Key Contacts

Crestwood Environmental employs a diverse range of consultants. The below represents the key contacts in each of our departments. Fancy joining the team? Check out our careers and vacancies section.

Karl Jones

Managing Director

Managing Director

Geospatial Visualisation

Light / Lighting Consultancy


Karl is a Chartered Landscape Architect & Chartered Environmentalist with over 24 years’ professional experience (including Expert witness) in landscape & environmental sectors. Experienced in LVIA, LCA, Green Belt Review, landscape planning & design & restoration detailing of industrial, mineral, landfill & brownfield sites & supervision of EIAs & planning applications, utilities & wind farms, housing & mixed-use masterplan schemes, EMPs & landscape contract administration work.

Recent long-standing member of the Technical Committee of the Landscape Institute (LI), current member of the Registration Authority for the Society for the Environment, LI Mentor for ‘Pathway to Chartership’ & previous committee member of the ialeUK. Co-author of BS42020 Biodiversity: Code of Practice for Planning & Development. Author of forthcoming Technical Information Note on Landscape and Visual Impact Assessment of Artificial Light & Lighting and on committee reviewing PLG04: Guidance on Undertaking Environmental Lighting Impact Assessment.

Chris Turner

Noise & Acoustics (Head of Environment Department)

Head of Environment Dept.

Noise & Acoustics


Chris is an Incorporated Engineer and Member of the Institute of Acoustics with over 17 years of professional experience (including expert witness) in the areas of acoustics, noise and vibration.  Experienced in providing noise and vibration assessments for planning, noise management plans for entertainment, industrial and transportation facilities, and acoustic design within the built environment (e.g. residential schemes, office developments and commercial fit-out).

Chris is Chair of the Institute of Acoustics Meetings Committee and attends the Institute’s Council meetings.  He is a member of the Institute of Physics, the Institute of Directors, a Liveryman of the Worshipful Company of Constructors and sits on the Company’s Membership Committee.  He is vice chair of the Acoustics Technician Apprenticeship Trailblazers Group and founding chair of the Association of Noise Consultants Future Acousticians Committee.

Kat Okon

Senior Environmental & Analytical Scientist

Senior Environmental and Analytical Scientist

Air Quality, Bioaerosols and Dust


Adam Collinge

Head of Landscape and Environmental Planning

Head of Landscape & Environmental Planning


Environmental Planning & EIA


Adam is a Chartered Landscape Architect with over 10 years’ professional experience in landscape and environmental sectors, across public and private sector. Primary experience relates to LVIA and landscape planning, mitigation, design and management (including Landscape Character Assessments, Landscape Capacity and Green Belt Studies) in relation to housing, mixed use and commercial developments, educational facilities, large scale renewable energy schemes (solar, wind, IVC/AD), minerals and waste projects (including restoration design) and a range of projects with an ecological and historic bias, requiring environmental enhancements and restoration/design schemes.

Co-ordinated multiple planning and EIA applications, in relation to large scale developments. Expert witness at Development Plan Examinations and on Planning Appeals. Acted as a Development Control consultee on landscape and ecology matters, as well as developing Green Infrastructure Strategies.

David Leigh

Head of Department (Heritage & Archaeology)

Head of Department (Heritage & Archaeology)




Nick Masters

Head of Ecology

Head of Ecology

Ecology / Biodiversity


Nick is Head of Ecology with over 17 years’ professional experience in ecological consultancy across all sectors including infrastructure, utilities, commercial, residential and public sector work.  Nick is experienced in providing bespoke advice in respect of complex and technically challenging projects, based on a thorough understanding of the project itself as well as the relevant ecological legislation, policy and best practice.

Throughout his career, Nick has undertaken a broad range of protected species survey and mitigation work to support planning applications, discharge of conditions, Environmental Impact Assessment, Development Consent Orders, biodiversity net gain and offsetting, Department of Energy and Climate Change applications, Environment Agency consents and other formal applications.

Nick is a current great crested newt survey and derogation licence holder, and a Full Member of CIEEM.  He is committed to training and development of ecologists to ensure that clients are provided with clear, forward thinking and pragmatic advice.

Kate Brady

Principal Consultant (Environmental Permitting)

Environmental Permitting

Environmental Permitting


You can also contact our relevant departmental teams using the below email:

Accounts –

Ecology –

Lab –

Landscape –

Monitoring –