Key Contacts

A. M. Lambert - 
Managing Director
A M Lambert ('Sid') has over 30 years' of experience in the UK waste management industry working in both the public and private sector as a Civil Engineer on a wide variety of solid waste management related projects including treatment, recycling, transport and disposal. His project experience includes design, build and operation of: waste baling plants, refuse derived fuel plants, engineered landfills, household waste recycling centres, waste transfer stations both road and rail, clinical waste incineration and landfill gas waste to energy projects.
Sid began his career in Local Government where he was part of a team who wrote one of the first local authority 10 year waste disposal plans and was subsequently responsible for its implementation. He also worked as part of an engineering team who supervised the procurement, design and construction of 2 Waste Baling Plants and a Refuse Derived Fuel Plant, along with the development of a number of Strategic Landfill Sites and Household Waste Reception Centres.
Following his work in Local Government, Sid moved into the private sector where he worked for one of the UKs largest quarry operators, as Development Director he was responsible for the expansion and growth of all the Company's solid waste management activities in the UK including, treatment, transport and disposal. In 1994, Sid set up the Crestwood Environmental consultancy.
Sid is a full Member of the Chartered Institution of Wastes Management (CIWM) and has also gained Chartered Environmentalist (CEnv.) status. Sid is also registered as an independent Assessor and Internal Verifier for the full range of level 3 and 4 waste management awards. Sid has recently delivered a number of papers on engineering sustainable waste management, representing the UK waste management industry at UKTI / EISU conferences in Kenya, Tanzania and Hungary.

Adam Collinge - Associate Director & Principal Landscape Architect
Adam joined Crestwood in 2010 and is a Chartered Landscape Architect, with experience both in public and private sector. He has a Masters' degree in Landscape Architecture from Birmingham City University, as well as a 'with honours' degree in Geography and Environmental Management from Durham University and is an Associate Member of the Institution of Environmental Sciences (AMIEnvSci). Adam is also a former committee member of the UK branch of the International Association for Landscape Ecology (IALE UK).
Adam is experienced in LVIA, as well as landscape design, planning and management, working on a wide variety of landscape projects including waste, minerals and renewable energy infrastructure developments, parks and open spaces, historic landscape restoration, play areas / outdoor sports facilities, school grounds and cemeteries. He is also experienced in landscape and ecological planning issues, has acted as a local authority planning consultee and has successfully compiled and managed a number of planning applications, obtaining planning permission for a range of developments. Adam is experienced at working on various sites of nature conservation interest and has also given evidence at Public Inquiry, relating to local development plans.   
Adam's primary job role with Crestwood is to provide assessment, design and management input into a wide range of landscape schemes, as well as offering support on planning and ecology issues.  His experience across both private and public sector, allows him to offer insightful client support from initial project inception through to design stages and obtaining planning approval as well as helping to plan the future management on the project sites. 
Lucy Cash - Associate Director & Principal Ecologist
Lucy is the Senior Ecologist at Crestwood Environmental.  She has worked in the field of ecological consultancy, habitat management, conservation work and research projects since 1998. Lucy has been a full member of IEEM for over 6 years and has worked on a variety of projects in a number of sectors across the UK including large scale gas pipeline, renewable energy sites, quarries, landfills and transport and major rail projects.
Lucy is an experienced all round ecologist and holds a number of Natural England survey licences including Great Crested Newt and Class 2 Bat Survey Licence. She has held numerous European protected species development licences and is experienced in designing large scale mitigation projects. She has experience of Expert Witness at Public Inquiry, project management, ecology training and public speaking. She also has a comprehensive knowledge of UK and European Wildlife and planning legislation. 


Alyson Tunney - Office Manager
Alyson joined Crestwood Environmental in 2008 as an Office Administrator. She previously worked for a manufacturing company where she developed her career from Office Junior up to Assistant to the Quality Manager and Marketing Manager with responsibility for junior staff.
Alyson will assist in answering your queries as she manages the majority of our accounts and provides untiring professional assistance to the team. She is a much valued and committed team player and is studying hard to further her career within the Company, recently becoming a student member with the AAT which has also allowed Crestwood to become an 'AAT 
accredited Employer'.
Karl Jones - 
Director and Principal Landscape Architect
Karl is a Chartered Landscape Architect and a Director at Crestwood Environmental Ltd. He has worked in the landscape and environmental sectors since 1996 (working for waste/mineral operators and consultancies). He has gained Chartered Environmentalist (CEnv.) status and is a full member of the Institute of Agricultural Management (IAgrM) and an Associate member of the Institute of Environmental Management and Assessment (IEMA). Karl is a member of the Technical Committee of the Landscape Institute, a Mentor for Pathway to Chartership and was a previous committee member of the UK branch of the International Association for Landscape Ecology (IALE UK).
Karl has worked on a variety of large-scale development projects including numerous quarries, landfills, wind farms, waste management facilities and housing and commercial developments. He has also acted as an Expert Witness on Green Belt, landscape and visual issues at Public Inquiry for a number of different developments. His specialist areas are in the design, assessment and restoration of minerals and waste management facilities, but Karl also provides in depth consultancy advice on a variety of environmental subjects including landscape architecture, ecology and 3D digital modelling and photomontage techniques.
View Karl Jones's profile on LinkedIn

