David Cheshire is a Regional Director at AECOM, specialising in sustainability in the built environment. David has over twenty years’ experience acting as a sustainability champion on construction projects and has written best practice industry guidance including CIBSE’s Sustainability Guide. David is a Chartered Environmentalist, a BREEAM Accredited Professional and sits on the SKA Rating technical committee as well as delivering training on sustainable buildings.

He is the author of Building Revolutions, published by RIBA Publications. The book outlines, for the first time, a set of circular economy principles specifically for the built environment, drawing on illustrative methods and examples to explain how the principles of a circular economy can be applied to buildings where resources are kept in use and their value retained. Building Revolutions proposes ways new business models can be applied to reduce capital and lifecycle costs, providing a positive architectural legacy for future generations.