Dr John Orr is an EPSRC Early Career Fellow and University Lecturer in Concrete Structures at the University of Cambridge. His teaching and research are related to sustainable construction, with emphasis placed on concrete, and structural optimisation. John graduated with a first class MEng(hons) degree in Civil Engineering from the University of Bath in 2009, winning three University Awards. He subsequently stayed in the Department of Architecture and Civil Engineering to complete a PhD in fabric formwork, Flexible Formwork for Concrete Structures, graduating in 2012. Throughout his PhD John worked in industry with Atkins, who sponsored his research through an EPSRC Collaborative Award in Science and Engineering. Dr Orr joined the University of Cambridge in 2017.