Our Allied Health Team

Sharna is a Registered Psychologist with a background in Behavioural Science and advanced psychological training. She completed her Bachelor’s degree at Swinburne University and her Graduate Diploma in Psychology Advanced at Monash University. Sharna has experience in behaviour support and disability settings and has a particular interest in working with neurodivergent clients. She approaches each client with compassion and curiosity, using evidence-based strategies to support mental health and well-being. 

Sharna is passionate about empowering individuals to overcome challenges and reach their full potential.
 

Read more about Sharna HERE.

Tabitha is a Behaviour Support Practitioner and Registered Behaviour Technician with a Bachelor of Behavioural Sciences from Flinders University. She is passionate about empowering individuals to lead more independent and fulfilling lives. 

Tabitha specialises in implementing Positive Behaviour Support frameworks that are both evidence-based and deeply compassionate. Her approach is grounded in respect, inclusion, and collaboration, helping clients work toward meaningful goals in supportive and structured environments.

Read more about Tabitha HERE.

Sam brings more than two decades of experience in business support roles, offering a strong foundation in operational management within the Allied Health sector. As Business Support Manager, she plays a vital role in ensuring that families receive a welcoming and seamless experience from their first point of contact through ongoing service delivery. 

Sam is deeply passionate about people achieving their goals and is committed to maintaining the highest quality of services. Her work supports clinicians and ensures systems are in place for clients to access therapy that truly makes a difference in their lives.
 

Read more about about Sam HERE.

Kristiaan is a Provisional Psychologist with a strong academic foundation, holding a First-Class Honours degree in Psychology and Cognitive Neuroscience from the University of South Australia, as well as a Diploma in Counselling from the Australian College of Applied Psychology. His background includes experience in performance coaching and change management, which he integrates into his therapeutic work. 

Kristiaan has a particular interest in trauma, grief, anxiety, crisis intervention, and suicide-related challenges. He uses an empathetic, evidence-based approach to support individuals through personal growth, helping them navigate complex emotional and psychological experiences with confidence and care.
 

Read more about Kristiaan HERE.

Sally holds a Master’s degree in Speech Pathology and has worked extensively within the NDIS, supporting individuals across the lifespan, from children to adults, to build confidence and independence in their communication.

Sally has a strong interest in Augmentative and Alternative Communication (AAC), literacy support, speech delays, and speech sound disorders and language disorders. She is passionate about providing neuroaffirming, strengths-based services that respect each person’s identity, preferences, and communication style. Sally values practical, functional therapy that supports people to communicate in ways that are meaningful to them in their everyday lives.

Learn about Hessel Group's Speech Therapy Services HERE!

Judy is passionate about making a difference in her clients’ lives by using a neurodiversity-affirming approach and ensuring that therapy is client-centred and evidence-based. Judy works to support individuals with communication and swallowing needs. She has worked with a diverse range of clients, including adults with aphasia, children with literacy challenges, and children with developmental language disorders. Coming from a multicultural background, Judy is aware and respectful toward cultural barriers, which helps her build strong connections with individuals and families from diverse backgrounds.

Learn about Hessel Group's Speech Therapy Services HERE!

Katherine is a Provisional Psychologist and registered teacher with a Master's degree in Professional Psychology from the University of New England. With a strong background in education, she has extensive experience working with individuals with specific learning needs, including autism, dyslexia, and challenges with working memory. 

Katherine uses a diverse toolkit of evidence-based approaches such as Cognitive Behavioural Therapy (CBT), Mindfulness, Acceptance and Commitment Therapy (ACT), and Positive Psychology. She is passionate about creating therapeutic spaces where clients feel seen, supported, and empowered to thrive.

Read more about Katherine HERE.

Stephen is a Behaviour Support Practitioner and Counsellor who holds a Bachelor of Psychological Science and a Graduate Diploma in Counselling and Psychotherapy. He has worked with a wide range of clients, supporting individuals with complex mental health and behavioural needs across different life stages. 

