Stephen Stack is an Analyst at Energy Innovation, where he works on the modeling and analysis team. He uses policy research, data analysis, and energy system modeling to support philanthropic strategy and ensure resources are focused on the highest impact opportunities.
Prior to joining Energy Innovation, Stephen worked as an economic advisor in the UK Government. At the Department of Business, Energy, and Industrial Strategy, Stephen led the analytical program supporting the decarbonization of the UK’s public sector, which includes the nation’s education and healthcare systems. He was responsible for the modeling, appraisal, and cost benefit analysis of the Public Sector Decarbonization Scheme, a multi-billion pound heat decarbonization investment program. He developed the public sector’s decarbonization pathway and targets that featured prominently in the UK Government’s landmark Heat and Buildings Strategy (2021) and Net Zero Strategy (2021). Earlier in his career, he worked on poverty, social security, and pension policy at the UK’s Department for Work and Pensions, leading the development of the UK’s primary tax and benefit simulation model.
During his time in the UK, Stephen was a community organizer and grassroots campaigner with Extinction Rebellion, holding organizational roles in several of the nationwide ‘rebellions’ that garnered international media attention and led to the UK Government’s declaration of a climate emergency.
Stephen holds a bachelor’s degree in economics and political science from Trinity College Dublin, and a master’s degree in energy and resources from the University of California, Berkeley. During his master’s degree, Stephen held research roles at Lawrence Berkeley National Laboratory and the Department of Environmental Policy, Science, and Management. His research has been featured in Annual Review of Environment and Resources. He currently resides in Berkeley, California.