Sarah Butler-Sloss is the founder of the Ashden Awards for Sustainable Energy.

Sarah Butler-Sloss is internationally recognised for her work in the field of green energy over the past 20 years. She is best known for founding the Ashden Awards for Sustainable Energy in 2001. Ashden is a London-based charity that focuses on sustainable energy and development. Its work includes the annual Ashden Awards, advocacy and research in the field of sustainable energy, and mentoring and practical support for award winners.

Sarah is also the Chair of Trustees of The Ashden Trust, one of the Sainsbury Family Trusts, established in 1989. The Trust supports programmes focusing on climate change, sustainable development, or improving the quality of life in poorer communities. Sarah was formerly a trustee of Forum for the Future, and is on an Advisory group for Schumacher College and a Development Steering Board of the British Academy.