Stephen combines clinical insight with deep empathy, aiming to help individuals make sustainable, meaningful changes. His approach is centred on trust, collaboration, and helping clients feel empowered in their personal development journeys.
 

Read more about Stephen HERE.

Davor is a Behaviour Support Practitioner currently completing a Bachelor of Teaching with a Bachelor of Arts, majoring in Psychology. He is passionate about supporting individuals through personalised, evidence-based strategies that improve daily functioning and promote positive behaviour. 

Davor takes a person-centred approach to his work, building rapport and trust with clients and their families. His commitment to learning and growth informs his ability to adapt supports that meet each individual's unique needs and aspirations.

Read more about Davor HERE.

William is a Behaviour Support Practitioner who holds a Bachelor of Psychology and a Positive Behaviour Support Certificate from Monash University. He is driven by a passion for understanding the root causes of behaviour, particularly the beliefs and decisions—conscious and unconscious—that shape how people engage with the world. 

William takes a thoughtful, inquisitive approach to his work and builds strong connections with clients through shared interests such as video games, films, and sports. He is committed to fostering environments that are safe, structured, and conducive to growth.

Learn about Hessel Group's Behaviour Support Services HERE!

George is a Developmental Educator and Behaviour Support Practitioner with a Bachelor of Teaching/Arts from the University of Adelaide and postgraduate studies in Disability Policy and Practice at Flinders University. He has a natural ability to connect with children and individuals on the autism spectrum, creating person-centred support strategies that promote independence, confidence, and quality of life. 

George is dedicated to celebrating each individual’s strengths while identifying opportunities for development and growth. His practical, strengths-based approach is grounded in empathy and collaboration. Beyond his clinical work, 

George has a wide range of interests including soccer, camping, astronomy, and video games—particularly virtual reality experiences. A tech enthusiast, he enjoys using modern tools like drones to engage creatively with the world. His enthusiasm, curiosity, and calm nature make him a valued practitioner and a relatable presence for clients and families alike.

Learn about Hessel Group's Behaviour Support Services HERE!

Kirsty holds a Bachelor of Psychological Science and a Certificate IV in Child, Youth and Family Intervention, and is currently completing a Master of Counselling and Psychotherapy with the Australian College of Applied Professions. She brings experience in therapeutic youth work, case management, family wellbeing programs, child development, and both personal and career counselling. 

Kirsty has supported children, individuals and families with challenges including mental health, interpersonal relationships and neurodivergence. She combines person-centred and strengths-based approaches with trauma-informed and evidence-based frameworks, drawing on a broad skill set to foster resilience, growth and healing.

Learn about Hessel Group's Behaviour Support Services HERE!

Maddy is a dedicated Developmental Educator and Behaviour Support Practitioner with a Bachelor of Disability and Developmental Education. She brings a thoughtful and compassionate approach to her work, creating inclusive, supportive environments where individuals feel seen, heard, and empowered to grow. 

Madison takes pride in building authentic, trusting relationships with her clients, and she tailors each support plan to reflect their unique identity, goals, and lived experiences. She values the importance of recognising and celebrating strengths, while also working with clients to identify opportunities for personal development. 

Madison’s professional philosophy centres on emotional safety, dignity, and collaboration. In her free time, she enjoys spending time outdoors—particularly camping and beach visits—and dreams of one day living on a hobby farm. Her passion for wellness and nature complements her nurturing, holistic approach to practice.

Learn about Hessel Group's Behaviour Support Services HERE!

Ki is passionate about helping people reach their full potential and brings a strong foundation in education, mental health and community services. Ki has worked closely with individuals facing complex barriers and is committed to promoting wellbeing, inclusion and personal growth through person centred practice.

Ki takes a compassionate, trauma informed approach and focuses on each person’s strengths, goals and needs. Ki enjoys working with families, schools and multidisciplinary teams to develop practical, evidence-based strategies that support positive behaviour, emotional regulation and independence.

Outside of work, Ki values connection, learning, and the simple moments that support a balanced life.

Learn about Hessel Group's Behaviour Support Services HERE!