Our Team
Expert Team
Behind the success of Oak Tree Alliance is a dedicated team of professionals, each bringing a wealth of experience and a passion for support coordination. Our team members are more than just experts in the field; they are compassionate individuals committed to understanding and addressing your unique needs. Together, we work tirelessly to ensure that your NDIS journey is smooth, empowering, and tailored to your aspirations.
Catherine Cash’s career is a luminous example of dedication and passion, with nearly two decades committed to enhancing the lives of society’s most vulnerable. Having been a specialist support coordinator for over 5 years, and now the founder of Oak Tree Alliance, she infuses her deep-rooted values into every aspect of her company, striving to elevate care and support to new heights. Evidenced by her collaboration with the NDIS Exceptionally Complex Support Needs Team, Catherine has actively developed and lead knowledge exchange workshops, provided education, advice and webinars in the disability sector to build the skills, capabilities, knowledge, confidence and the responsiveness required of support coordinators. Catherine continues this work through facilitation of the CQ Community of Practice forums. With a rich background in child protection and mental health, complemented by her academic achievements in Psychology, Welfare and Education, Catherine’s expertise is both broad and deep. Catherine’s unwavering commitment to enhancing care shines through her strategic leadership and relentless advocacy for excellence in support services.. Her passion for empowering individuals and her dedication to creating a more inclusive society serve as driving forces behind Oak Tree Alliance’s mission to make a lasting difference in the lives of those in need.
Rebecca Rodger is a dedicated and experienced professional across the disability and aged-care community services sectors. Rebecca has a strong commitment to safety, inclusion, and accountability. Rebecca is passionate about improving client outcomes, integrating innovative approaches to service delivery, building strong partnerships and advocating for inclusive, person-centred supports and systems.
Rebecca holds a Master of Business Administration (MBA) along with multiple qualifications in community services and management, blending strategic leadership with practical experience in delivering high-quality services. Her background in Emergency Services has strengthened her ability to navigate high-pressure situations with composure and logical decision-making, ensuring effective and timely support.
Mohana Rathamohan is an inspirational educator with over 15 years of experience in teaching children aged 0-16 years, specialising in special needs education. She has led intervention programs in the UK, supporting children and parents with English as an additional language. In Nhulunbuy, NT she served as a Team Leader in community children’s services, gaining insights into indigenous culture. Mohana’s versatility extends to disability support, youth work, and NDIS Support coordination. Holding degrees Supporting Teaching and Learning from the University of Roehampton, UK and currently pursuing a Bachelor’s in Psychological Science and Human Resource Management, her commitment to education, community, and personal growth is evident in her impactful journey. Mohana embodies lifelong learning and cultural enrichment through her global travels, inspiring all who cross her path.
Sharnie is a proud Indigenous woman of Ngarrindjeri ancestry who has a driving commitment to caring for others, underpinned by certification in Community Services. Dedicating the last three years to supporting those most vulnerable, Sharnie offers unwavering support and attention to detail. Sharnie has an infectious smile and a bubbly personality, creating a warm and inclusive atmosphere wherever she goes. With her compassionate nature and drive to making a positive impact for others, Sharnie embodies the spirit of care and service in her community.
Tiani Nicholson is a compassionate advocate with seven years of experience in the support industry, beginning as a dedicated support worker and progressing to a skilled support coordinator. Holding a Certificate III in Individual Support, her career also includes valuable time as a teacher aide in the special education department, where she cultivated her passion for empowering young people with diverse needs. Tiani is deeply committed to making a meaningful difference in the lives of others, known for her ability to think creatively and advocate passionately. Her expertise is enriched by professional development in trauma-informed care and understanding Autism Spectrum Disorder. Tiani’s dedication to advocacy and innovation reflects her unwavering drive to support individuals and communities in achieving their best outcomes.
With over a decade of experience in the aged and disability sector, Hannah is committed to providing compassionate and high-quality support to individuals in need. Certified in aged and disability support, she has played a vital role in managing rostering systems, ensuring seamless and efficient care for participants.
Beyond her professional expertise, Hannah brings extensive life experience with mental health, further fuelling her dedication to making a meaningful impact. Her caring and passionate approach allows her to connect deeply with those she supports, striving to enhance their quality of life. With every participant, Hannah delivers her optimal self, ensuring they receive the respect, dignity and care they deserve.
Theresa is a dedicated wife and proud mother of a 17-year-old young man who lives with ASD and ADHD. Her journey has led her to deeply explore the Autism Spectrum and its impact on daily life, equipping her with invaluable insight and understanding.
With years of experience supporting individuals with disabilities, Theresa has become a trusted advocate and guide for families navigating challenges in education, skill development, and daily living. She is passionate about empowering individuals who may otherwise be overlooked, ensuring they receive the support they need to thrive.
Her unique perspective, hands-on experience, and commitment to inclusion make her a strong and compassionate support coordinator, dedicated to helping NDIS participants live their best lives.
Nicole has over a decade of experience working in the aged care and disability sectors, bringing deep compassion, reliability and a person-centred approach to her work. Her career has been defined by a strong commitment to enhancing quality of life and promoting independence for individuals across a wide range of needs and abilities.
Nicole is passionate about helping people live independently, with dignity and choice. Her approach is respectful, patient, and tailored to each person’s unique goals, preferences, and lifestyle.
Known for her calm and caring nature, Nicole builds strong, trusting relationships with clients and their families. She is reliable, empathetic, and committed to making a meaningful difference in people’s lives.
Skye has over 10 years of experience working in the aged care and disability support sector, beginning her career as a support worker before progressing into a coordinator role Throughout her career, she has demonstrated a strong commitment to enhancing the quality of life for individuals living with disabilities and older adults. Skye is passionate about empowering her participants, ensuring they feel supported, heard, and respected in every aspect of their care.
She is known for her compassionate nature, reliability, and ability to build meaningful, trusting relationships with the people she supports. Skye takes the time to understand each participant’s unique needs, preferences, and goals, tailoring her approach to promote independence, dignity, and wellbeing.
With a deep understanding of the challenges faced by her participants and their families, Skye consistently advocates for their rights and strives to create a positive, inclusive environment where everyone feels valued. Her dedication to person-centred care is evident in every interaction.
Michelle brings over 15 years of combined personal and professional experience in the disability and aged care sector. Coming from a culturally diverse background, she values inclusivity, cultural sensitivity, and respectful communication.
Her journey began as a live-in carer for a family member with extensive spinal injuries, which gave her a deep understanding of complex care needs. In 2016, she transitioned into the formal care industry and has since worked across in-home, residential, and community-based settings. She has strong experience in aged care coordination, helping older adults access services, navigate systems, and maintain independence.
Michelle has also worked as a Local Area Coordinator (LAC) within the NDIS, supporting participants to understand their plans, connect with services, and build capacity. This role strengthened her skills in advocacy, community engagement, and promoting choice and control for people with disability.
She is committed to high-quality, person-centred care and is passionate about education, community connection, and capacity building. Michelle believes in collaboration, knowledge-sharing, and empowerment as key drivers for positive change and inclusion.