Mat was DeSmog’s Special Projects and Investigations Editor, and Operations Director for DeSmog UK Ltd. He was DeSmog UK’s Editor from October 2017 to March 2021. He began working with DeSmog as the UK’s Deputy Editor in October 2016, having previously been an editor at Nature Climate Change and analyst at Carbon Brief. He completed his PhD on political communication strategies in US Congressional climate change debates at the University of Bristol in 2012, which won the Hilary Hartley prize as the best thesis in his department’s graduating class. Mat is a member of the National Union of Journalists.