Prof. David Greenfield
Vice President Circular Economy Institute (CEI), and President – Chartered Institution of Wastes Management (CIWM), Founder and MD, SOENECS Ltd, Co-founder and MD Tech-Takeback Ltd, Co-founder and Executive Chair, etsaW Ventures, Member of the UK Government Circular Economy Taskforce Visiting Professor of Circular Economy at the University of Brighton
As Vice President of the Circular Economy Institute, David brings over two decades of leadership in embedding circular economy principles across different sectors. He is a serial ecopreneur—founder of SOENECS, co-founder of Tech-Takeback and etsaW Ltd, and creator of nationally recognised programmes such as the Waste Improvement Network and DfT-funded Pothole-Spotter.
His work bridges technical expertise with policy influence, having advised UK Government departments (DEFRA, DESNEZ) and been a partner to EU programmes like Interreg’s TRANSFORM-CE and United Circles. David has authored influential local authority strategies, including the West Midlands and Brighton & Hove’s Circular Economy Routemap and Tower Hamlets’ Waste SPD. He also serves on the UK Government Circular Economy taskforce and holds multiple academic and advisory roles. With a passion for regenerative design and systems thinking, he champions the practical implementation of circular economy in the built environment—guiding infrastructure, policy, and innovation across sectors.
Through CEI, David continues to build global knowledge networks and develop tools that accelerate the shift from linear to circular, creating lasting environmental and socio-economic value.


