About us

For over 25 years Network Case Management have been supporting Participants who’ve experienced catastrophic injuries or have lived with disability all their lives to navigate the NDIS and connect into mainstream services required to reach their goals. Our highly experienced and qualified team of Allied Health professionals work in a trauma informed, person centred approach to empower our Participants to achieve their goals and live fulfilling lives. 

Network Case Management is part of Network Rehabilitation Group, which also includes Rehabilitation Support Services.

Network Case Management Services was established by founder Janice Roberts as part of a group practice working with other Allied Health Professionals as part of a treating team to support people who have Acquired Brain Injury and complex needs. Network Case Management, did and still does, specialise in Specialist Support Coordination, Coordination, Case Management and Medico Legal reports for people who have Acquired Brain Injury, Spinal Cord Injury, Intellectual Disability, Psychosocial Disability or have experienced a catastrophic accident.

Whilst our history is linked with hospital rehabilitation supports, our present is very much linked with the National Disability Insurance Scheme (NDIS) along with supporting the Insurance Commission of Western Australia (ICWA), The Public Trustee and Private Trustee clients.

Our Purpose

We empower people to lead purposeful, fulfilling lives that align with their goals.

Our Values

We Recognise the Value of Respect

We are respectful of everyone’s views and opinions, even if we may not agree. We take the time to get to know our colleagues and our Participants, and work to build and sustain relationships with genuine care and compassion.

We make a Meaningful Difference

We are passionate and creative in finding solutions to overcome challenges and obstacles, and always keep the individual’s unique needs in mind. We provide reliable and responsive services that build trust and hope in vulnerable individuals.

We Are Ethical

We demonstrate high levels of professionalism and accountability in our dealings with our colleagues, Participants, and other service providers. We provide services that are valuable, meaningful, and cost effective to our Participants. We pride ourselves on always taking the responsible course of action, especially in challenging situations where there is a lot at stake.

We work in Collaboration

We communicate clearly and openly and encourage the sharing of information, resources, and feedback with each other, our Participants and all their care team. We make the effort to consult with our internal and external teams in a meaningful manner and make decisions in partnership with one another.

Brett and Davinia Costello

Brett and Davinia Costello have been supporting individuals with Acquired Brain Injury, Spinal Injury, Intellectual disability, and Psychosocial disability since purchasing the business in 2011 from Janice Roberts, who established the business in 1999. Jan’s background in Nursing and Social Work lent itself to supporting those that required Case Management supports due to their complex rehabilitation needs. Jan was passionate about social justice for all, especially those whom she saw as being disadvantaged and having no voice. Jan’s ethos resonated with Brett and Davinia, and they continue Jan’s legacy of empowerment and social justice through their business to this day.

Brett and Davinia bring their respective Physiotherapy and Psychology backgrounds to their roles as Owners, Directors, and Specialist Support Coordinators of Network Rehabilitation Group. They stay connected with supporting Participants by maintaining active caseloads across both arms of the Network Rehabilitation Group (Rehabilitation Support Services and Network Case Management Services).

Network Rehabilitation Group is a proud family owned and run business, where the Directors take an active daily role in the delivery of services.

Meet Our Team

Brett Costello

Managing Director

Specialist Support Coordinator and Case Manager

Brett Costello graduated with a BSc Physiotherapy in 1995, working primarily in neurological rehab, aged care and private practice, including key providers such as Brightwater, Aegis and Royal Perth Hospital. Since this time Brett has moved into management within Health Solutions, mostly around recruitment, staffing and brokerage services, community reintegration, international relocation and high level business negotiations with major health care groups and providers. Brett’s background in Physiotherapy leads to a special interest in client rehabilitation with a focus on physical elements of the recovery process. 

Davinia Costello


Specialist Support Coordinator and Case Manager

Davinia holds a Bachelor of Psychology degree and Diploma of Professional Counselling and her special interests are in the areas of Mental Health, Carer support and training. She has worked for many years with key organizations such as  HelpingMinds (previously The Association of Relatives and Friends of the Mentally Ill), Alzheimers Association, and as a Case Manager with 55 Central who assist people with mental illness who are at risk of homelessness.

