Dan is a PhD candidate and research associate at the University of Bristol. His PhD research addresses modelling energy footprints of complex IT systems. Most notable here is his modelling work of the organisational carbon footprint of the digital operation of the Guardian as part of the SYMPACT project. As a research associate Dan works on the Digital Greendoors project and the STEEP project. Before coming to Bristol, he worked for several years as a software engineer in the IT industry.