet each client's unique needs. While Nicholas particularly enjoys working with men, couples, and adolescents, he warmly welcomes and enjoys working with individuals from all walks of life.
Nicholas is passionate about helping clients with issues such as anxiety, sleep problems, confidence, self-esteem, anger management, and assertive communication. Known for his warm and empathetic nature, he creates a safe and supportive environment where clients feel understood and valued. Nicholas genuinely puts himself in his clients' shoes, understanding their perspectives and emotions deeply. He collaborates closely with them, guiding them on their journey to wellness rather than taking over the process.
Nicholas's wide range of experience prepares him to handle a broad spectrum of psychological concerns, ensuring that every client feels heard and respected.

Amit Londhe
BPsych (Hons)
Director, Psychologist & PBS Practitioner at Sigma Therapies
Former Psychology Clinic Manager & Statewide Positive Behaviour Support Training Manager
Amit is a renowned Psychologist at Sigma Therapies, celebrated for his expertise in evidence-based client care across various age groups, from children to adults. His proficiency in addressing diverse behavioural and mental health issues is anchored in his extensive experience with comprehensive assessments and significant work within the National Disability Insurance Scheme (NDIS) and private practice.
Amit excels in creating personalised interventions for individuals with disabilities, showcasing his commitment to tailored care. His broad clinical knowledge spans a wide range of conditions, enabling him to deliver exceptional assessments, diagnoses, and interventions that lead to sustained positive outcomes.
At Sigma Therapies, Amit embraces innovative, holistic, and collaborative approaches, focusing on enhancing clients' goals and life quality. His expertise in developing detailed treatment plans, grounded in accurate assessments, underscores his dedication to excellence. Amit's contributions to practice development, quality management, and continuous improvement highlight his role in advancing Sigma Therapies' mission to offer integrative and effective mental health solutions.
Specialising in Schema Therapy, Cognitive Behavioural Therapy (CBT), Solution-Focused Therapy, Acceptance and Commitment Therapy (ACT), and Cognitive Restructuring, Amit brings a diverse set of skills to his practice.
He is particularly passionate about working with adolescents, neurodivergent individuals, family systems, and couples. Known for his warm and empathetic nature, Amit genuinely puts himself in his clients' shoes, understanding their perspectives and emotions deeply.
Amit believes in guiding his clients on their journey to wellness rather than taking over the process. He collaborates closely with them, ensuring they are active participants in their healing journey. This approach fosters empowerment and long-term positive change, making clients feel heard, valued, and supported.
While Amit particularly enjoys working with adolescents, neurodivergent individuals, family systems, and couples, he welcomes and enjoys working with people from all walks of life.
His empathetic and supportive environment helps clients navigate issues such as anxiety, sleep problems, confidence, self-esteem, anger management, and assertive communication.
His genuine care and collaborative spirit ensure that each client receives personalised and effective support tailored to their unique needs.

Vedant Malik
BOccThy (Hons)
Lead Occupational Therapist & Paediatric Specialist
Former OT Clinic Lead & Expert in Developmental Therapy
With a strong foundation in client-centred practice and a deep passion for working with paediatric clients, Vedant is a dedicated and experienced Occupational Therapist. Having worked extensively within the National Disability Insurance Scheme (NDIS), Vedant brings expertise in developing personalised and collaborative goals that empower clients to achieve their fullest potential.
Vedant’s approach is rooted in guided discovery, helping clients and their families uncover new possibilities for independence and growth. He is committed to tailoring therapeutic interventions to meet the unique needs of each individual, while promoting engagement in meaningful activities that enhance daily living.
Their diverse experience includes working with clients of all ages, from young children to older adults, and from varied cultural backgrounds. This adaptability has strengthened Vedant’s ability to communicate effectively, ensuring that cultural sensitivity is embedded in every aspect of their practice.
Whether working with children on developmental goals or adults seeking to enhance their independence, Vedant’s compassionate approach and dedication to collaboration ensure that every client is supported in achieving their goals within their unique context.

Liam Burnheim-Foster
Behaviour Support Practitioner
Liam brings a holistic, person-centred lens to behaviour support, grounded in identifying strengths and creating environments where people can thrive. His practice is built on dignity, collaboration, and genuinely understanding each individual’s story.
With broad experience supporting participants with complex needs, Liam works closely with individuals and their teams to help them navigate daily challenges, communication barriers, diagnoses, and social interactions. He focuses on building clear, proactive strategies that enhance wellbeing and reduce risk, ensuring everyone involved has the tools they need to support success.
Beyond his formal work, Liam draws on meaningful personal and volunteer experience supporting individuals in crisis, deepening his appreciation for responsive, individualised care. He brings this perspective into every therapeutic relationship.
Liam is dedicated to seeing you for who you are, supporting your goals, and helping you build a higher quality of life. His holistic approach centres on what works best for you and supports you across every area of your life.

