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About Us

Empowering Your Journey Through Every Stage

You can be assured that Oak Tree Alliance Support Coordinators practice under a model of support that is

We excel in problem solving and resourcefulness. We think creatively, identify solutions and navigate through complex situations to ensure that you receive the best possible outcomes.

We are pleased to work alongside you to help you achieve your NDIS goals.

Connection of Community Through Unified Support

At Oak Tree Alliance, we believe in the strength of community and collaboration. Together, we navigate the NDIS journey, ensuring every individual feels supported and understood.

Who We Are

Our Commitment to You

Oak Tree Alliance focuses on what matters to Participants, their families and their support networks. Our coordinators empower Participants to choose their own pathways to success and support them through expert guidance to ensure they are informed and confident in their NDIS journey.

I am so thankful for Catherine and the support coordination she provides to my two boys. I would be lost without her. Catherine has worked hard to coordinate all their service providers and ensure everyone is working together. We have a very complex family and I couldn’t navigate the NDIS without Catherine. She really cares about her participants and I would strongly encourage anyone looking for a support coordinator to contact Catherine.

    Jess S


    Catherine is very proactive and always follows up. She is what you want in a coordinator. Catherine has great community connections and has linked us in with fantastic therapists and programs for our daughter. If there is ever anything wrong, Catherine helps to fix any issues and get things back on track. Catherine goes above and beyond.

      Karen R


      Catherine Cash has been my support coordinator since I was accepted by the NDIS because of a stroke i had afflicting my left side in January 2023. As it was my first year with the stroke, my brother Joe (my carer) and I had no idea how it all worked. Catherine has helped us through it all. She has always been there for us with appointments and getting aides etc to help me through this hard thing that i have to learn to live with. Whenever we ring or email, she is there almost straight away to help. Her knowledge and contacts have helped us immensely.

        Stephen W


        Mohana and Oak Tree Alliance have been nothing but amazing and accommodating right from the beginning. Nothing was too much trouble. I felt at ease as a parent that I had made the right choice choosing Oak Tree Alliance and Mohana as our support coordinator. There was no mucking around on their behalf, things were put in place right from the get-go.

          Amiee T


          Catherine was incredibly helpful in a time of need for our family. We are so grateful for everything she did for us, nothing was a problem. Catherine has a lot of local knowledge and expertise that helped my husband with his transition from hospital to home. Catherine works with such professionalism and integrity that made her the right fit as our Support Co-Ordinator.

            Leisa R


            Mohana is very easy to talk to. She is very caring and understanding. If I am unsure of something or have an issue, Mohana helps me to figure it out.

              Jennifer S


              I am happy that Oak Tree Alliance have come into our lives. I’m happy with the providers that Mohana has put in place for us. Mohana is a lovely person, there is good communication and she responds to all our needs.

                Joanne H


                Mohana has lifted a weight off my shoulders like i can never truly explain, with what Mohana has done and taken care of me in just these short few months, she's like a guardian angel. I just wish I had Mohana or knew of this sort of support years ago, it would have just relieved so much stress off me as a full time working mum and career for my daughter.

                  Name Withheld


                  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

                  Business Manager & Specialist Support Coordinator

                  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.

                  Mohanaranjani (Mohana) Rathamohan

                  Support Coordinator

                  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.