Fiacre Rougieux is a senior lecturer in the School of Photovoltaics and Renewable Energy Engineering at UNSW Sydney, and has a PhD from the Australian National University in the field of photovoltaics and semiconductor materials. His work focuses on engineering the materials and devices required to accelerate our transition to a decarbonised and circular economy. Fiacre’s notable achievements include the development of high-efficiency and low-cost solar cell concepts (including efficiency records for solar cells made with upgraded metallurgical grade silicon) and unravelling the physics of defects limiting high efficiency devices. He has also published and co-authored more than 80 papers. Fiacre has won numerous awards and fellowships including a UNSW Vice-Chancellor fellowship, an Australian Research Council (ARC) Discovery Early Career Researcher Award (DECRA) and an Australian Renewable Energy Agency (ARENA) Postdoctoral Fellowship.