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Greenwillows Associates Ltd

Professional Ecological, Arboricultural and Habitat Management Services

About Greenwillows Associates Ltd

Steve Parnwell founded Greenwillows Associates in 2001 following his retirement as a police wildlife liaison officer. In 2004 the business was incorporated as a limited company and continues to move from strength to strength with many loyal customers demonstrating their satisfaction with service delivery through continued repeat business.

Staff Profiles


Steve Parnwell

is Greenwillows' Principal Consultant Ecologist and founder, with over 50 years’ experience as a field naturalist and ecologist. Formerly the country's most senior operational Police Wildlife Liaison Officer at the rank of Chief Superintendent prior to his retirement from the service, he brings a unique set of skills to the field of ecological consultancy to achieve favourable outcomes for both our clients and the environment.


EmmaEmma Parnwell

is a Principal Ecologist at Greenwillows Associates who has been working in ecological consultancy for over a decade. She has an MSc in Conservation from University College London (UCL). She has a Level 2 Class Licence for surveying bats and has a particular interest in bat ecology. She also holds survey licences for great crested newts and barn owl. Based in Cambridgeshire, she acts as project manager and ensures Greenwillows Associates delivers high quality, evidenced-based ecological reports.

Ian Johnson

is our Associate Ecologist with 15 years consultancy experience and over 30 years working as a professional ecologist. Ian holds a number of protected species survey licences and is an experienced botanist. He regularly undertakes Habitat Regulations Assessments and has a particular interest in habitat creation.

JodieJodie Boocock

Jodie is an Ecologist, who has been working in consultancy since 2015, she has an MSc in Wildlife Conservation, and a background in the conservation sector. She is passionate about taking advantage of development to enhance the wider landscape and leads on our management plans. Jodie is certified in tree climbing and aerial rescue and holds a Level 2 Class Licence for surveying bats and a Level 1 Class Licence for surveying great crested newts. Jodie has a keen interest in botany and is also our lead bat data analyst, undergoing continuing professional development to utilise the latest echolocation software to present bat-call analysis in a comprehensive and accessible way for clients.

LizLiz Lord

has over 15 years’ experience of ecological consultancy, primarily in the development sector but also in farm environment schemes. She holds Natural England licences to survey great crested newts, bats and barn owls, and is experienced in the design and implementation of mitigation schemes for these species, as well as reptiles and badgers. Liz has a particular interest in farmland wildlife. She is passionate about the management of farmland habitats for target species, using this knowledge to inform successful farm stewardship applications. Liz has extensive knowledge of wildlife gardening, and advises on the enhancement of urban and suburban sites for wildlife, most often in the role of a BREEAM ‘Suitably Qualified Ecologist’.

HannahHannah Bushnell

is an Ecologist who has been working with Greenwillows since 2018. Hannah began her career at Greenwillows as a field worker then progressing to Assistant Ecologist, gaining valuable experience carrying out protected species surveys as well undertaking reptile and amphibian translocations. Prior to joining Greenwillows she had been working and volunteering with various Wildlife Trusts and completed a year as a trainee Reserves Officer at Rutland Water Nature Reserve, carrying out habitat management with a focus on woodland, grassland and wetland. Hannah also volunteers for the Langdyke Countryside Trust and enjoys photographing wildlife..

ElizabethElizabeth Trayhurn

is an Ecologist who joined Greenwillows Associates in May 2019 on a part time basis, coming from a background of consultancy field work. She has a BSc (Hons) in Animal Biology from Nottingham Trent University and an MSc in Global Wildlife Health and Conservation from the University of Bristol. With Greenwillows she has developed her skills in conducting Extended Phase 1 Habitat Surveys, and protected species surveys on badgers, bats, great crested newts and reptiles. She has a keen interest in bird watching, botany and tree climbing.

StephanieStephanie Ridge

is an Ecologist who started working at Greenwillows Associates in May 2019. She holds a BSc (Hons) in Ecology from Cardiff University with a professional training year where she undertook endangered species conservation in Sabah, Borneo. Steph was previously in charge of conservation at a SSSI wetland site, gaining experience of habitat management and wetland ecology. Since joining Greenwillows, Steph has undertaken many protected species surveys including badgers, bats and newts. Steph is an active member of the Bedfordshire Bat group and holds a Level 2 class licence for bat surveying.

LauraLaura Webb

Laura is an Ecologist and an Associate member of CIEEM who started working for Greenwillows Associates in March 2021. Laura has been working in consultancy and wildlife conservation since 2014, following a BSc (Hons) in Animal Science. She has experience with working on both large and small scale projects, before joining Greenwillows Laura was involved with overseeing and managing the construction phase of East West Rail. She also has experience in habitat management and creation gained through working as a Conservation Ranger for Center Parcs. Furthermore, Laura can survey for protected species, produce technical reports and complete data analysis.

ClaireClaire Parnwell

is the Finance and Project Manager at Greenwillows Associates. She works closely with the Senior Ecology team to manage the head office, and is generally the first point of contact for new clients.

Mary Parnwell

Mary is Greenwillows' Arboricultural Project Manager, responsible for coordinating tree and vegetation related works including habitat management, tree and hedgerow planting and removal and arboricultural surveys. In addition to this, Mary holds a Nebosh certificate in Occupational Health and Safety to oversee Health and Safety Policy development and implementation, liaising with the rest of the workforce. Her interests lie in sustainable urban design, and new developments in tree planting with climate change and flood management in mind.

JayneJayne Ramsay

is an Administrator and Office Manager with Greenwillows Associates. She assists Claire with the day-to-day running of the office and ensure the smooth running of the business. Outside of work, she is an advocate for sustainable living, working with the council as a volunteer to promote composting and recycling.