Dr Matthias Irger is an experienced architect and urban designer specialising in regenerative design and planning, carbon reduction and climate adaptation, who champions an evidence-based, collaborative, and interdisciplinary approach. He is driven by a passion to reconcile the objectives of liveability and a zero-carbon economy, and its practical application in architecture, urban design, and strategic planning. As the National Head of Sustainability at COX Architecture, Matthias creates strategies and tools that reduce the embodied and operational carbon emissions across all services and projects. He is a co-founder of Australian Architects Declare’s Product Aware platform and actively engaged in bridging science, design practice and climate action through collaboration and research partnerships with the University of NSW, the Sustainable Buildings Research Centre at the University of Wollongong, and the Living Future Institute of Australia.