David joined as Executive Director in May 2022, from humanitarian charity Article 25, where he was Managing Director. He has over 17 years of experience in the charity sector, and has championed active urban travel infrastructure and conservation.

Maxine Frerk has wide regulatory experience including 15 years in Ofgem in senior roles.

Dr Martin Hurst was a senior civil servant on environmental issues for 20 years, including as Water Director in government and Environment Advisor in Number 10, and is by background a professional economist.

Clare worked on the Fair Transition project as an Associate, focussing on stakeholder and citizen engagement. She lead the Together for a Fair Climate Future programme developing creative and collaborative responses to the climate crisis and social justice issues. She is also a fine artist and curator.

Zoe McLeod is an Associate, with consumer policy and regulatory expertise. She has a particular focus on energy, water, innovation and consumer vulnerability and engagement issues.

Sophie Grinnell joined in 2022 as our Research Officer. She has a strong research and academic background with degrees in Environmental Engineering and Water, Energy and the Environment. Her doctorate (2019) examined the social impacts of hydraulic fracturing on communities. She is also a part-time associate lecturer at Cardiff Met University.

Judith Ward has worked with Sustainability First since 2005 and was director for five years. She is an energy policy professional with long-standing practical experience of both the utility and consumer worlds.

Clare is responsible for developing and implementing the organisation’s communications strategy, across the website, social media and the mainstream press. She also works on outreach work and was recently involved in the Fair Transition project. She has ten years' experience as a journalist including at the BBC.