Dinithi Hettiarachi
Lead Positive Behaviour Support Practitioner
Dinithi is a registered teacher with a Masters in Inclusive and Special Needs Education, and is currently pursuing her PhD, reflecting a commitment to ongoing learning and expertise. As a PBS practitioner with over 2.5 years of experience, she brings a deep understanding of developmental needs and a special interest in supporting clients across a wide age range, from children to adults (0-40).
Her holistic teaching and therapeutic approaches are grounded in the influential theories of Maria Montessori, Lev Vygotsky, and Urie Bronfenbrenner, ensuring a comprehensive and interconnected view of individual development and support.
Early in her career, Dinithi gained valuable experience across multiple industries and in mental health, which gives her a broad perspective on client challenges and triumphs. This unique background, combined with a certification in graphic design and visual arts, allows her to bring a creative and innovative dimension to her therapy sessions. She skillfully utilises these artistic tools to create engaging and personalized therapeutic experiences.
Known for her compassionate and dedicated nature, Dinithi’s practice is defined by a belief in each person’s potential. She brings a unique blend of pedagogical insight and practical problem-solving to every client she works with.
With an unwavering belief in strengths-based, respectful, and inclusive support, she is committed to a holistic approach that focuses on working with your capabilities to meet your goals in the best way possible.

Kurtis Sullivan
Psychologist & Positive Behaviour Support Practitioner
Kurtis is a dedicated and compassionate psychologist who is committed to supporting people through life’s challenges with clarity and confidence. He works with adolescents and adults experiencing concerns such as anxiety, depression, stress, relationship difficulties, and major life transitions.
Known for his warm, down-to-earth approach, Kurtis creates a safe and supportive space where clients feel genuinely heard and understood. He believes meaningful change begins with insight and self-compassion, and he tailors therapy to suit each person’s individual needs, strengths, and goals.

Kurtis draws on evidence-based approaches including cognitive behavioural therapy (CBT), mindfulness-based strategies, and strengths-focused interventions. He works collaboratively with clients to build practical coping skills, resilience, and a stronger sense of wellbeing.
Grounded in respect, empathy and authenticity, Kurtis is passionate about helping people develop healthier patterns, improve relationships, and move towards a more balanced and fulfilling life.
Benjamin Elphick
Psychologist & Positive Behaviour Support Practitioner
MProfPsych, GDipPsych(Adv), BSc
Benjamin Elphick is a Provisional Psychologist who works with adolescents and adults across a broad range of presentations. He has experience in private practice, EAP, and disability-related settings, supporting clients with concerns including anxiety, depression, stress and burnout, emotional dysregulation, grief and loss, self-esteem difficulties, relationship challenges, trauma-related difficulties, and neurodivergence, including ADHD- and autism-related presentations.
Ben believes therapy works best when people feel comfortable enough to be open, without feeling judged or rushed. He takes the time to understand what has been happening in a person’s life, how they have been coping, and what they want to change. His aim is to make therapy feel useful, genuine, and tailored to the individual, while helping clients better understand themselves and find practical ways forward.

His work is grounded in evidence-based practice, drawing on Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT), Schema Therapy, Solution-Focused Therapy, Motivational Interviewing, mindfulness-based strategies, and DBT-informed skills. Ben tailors his approach to each person’s goals, strengths, and circumstances, using assessment and formulation to guide meaningful intervention.
Ben enjoys working with people of all genders and backgrounds, including LGBTQIA+ clients, and has a particular interest in supporting adolescents, young adults, and adults with ADHD or ADHD-related difficulties. He also works with people navigating life transitions, workplace pressures, overthinking, self-criticism, and interpersonal difficulties. He is committed to offering a respectful and supportive space where clients can build insight, strengthen coping skills, and make changes that feel right for them.

Long Yip Ron
Occupational Therapist
Ron is a passionate Occupational Therapist whose journey into the profession has been shaped by both personal and professional experiences. He began his career in residential aged care, where he learned the importance of dignity, meaningful engagement, and person-centred care. These are values he holds dearly to his heart and that carry into every aspect of his practice.
Ron takes a strength-based, family-centred approach in his therapy, aiming to make sessions both purposeful and engaging.
Drawing on his own lived experience, he understands the challenges many neurodivergent individuals face in navigating the world. His time as a support worker and therapy assistant within the NDIS has also given him valuable, hands-on insight into the everyday challenges faced by families and carers. Ron always ensures that his sessions are inclusive and adaptable, while also considering the unique routines, needs, and goals of the people he supports.
Outside of work, Ron’s love for sports influences his therapy approach, bringing movement, creativity, and play into sessions to boost engagement and make therapy enjoyable.
Above all, Ron believes that every small step forward deserves recognition. He’s committed to creating safe, supportive environments where individuals feel heard, understood, and empowered to live life on their terms.

