Professor David Greenfield FCIWM FRSA CEnv
Member of the UK Government Circular Economy Taskforce
Professor David Greenfield FCIWM FRSA CEnv
Founder and MD, SOcial, ENvironmental & EConomic Solutions (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
Vice President Circular Economy Institute (CEI), and
Immediate Past President – Chartered Institution of Wastes Management (CIWM)
Programme Director – Circular South East
David is a dynamic force in driving global sustainability through his multifaceted roles in the circular economy landscape. At the helm of SOENECS, the research and innovation practice he founded in 2014, David spearheads strategic consultancy, training, and solutions at the forefront of the circular economy, waste management, and environmental auditing domains.
In 2020, David co-founded Tech-Takeback, a ground-breaking not-for-profit endeavour revolutionizing end-of-life electricals collection in Brighton & Hove. Their innovative "RevaluElectricals" service, powered by The ZeroNet, earned them the prestigious 2021 Business Green Leaders award for Circular Economy and between 2024 and 2026 delivered over £30million of Social Value. In 2026 Tech-Takeback split into TTB CircularIT and Tech-Takeback Foundation.
TTB CircularIT is now running two EU Horizon projects; The United Circles project; Circular South East, a pathfinder hub for industrial urban symbiosis, and Circuit4EU, a robotic critical raw material recovery project from end of life electricals. David is Programme Director for the UK elements of both projects.
His entrepreneurial spirit led to the establishment of etsaW Ventures in 2022, a venture studio dedicated to catalysing and scaling circular innovation. Under his leadership, the studio has invested in award-winning companies and is nurturing the growth of three new material extraction ventures.
Since 2018, he has been the Vice President of the Circular Economy Institute (CEI), where his dedication has fuelled impactful initiatives on a global scale. With eight years of volunteer service under his belt, David has orchestrated over 50 face-to-face networking events, including pioneering endeavours like the CEC London Tour of Circular Businesses on the Circle Line. His influential voice has resonated at more than 25 international events, captivating audiences from Reuters to Rotary and PWC.
Recognized for his expertise, David was appointed Professor of Circular Economy at the University of Brighton in 2021, where he collaborates with academia to integrate circular principles into the educational landscape. In 2024 David appointed as one 15 members of the Government Circular Economy Taskforce to support the government in creating a circular economy strategy for England.
In 2025, David's peers elected him as President of the CIWM, a testament to his esteemed reputation and contributions to the field. Beyond his presidential duties, he serves on the Strategic Advisory Board for The University of Manchester’s Sustainable Futures Initiative and University of Brighton Industry advisory Board. As a Government Adviser and past chair for the Local Authority National Waste Network Chairs, David remains at the forefront of shaping policy and driving impactful change.