Our Team


Laura Lane
Senior Practitioner / Developmental Educator
Laura has been working within the field of Specialist Behaviour Support for over 5 years. She holds a Bachelor of Psychological Science obtained at the University of Adelaide, as well as a Master in Education (Special Education) majoring in Autism Spectrum Disorder from Flinders University. Laura’s main interests within the field include Functional Communication Training, development of Positive Behaviour Support plans and providing support within an educational setting. The best part about her role is getting to share in the wins (big and small) with families and seeing the positive outcomes Behaviour Support can provide.
Emsie DeKlerk
Senior Occupational Therapist
Emsie has worked as an Occupational therapist specialising in Paediatrics for over 27 years. She has extensive experience in managing sensory integration and processing, sleeping, toileting, behavioural issues, self-regulation, gross and fine motor skills. Emsie has worked in Australia, Ireland and South Africa and enjoys seeing children develop to their full potential.
Sarah Tarca
Occupational Therapist
Sarah holds a Masters of Occupational Therapy from the University of South Australia. Sarah has experience working with people from a range of diversities across both the private and non-for profit sectors and has a passion for supporting her clients to identify and build upon their strengths; whilst developing functional daily living skills. Sarah enjoys meeting new people and supporting them in a collaborative way to achieve their goals.
Caitlyn Weber
Senior Speech Pathologist
Caitlyn is a Speech Pathologist who graduated with a Masters of Speech Pathology in 2014. Since then she has worked with children in community health, private practice, not for profit, and government based roles. Previous areas of experience have included early language development, stuttering, dyslexia, speech sound delays, social skills, and augmentative and alternative communication such as PODD and Proloquo2go. Caitlyn enjoys working with children and young people and is excited to be part of the Hessel Group team.
Nathan Bell

Nathan holds a Master of Physiotherapy degree from the University of South Australia. He has experience in the disability sector through his extended study in paediatrics, and thoroughly enjoys working with individuals living with physical, intellectual and developmental disability. His main interests include exercise-based therapy, play-based therapy and hydrotherapy to help improve the functional capacity of his clients in collaboration with their families. As well as practicing in this field, Nathan also works in sports injury as a musculoskeletal physiotherapist.

Chloe Roesler
Provisional Psychologist
Chloe has been working with children, adolescents and adults across both community and disability sectors for the past 6 years. She is experienced in working with young people within the child protection system, as well as providing therapeutic interventions to individuals and families funded through the National Disability Insurance Scheme. Chloe has experience working with individuals with a range of conditions and complex presentations, and is able to provide a range of psychological assessments and interventions. Chloe is also experienced with providing specialist behaviour support to those with complex behavioural presentations, as well as providing training and psychoeducation to families, carers and support staff to support implementation of behaviour management strategies. Chloe is most passionate about supporting those most vulnerable in our community to make positive changes that improve their overall quality of life and to achieve their goals.
Catherine Birve
Developmental Educator / Social Worker / Behaviour Specialist
Catherine holds a Bachelor of Disability and Developmental Education and a Masters of Social Work through the Flinders University, SA. Catherine has extensive experience having worked in a variety of therapeutic settings including grief and loss counselling, mental health and as a Behavioral Specialist focusing on adults and children with a disability diagnosis and their families. Catherine utilises cognitive behavioral, behavioral modification, mindfulness, emotional regulation and interpersonal effectiveness in her work with her clients. Catherine emphasizes an integrative, dynamic and holistic approach and remains passionate about disability rights, equality of access and opportunities for all individuals to reach their fullest potential.
Jonathon Marinis
Behaviour Specialist

Jonathon graduated with a Bachelor of Psychological Science from Adelaide University and progressed with the fourth year Honours sequence from Monash University. Working toward registration as a General Psychologist, Jonathon currently uses the Positive Behaviour framework and Cognitive Behavioural therapies to assist people from all walks of life and all age groups. With a real passion for research and personal development, Jonathon is always seeking out the most effective therapies.

Jonathon has worked across most aspects of community services including mental health, child protection, disability services and psychosocial support. He believes in patient-centred care, where all facets of an individuals recovery should be respected.

Olga Dinef
Behaviour Specialist / Social Worker / Support Coordinator
Olga holds a Bachelor of Social Work through the University of South Australia and is a Certified Life Coach. With extensive experience working with a diverse range of people in non government and private sectors, she brings a wealth of expertise in behavior therapy. Olga’s main interests within this field include the development of Positive Behaviour Support plans with an educational focus; while supporting both the individual and their families. With her clients, Olga works within a holistic framework and incorporates techniques such as mindfulness, behaviour modification, and emotional regulation amongst others; in order for individuals to reach their full potential and in turn, bring about positive behavior.
Davor Delic
Behaviour Specialist
Davor is working towards his Bachelor of Teaching with a Bachelor of Arts, majoring in Psychology. He is dedicated to a coordinated approach in the provision of individual therapy for children and adults living with Autism Spectrum Disorder and other disabilities and providing not only the individual but also their carers and families the care and support they deserve. Davor aims to benefit individuals by helping them overcome difficulties and challenges. Davor strongly believes in the importance of Behavioural Support and applying the evidence-based approach to support individuals in reaching their full and most importantly reachable potential.
Leigh McGill
Behaviour Therapist
Leigh began his career in disability support over 10 years ago, facilitating swimming programs for students with disabilities. From there, his interest and passion for inclusive education rapidly grew and led him to work at a primary school as an Education Support Officer, assisting children with Autism Spectrum Disorder, Dyslexia and Intellectual Disabilities. Seeking an avenue to expand his knowledge and skill set, he then discovered the brilliant world of Applied Behaviour Analysis and began his Registered Behaviour Technician Training. He has now been involved in Early Intensive Behaviour Intervention for almost 2 years and has loved every moment of it. He especially enjoys teaching new skills in fun, play-based learning environments and drawing on his experiences in school settings to support children in their kindergarten to school transitions. Leigh loves being beside the families he works with as they celebrate achieving their goals and reaching important developmental milestones and looks forward to a future of continued learning and success in the field of Behaviour Support.
Stephanie Kogoj
Behaviour Therapist
Stephanie is currently working towards her Bachelor of Occupational Therapy at the University of South Australia and aims to complete her Masters in Speech Pathology. Stephanie has always had a passion for working with children, in particular those who have disabilities and when she was introduced to Applied Behaviour Analysis, she was especially interested in the enjoyable, play-based learning which it involves. Stephanie believes in providing children with optimal support and care through the use of Early Intervention in order for them to reach their full potential and increase their quality of life.

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