April Eyre

Network Case Management Services Manager

Specialist Support Coordinator and Support Coordinator

April is a dedicated and creative professional with more than fifteen years’ experience in the disability, community, and education sectors. With a Diploma of Counselling and Community Services April began her career facilitating autism inclusive education programs in the Secondary Schools for the Department of Education. April made the transition to the community sector with care coordination and management roles, ensuring high quality accommodation services for people with physical, psychosocial, and developmental disabilities and complex care needs. April is dedicated to continuous improvement of services to those with disability, and upskilling teams to provide up to date and innovative supports. April is skilled in supervision, therapeutic crisis interventions and complex case planning. April’s professional experience includes Directions Disability Services, Life without barriers and Family Support WA (now known as Strive.) April’s person centred and supportive approach enable both her caseload of Participants and her team of Support Coordinators to thrive. Along with her management role April maintains a caseload of Participants, specialising in Acquired Brain Injury and Intellectual Disability. April is passionate about ensuring the human rights and safety of people living with disabilities are upheld and respected.

Natalie Marion

Specialist Support Coordinator and Case Manager

Natalie Marion Graduated from Edith Cowan University in 2002 and has worked as a Registered Nurse specialising in Paediatrics for the last 9 years. She completed a Graduate Program at Princess Margaret Hospital (PMH) and subsequently took on a contract to work in the hospitals Neonatal Unit. It is here that she developed many skills working with the acutely sick child, such as the use of different respiratory support equipment like Ventilators, CPAP and BIPAP machines and the importance of therapeutic care with not only the patient but also the patient’s parents. She also has a great understanding of how the different allied health members work together to achieve the best outcome for the patients not only in the hospital settings but for the transition and continuation out in the community.

Amanda Rodriguez

Specialist Support Coordinator and Support Coordinator

Amanda Rodriguez graduated with a Bachelor Degree of Social Work in 2007 working primarily in Neurology and Neurosurgery in a hospital setting. Amongst a variety of roles, Amanda has provided emotional support to patients and their families as well as organise appropriate support services, which patients require in order to live safely and independently as possible at home. Amanda is dedicated to helping others and advocating on their behalf, being able to empower others to make their own choices, while assisting people with their goals to achieve the best possible results. Amanda considers herself to be a team player having experience with working in multi- disciplinary teams, but also more than capable of working one on one to get the desired outcome for her clients.

Biljana Casey

Specialist Support Coordinator and Support Coordinator

Biljana Casey is a Specialist Support Coordinator who has worked in the Human Services industry for over 20 years in both Queensland, and Western Australia. Having graduated from Griffith University (Qld) in 2004 with a Bachelor Degree in Human Services, Biljana has developed extensive experience in the areas of disability, domestic violence, and child protection. Previously employed as a Guardian with the Office of Public Advocate here in Perth, Biljana has gained significant experience in decision making and advocating the rights and interests of the people with decision-making disabilities.

Biljana’s passionate about supporting people with disabilities to access the support and services they require to build their independence, achieve their goals, and live fulfilling lives.

Megan Jones

Specialist Support Coordinator and Support Coordinator

Megan Jones graduated in 2004 with a Bachelor of Science (Health Promotion). Megan has over ten years experience working in community services and has held a number of senior roles in policy and sector development at the Disability Services Commission. She has also worked as a Local Area Coordinator where she assisted participants to understand, implement and review their NDIS plans. Megan is passionate about supporting people of all abilities to achieve their goals and celebrate their achievements. She developed this passion as a result of growing up with a younger sister who, despite having Down Syndrome, lives each day to the fullest. Megan also has qualifications in management, human resources and workplace training and assessment.

Kathryn Rose

Specialist Support Coordinator and Support Coordinator

Kathryn has a Bachelor of Social Science with a double major in Community Studies and Community & Welfare Work with a Minor in Social Studies. Kathryn’s experience as a Disability Support Worker 17 years ago gave her valuable frontline experience which has stayed with her throughout her career. Kathryn specialises in working with people with Acquired Brain Injury, Psychosocial Disability, Autism and Down Syndrome and has previously worked for Hills Community Support Group, Active and Future Living. Kathryn’s calm easy going nature enables her to easily relate to all kinds of people.

Kishvena Sorna

Specialist Support Coordinator and Support Coordinator

Kishvena graduated with Honours in Biomedical Sciences in 2013 and has three years of experience as a Specialist Support Coordinator in Sydney. She specializes in tailoring person-centred support for individuals with complex needs, working with challenging behaviours, psychosocial issues, and high-risk cases. Understanding the NDIS barriers, Kishvena is committed to equip clients with necessary knowledge, so they can make informed decisions across a wide range of services, allowing maximum plan utilization to achieve goals and enhance capacity, independence, and overall quality of life. Collaborating across sectors like Allied Health, Mental Health, Legal Systems, Child Protection, Education, and Housing, Kishvena possesses a deep understanding of sector-specific standards. Prior to support coordination, Kishvena worked with the Autism Association of WA as a support worker and founded an assisted transportation service for individuals with disabilities. Kishvena takes pride in delivering high-quality service and embraces diversity and individuality, treating her clients with respect, compassion, and integrity in all interactions.

