Dr Paul Toyne leads the global architecture and design practice Grimshaw on sustainability, overseeing their goals of net zero carbon ready designs by the end of 2025 and truly sustainable and regenerative designs by 2030. Paul’s project experience covers all elements of the built environment, from flagship buildings/developments to infrastructure. Paul was elected to the British Aviation Group as a board member in December 2023 and is a member of the UK Green Construction Board’s Infrastructure Working group. He has finished serving as a London Sustainable Development Commissioner appointed by the Mayor of London (2010-2024). He has a PhD in ecology from Imperial College and has a butterfly named after him.