Stephen BarnesStephen Barnes - 

Director & Principal Environmental Consultant
Stephen has over 20 years' experience as an environmental scientist and waste manager, gained in both the private and public sector. He has worked on various projects associated with waste management facilities, including: landfill sites, energy from waste plants, hazardous waste transfer stations and treatment plants, anaerobic digestion facilities, composting sites, metal recovery and vehicle depollution and household waste recycling facilities.
Stephen has been responsible for the preparation and project management of Environmental Permit Applications (and formerly PPC Permit and Waste Management Licence Applications) for nearly 100 sites, including 25 successful permit applications as part of the largest waste PFI Contract in the UK. He has also prepared successful permit applications for industrial facilities such as foundries, mineral processing activities and food processing factories. He is experienced in permit surrender applications, PFI bid support, feasibility studies, due diligence and intrusive site investigations and monitoring.
Stephen has undertaken compliance audits of waste facilities in the UK and overseas, including landfills sites and pyrolysis and gasification plants. He is a former Chair of the Anaerobic Digestion and Biogas Association’s (ADBA) Planning and Permitting Group and prepared the Permitting Section of ADBA´s ´Practical Guide to AD´, which is the industry’s guidance to its members. He is a Member of the Chartered Institution of Wastes Management and the Society for the Environment.
David Lowe - Senior Environmental Consultant

David joined Crestwood in January 2016 and is responsible for providing technical advice on a wide variety of development projects with a focus on waste management.


David holds a BSc (Hons) degree from London University and has a Master’s degree in Environmental Control. He became a Chartered geologist in 1995 and is a Chartered member of CIWEM and a Chartered Environmentalist.


David started his career with Severn Trent Water gaining experience in all aspects of the water industry being deployed in several operational roles. He then moved into environmental regulation and has worked in several geographic areas including Yorkshire, East Midlands and West Midlands. From 2002 until 2014 David was Environment Manager for the Environment Agency (EA) latterly working in the West Midlands where he led a department of circa 85 professionally qualified staff responsible for sustainably protecting and improving air land and water, and for implementing a wide range of environmental legislation.


During his career with the EA David was frequently deployed as Strategic manager in response to major incidents including flooding and pollution. David has worked on several high profile prosecution cases and represented the EA in public inquiries. David has been spokesman for the EA regularly in public forum, making a number of conference presentations.  In addition David is media trained and has represented the EA in national TV and radio on a number of sensitive environmental issues.

Roger Grainger - Senior Environmental Consultant
Roger joined the company in 2011, with over 35 years of experience in pollution control, waste management and waste water treatment and was formerly a Team Leader (Environment Management) with the Midlands Region of the Environment Agency (EA). Roger is a Member of the Chartered Institute of Water and Environmental Management (MCIWEM) and reviews technical papers for the Institute; he is also a Member of the Royal Society of Chemistry (MRSC) and studied chemistry at Wolverhampton University.
Roger has extensive experience in wastewater treatment systems and has worked for the former British Steel Corporation in their research laboratories investigating treatment options for cyanide, phenolic and non-ferrous metals waste streams. Before leaving the EA he managed a team of Environment Officers who regulated, under the Environmental Permitting Regulations, numerous waste treatment and landfill sites. Under Roger’s direction the team also monitored and controlled water quality in rivers, reservoirs and aquifers.
He has also worked closely with the Coal Authority over the last ten years on the evaluation of rising mine-waters in the Staffordshire Coalfield where, following the closure of all deep mines in Staffordshire and cessation of pumping in the nineties, outbreaks of mine-water has occurred. Roger has assisted the Coal Authority in assessing risks to surface and groundwater sources and evaluating treatment proposals for known emissions and predicted future discharges.  Roger has also specialised in Bioaerosol Risk Assessments and has been trained internally, by the EA, and externally, by the Chartered Institute of Waste Management.