Lauren McNabb

Specialist Support Coordinator and Support Coordinator

Lauren is a Senior Occupational Therapist graduating from Ulster University in 2017. Lauren has experience working across the Northern Ireland (NHS) and Western Australian Health systems. Starting her career as a Support Worker in Northern Ireland solidified Lauren’s ambition to work in the human services sector. Lauren has experience working with Participants diagnosed with Psychosocial disability, Acquired Brain Injury, Trauma, Orthopaedics, Dementia, Learning disabilities and injury rehabilitation. Since arriving in Australia Lauren has developed a particular interest in empowering people to successfully navigate and achieve exceptional outcomes from their NDIS plans and supports. Lauren is dedicated to improving, and streamlining quality services for Participants.

Medico Legal team

Caroline Giumelli

Occupational Therapist

Caroline Giumelli is an experienced Occupational Therapist with over 20 years of practise in various clinical roles, including home visiting for home design and modification, and upper limb rehabilitation. Caroline has been part of the team at Network Case Management Services for the past two years. She liaises with the Public Trustee, the Office of the Public Advocate and private practice Legal Practitioners as part of her role in medico-legal assessment and reporting. Her experience and holistic approach to assessment assists clients with a wide variety of issues to make a positive difference. Caroline is registered with the Australian Health Practitioner Regulation Agency, the Occupational Therapist’s Registration Board of Australia (OTBA).

Sonya Horsman

Occupational Therapist

Sonya has over 40 years of experience after graduating from Curtin University in 1983 with the Occupational Therapy Registration Board prize for the highest academic record. Throughout Sonya’s extensive career she has worked in her own private practice, Department of Communities, National Disability Services, Disability Services Commission, Ability WA, Royal Perth Rehabilitation Hospital, Princess Margaret Hospital and was awarded four awards for excellence in the field of Occupational Therapy. Sonya specialises in Functional Capacity Assessments, NDIS recommendations for services and wheelchair seating.

Kristy Riches

Occupational Therapist

Kristy graduated in 2000 and initially worked within orthopaedics before changing specialties to mental illness, then adolescent mental illness and eating disorders working across Child and Adolescent Mental Health Service, Perth Children’s Hospital, The Marian Centre, Youth Focus, Perth Clinic, Sir Charles Gardner, The Geelong Hospital and the Grace McKellar Rehabilitation Centre. Kristy specialises in working with clients diagnosed with psychosocial disability.

Nerida Croker

Occupational Therapist

Nerida has 40 years of experience as a OT, she’s specialised in Women’s Health working at King Edward Memorial Hospital for over 10 years, as well as North Metropolitan Health Department and Royal Perth Hospital Rehabilitation Unit. Along with her clincial roles, Neirda has held positions as a Senior Lecturer at The University of Notre Dame, Lecturer at TAFE and Senior Development Officer at Health Networks Branch (Office of the Chief Medical Officer). Nerida specialises in medico legal reporting for clients with Acquired Brain Injury.

Jenny Sammons

Occupational Therapist

Jenny has over 50 years’ experience as a OT working in Australia, the United Kingdom and the United States of America. Jenny is a clinical OT and has held positions as a Lecturer of paediatric Occupational Therapy at La Trobe University. Jenny’s extensive experience has resulted in her being a guest speaker for multiple conferences including Australian Closing the Gap conference, Special Education Teacher conference, International Fragile X conference, American OT Association conference. Jenny specialises in paediatric Occupational Therapy focusing on children diagnosed with Autism, Down Syndrome, Developmental Coordination Disorders, Fragile X Syndrome.

Charlie Harding

Occupational Therapist

Charlie is a AHPRA registered Senior Occupational Therapist specialising in acute and community mental health, physical disabilities, rehabilitation, geriatric care and home modifications. Charlie has held positions within Fiona Stanley Hospital Group, Rockingham General Hospital, St John of God Mt Lawley, Armadale Health Service, Cornwall House OT Services and Subiaco Community Mental Health Services since graduating from Curtin University in 2016.

Liz Jardine

Occupational Therapist

Liz is an experienced OT graduating from Curtin University in 1994 who’s worked throughout Perth and Englend with Princess Margaret Hospital, Disability Services, Department of Housing, Cerbral Palsy Associaiton, Therapy Focus, England’s National Health Service and her own business Jardine Therapy Services. Liz specialises in paediatics, disability, home modifications, equipment prescription and assessment assist clients with physical injuries, developmental delays and intellectual disability to be as independent as possible.

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