Divya Kumanan
Occupational Therapist
Divya graduated from Curtin University in 2022 with a Bachelor of Science (Occupational Therapy) with Honours and is passionate about helping people live meaningful, independent, and fulfilling lives. She has experience supporting individuals across the lifespan, with a particular interest in working with adults experiencing psychosocial disability, including those with complex mental health needs and forensic histories.
Divya enjoys helping people build their functional capacity at home and in the community, empowering them to develop confidence, independence, and the skills needed to achieve their personal goals.
Drawing on experience across disability, mental health, and community settings, Divya provides practical, person-centred Occupational Therapy services for NDIS, Medicare, and private clients. She is committed to creating a safe, supportive, and collaborative environment where clients feel heard, respected, and empowered throughout their journey.
Outside of work, Divya brings the same energy and enthusiasm to her lifelong passion for Indian dance. Having danced since childhood, she loves expressing creativity through movement and performance. Whether she's supporting clients to overcome challenges or performing on stage, Divya believes in the power of connection, self-expression, and celebrating each person's unique strengths.
Taka Yik Ting
Positive Behaviour Support Practitioner
Taka is a Positive Behaviour Support Practitioner with a background in teaching in mainstream settings and supporting Autistic children within an early intervention program. Her experience shapes her belief in embracing neurodiversity and understanding the importance of collaboration, tailoring supports to each individual’s unique needs, and following their lead. She is passionate about supporting people across the lifespan, working with both children, teens, and adults.
Taka adopts a strengths-based approach and strongly believes in providing individualised support that incorporates the input of families and other key stakeholders. She is committed to upholding human rights, dignity, and choice, and is passionate about advocating for individuals to ensure their needs, goals, and voices are recognised and respected.
Early in her career, Taka supported neurodivergent children to access and participate in a range of learning environments. She has further developed her expertise through working within the allied health sector, where she has been part of a transdisciplinary team that values individuals’ strengths, relationships, and everyday experiences as the foundation for delivering holistic, person-centred support. This approach enables her to tailor comprehensive and meaningful supports that align with best-practice principles.
While Taka has extensive experience supporting children and celebrating their achievements, she has also worked alongside teenagers and adults to build their independence, achieve their goals, and enhance their overall quality of life.
Nina Possamai
Provisional Psychologist & Positive Behaviour Support Practitioner
Nina holds a Bachelor of Psychology (Honours) and a Master of Professional Psychology. She is passionate about helping children, families, and individuals thrive and brings both professional knowledge and practical experience from previous roles.
She takes a tailored, person-centred approach, ensuring that each individual feels supported in developing the skills they need to embrace the opportunities life brings. Outside of work, she enjoys reading, learning new skills, spending time in nature, and dedicating time to family and friends to support her wellbeing.
Elise Van Noord
Occupational Therapist
Elise is a passionate Occupational Therapist dedicated to empowering individuals to participate in the activities, roles, and experiences that bring meaning and purpose to their lives. Holding a Master of Occupational Therapy and a Bachelor of Health Science with a focus in Psychology, she brings a broad range of clinical knowledge, holistic understanding, and perspective to her practice. With experience supporting clients across paediatric and mental health settings, Elise loves getting to celebrate clients' wins, big or small.
Elise's practice focuses on seeing a person within the full context of their environment, and considers the many factors that influence participation, wellbeing, and quality of life, including personal strengths, relationships, environments, routines, and daily occupations. She is passionate about understanding the whole person and recognises that every individual is the expert in their own life. Elise believes each individual requires their own unique approach to therapy through collaborative goal setting that is meaningful, achievable, and aligned with each person's values, interests, and aspirations.
Committed to providing holistic and evidence-informed support, Elise focuses on helping clients build confidence, develop independence, and engage more fully in the activities that are important to them. She values creating a safe, supportive, and trusting therapeutic environment where clients feel heard, respected, and empowered to explore new possibilities. Using a flexible and tailored approach, Elise supports individuals to overcome barriers, build on their existing strengths, and work towards outcomes that enhance participation and overall wellbeing.
Elise believes that meaningful therapy starts with understanding what matters most to the individual. Through compassionate collaboration and a focus on strengths, she is committed to supporting each client to achieve their goals, thrive in their everyday lives, and reach their full potential. Elise is driven by the opportunity to celebrate each client's achievements and growth, recognising that meaningful progress comes in many forms and that every step forward deserves to be celebrated.
Sarah Le
Occupational Therapist
BSc (OT)
Sarah is an Occupational Therapist with over 6 years of clinical experience in Western Australia. She has worked across disability, aged care, rehabilitation, NDIS services, and client workplace settings, supporting all individuals to improve their independence, participation, and overall quality of life through practical and meaningful interventions.
Alongside her OT practice, Sarah brings over 9 years of experience in workplace health and safety across Western Australia and the United States. Her roles involved a strong focus on risk assessments, ergonomics, injury prevention, functional movement, and workplace assessment. She integrates this extensive safety background into her OT practice to support safe, sustainable, and functional participation in daily life and work environments.
Sarah has a passion for working with clients to understand how their physical, environmental, and personal factors influence their everyday function. She is also interested in expanding her practice into paediatrics and mental health, with a holistic and client-centred approach to care.
Sarah is well known for her warm, empathic, caring nature and her ability to build strong therapeutic relationships with her clients. She is passionate about empowering people to achieve their goals, build confidence, and increase independence in the activities that matter most to them.

