Our Team


Laura Lane
Senior Practitioner, Early Intervention

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.

Jonathon Marinis
Senior Practitioner, Positive Behaviour Support

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.

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.

Isabella Reppucci
Occupational Therapist

Isabella graduated with a Bachelor of Occupational Therapy from the University of South Australia. She has extensive experience working with children and is passionate about assisting them to pursue meaningful activities to achieve their goals.

Felcia Lau
Senior Speech Therapist

Felcia holds a Master of Speech Pathology at Flinders University. Felcia has extensive experience working with children with communication and feeding difficulties. Highly skilled in paediatric Speech Pathology, she strives to provide supports to every client and their families to achieve their full potential. Felcia has completed training in a range of Augmentative and Alternative Communication (AAC) systems which include Proloquo2Go, the Picture Exchange Communication System (PECS), key word sign and the Pragmatic Organisation Dynamic Display (PODD).

Jia Lynn Loo
Speech Therapist

Jia graduated with a Bachelor of Speech Pathology from Flinders University and her experience includes speech, language, dysphagia and augmentative and alternative communication, mainly within the disability and brain injury sectors.

She enjoys providing individualised care and support, and hopes to continue helping clients within the Hessel Group reach their goals and potential in life.

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.

Kerry Gardner
Provisional Psychologist

Kerry has extensive experience in supporting people with severe barriers including anxiety, depression, borderline personality disorder, bipolar disorder, acquired brain injury and various disabilities, both physical and psychological.

Kerry is also experienced with the development of Positive Behaviour Support plans, providing training for support staff, liaising with participants/their families and stakeholders and providing therapeutic support programs for participants.

Kerry has an interest in working with adolescents and adults with a wide range of complex mental health, emotional, behavioural and relationship concerns. She has a particular interest in Cognitive Behavioural Therapy, Dialectical Behaviour Therapy, and Mindfulness-Based Therapy.

Diana Uribe
Behaviour Specialist

Diana completed her Master Social Work in 2017 at the Flinders University. Diana has a special interest in behavioural analysis and is passionate about developing partnerships and building systems collaborations to address systemic responses to individuals.

Diana is an accredited Clinical and Family Violence Social Worker with extensive experience working with both Aboriginal and Torres Strait Islander and Non-Aboriginal clients. Diana has worked in Early Childhood, Disability and Social Services sector for over 10 years; this has included providing clinical expertise for individuals and their families with mental health issues, such as depression, anxiety and PTSD and working with people who are at risk of suicide, are addicted to alcohol and/or other drugs or have experienced trauma and loss.

In previous roles Diana has supported the development of program implementation and evaluation measurement tools and frameworks and her approach to intervention is to use current and traditional best practice tailored to the needs of the individual and their families and carers.

Fatema Sitabkhan
Behaviour Specialist

Fatema is a Developmental Educator who graduated with a Masters in Disability Policy and Practice at Flinders University in 2017. Originally hailing from Saudi Arabia, Fatema first moved to Australia in 2010. Since graduating with Fatema has worked across a range of settings with children and adults primarily with Intellectual and Neurological conditions. She has also volunteered at local organisations such as Brain Injury SA, Women’s and Children’s Hospital and overseas in Morocco and Jamaica across school settings.

Throughout her experiences in the disability sector and with evidence-based research and knowledge around positive behaviour support, Fatema has developed a strong passion to deliver person-centred care and support to individuals with disabilities and their families by providing them with strategies and real life skills that work towards improving the overall quality of their lives. She hopes to encompass the key concepts around challenging behaviours in a positive manner by amplifying their strengths and helping each individual feel empowered across home and community-based settings.

Mitchell Read
Behaviour Specialist / Support Coordinator

After completing one year at the University of Adelaide, Mitchell moved abroad to the United States of America to complete his Bachelor of Science; majoring in Psychology and minoring in Biology. Shortly after returning home, Mitchell completed his graduate certificate in Cognitive Behaviour Therapy, to better diversity his skills and gain a deeper understanding of the connection between thoughts and behaviours.

Mitchell has a strong passion for life-long learning and research, especially within the field of Neuropsychology. After receiving an internship and gaining valuable experience at the University of Mississippi Medical Centre within the Neuro-Biology division, he wishes to pursue either his masters in Clinical Neuropsychology or become a Psychiatrist.

Mitchell has worked as a support worker in both mental and physical disability for over a year now, with experience working with indigenous and non-indigenous participants in rural areas. He is passionate about promoting health outcomes, developing participant autonomy and helping to engage community access for the vulnerable.

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.

Elysia Zanandrea
Behaviour Specialist

Elysia holds a Bachelor of Psychological Science (Honours) obtained from the University of Adelaide. Elysia comes from a background of clinical research and has experience in administering developmental assessments, where she worked to identify individuals strengths, delays and areas for improvement.

Elysia is passionate about utilising scientific research to inform her practice, in order to ensure that the strategies implemented are evidence-based. Elysia considers a holistic approach to improving health and wellbeing in empowering individuals to reach their full potential.

Duncan Vent
Behaviour Specialist

Duncan competed a Bachelor of Psychology (Honours) from Charles Darwin University. He has enjoyed extensive research opportunities in the areas of motivation and cross-cultural psychology. He has enjoyed lecturing in Psychology at undergraduate level at Griffith University in the Gold Coast and is focused on creating learning environments.

Duncan’s focus is to encourage all his clients to actively engage in behaviours that improve their quality of life. His work is evidence based with all interventions favouring a behavioural approach; empowering an individual is key if they are to unlock their 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.

Isabella Anderberg
Behaviour Therapist

Isabella graduated with a Bachelor of Psychology (Honours) from Flinders University in 2018. Isabella has experience in the sector, where she has worked alongside children to enhance engagement with their peers and local communities as well as in clinical research, administering early childhood developmental assessments.

Isabella’s passion for providing support, positive opportunities and optimising wellbeing has led her to Early Intensive Behaviour Intervention where she looks forward to assisting individuals and their families to overcome challenges and have children reach their full potential.

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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