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Rebecca (Bec) Halliday

Rebecca (Bec) is a proud Birpai woman with over two decades of experience leading transformational change and complex systems reform across government, industry, higher education, and First Nations communities. As a senior executive leader and strategic adviser, Bec is nationally recognised for leadership in cultural heritage governance, environmental protection, and the clean energy transition. She specialises in designing strategy, policy, and partnership frameworks that embed First Nations knowledge systems into Australia’s environment, energy, and infrastructure sectors. Bec is the co-founder and Principal of GIRA Advisory, a First Nations-led strategic advisory firm partnering with government, industry, and community to deliver commercially and culturally grounded solutions in governance, ESG advisory, agreement-making, and environmental reform — enabling shared decision-making, protecting Country, and creating sustainable futures.