Liam joined Green Alliance as a policy analyst in July 2022. Before this, Liam worked at the global online climate school Terra.do. He has previously been a data analyst for the digital inclusion charity Good Things Foundation, and a lecturer in astrophysics at the University of Sheffield. Liam is an En-ROADS Climate Ambassador with Climate Interactive, and has volunteered in grassroots climate campaigns and local politics. He has an MPhys in Physics and Astrophysics and a PhD in Astronomy from the University of Sheffield.