Denny Gunawan is a Research Associate in the Particles and Catalysis Research Group within the School of Chemical Engineering at the University of New South Wales. He is also affiliated with the Australian Research Council Training Centre for the Global Hydrogen Economy and Centre of Excellence for Carbon Science and Innovation. His research focuses on improving photocatalytic solar fuels and chemicals production through material design and reactor engineering. Furthermore, he has made extensive contributions to several government- and industry-led decarbonisation projects, conducting techno-economic studies on sustainable fuels and chemicals technologies.