
Who We Are
Sheffield Street Tree Partnership was established in 2019. Since then it has developed and evolved, at all times working together to deliver the vision of a network of street trees that Sheffield can be proud of.
Members of the Partnership

Nathan Edwards
Chair, Sheffield Street Tree Partnership
Nathan is Chair of Sheffield Street Tree Partnership. Nathan is a chartered landscape architect, part of the steering group for Nature Recovery Sheffield and the Chair of the Woodseats Community Garden.

Richard Eyre
Director – Street Scene & Regulations, Sheffield City Council
Richard provides senior leadership to the Partnership, aligning its work with city-wide policy and delivery. As Director of Street Scene & Regulation, he ensures the Partnership’s principles are embedded in Sheffield’s approach to public spaces, tree care, and environmental stewardship.

Christine King
Founding member of the Sheffield Street Tree Partnership
Christine is a founding member of the Partnership and represents Sheffield Tree Action Groups (STAG). Christine also volunteers as a Street Tree Warden.

Nicola Dempsey
University of Sheffield, Landscape Architecture Department
Nicola is a Senior Lecturer at the University of Sheffield. Nicola’s research interests relate to understanding the complex relationship between landscapes and humans.

Mohamed Edroos
Assistant Director – Highways Maintenance, Sheffield City Council
Mohamed ensures the Partnership’s work aligns with infrastructure planning and sustainable development. As Assistant Director of Highways Maintenance, he supports and leads on operational delivery and helps oversee the integration of integrate tree management into the city’s long-term transport and public realm strategies.

Camilla Allen
University of Sheffield, Landscape Architecture Department
Camilla is a landscape architect and historian, lecturing in Landscape Architecture at the University of Sheffield.

Sarah Shorley
Street Tree Warden representative
Sarah is the Partnership’s Street Tree Warden representative. Sarah’s passion for Sheffield’s treescape led her to pursue a career in urban forestry and community engagement.
Supporting Staff

Carl Ellison
Arboricultural Manager for the Streets Ahead Contract, Amey
Experienced arboriculture operations manager with over 20 years working in the industry, including 18 years working for Sheffield City Council and Amey as part of Streetforce/Streetshead.
I lead a team 3 tree inspectors, 1 supervisor, 1 operational planner and 14 operatives, plus the use of subcontractors, managing over 36,000 highway trees on behalf of Sheffield City Council.

David Wain
Service Manager – Streets Ahead Client Team, Sheffield City Council
David supports the Partnership’s operational delivery and strategic alignment. David is chair of the Management and Third-Party Claims Group, which is a sub-group that feeds into the SSTP quarterly meeting. As Service Manager for the Streets Ahead Client Team, he helps ensure that tree management is responsive, collaborative, and consistent with the Partnership’s vision.

Nicky Rivers
Ecology Manager, Sheffield City Council
Nicky embeds biodiversity and ecological resilience into the Partnership’s work. As Ecology Manager, she supports the integration of ecological principles into the work of the partnership, helping Sheffield’s treescape thrive as part of a wider green infrastructure network. She has been involved with Sheffield street tree since 2013 – including advocacy, policy, campaigning, ecology, working with communities and partnerships including being part of the Sheffield Street Tree Partnership since December 2021.

Rebecca Boyd
Business Manager – Partnerships and Improvements, Sheffield City Council
Rebecca is an experienced public sector leader, currently managing partnership development and continuous improvement for the Sheffield Street Tree Partnership. With a strong background in public leadership, project management, and community engagement, she is passionate about collaborative working and ensuring that Sheffield’s street trees are valued and cared for by everyone. She is committed to making the partnership’s work accessible, transparent, and impactful for all of Sheffield’s communities.

Ruth Nicholls
Sheffield Street Tree Partnership Manager
Ruth has been brought on to manage the smooth running of the Sheffield Street Tree Partnership, bringing a strong background in project management and collaboration. With a proven track record of delivering complex initiatives, Ruth will support the Partnership in achieving its goals and maintaining effective coordination across stakeholders.