Ellis is the CEO of Atyenhenge-Atherre Aboriginal Corporation and Santa Teresa Enterprises Ltd since 2020. London School Tropical Medicine-Masters Diploma Humanitarian Assistance Medecins Sans Frontieres (1996-2020) Head of Mission, Project Coordinator, in various countries in Africa, South East Asia & Director HR/Finance/MSF Australia. She managed the worlds largest, most successful HIY project in remote & rural Eshowe, South Africa – five year research & implementation project that reached the UN Aids deadlines two years ahead of target & changed HIY policy across the world.