Meet the GreenBlue Urban Team
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Meet the team that makes it possible to create healthier urban spaces in harmony with nature.

Aimee Young

Customer Service Administrator

Aimee joined the team looking for a new challenge. With 8+ years’ experience in the customer service industry she enjoys speaking to customers and working in a busy team environment.

Alice Cowlen

Customer Service Administrator

Alice has worked in client-facing roles within the Investment Industry in London for over 16 years, before joining the Customer Services Team here at GreenBlue. She is friendly, and approachable and her aim is to give the best service to everybody she has contact with. Alice loves a new challenge and has 3 young sons, that keep her on her toes!

Alison Johnson

Senior Technical Co-ordinator

Alison has worked in the Construction Industry for over 20 years in tender analysis and reporting. During this time she raised two competent and confident young men, whilst gaining experience in Quantity Surveying and Cost Control in new build housing, property and project management, and the Nuclear industry. Alison is currently undertaking a major refurbishment with her husband on their house in Kent.

Arran Bowie

Operations Support

Arran joined the team in 2017 with starting off in Product Development assisting with the R&D of new products before moving into Operations where he coordinated and processed project soil requirements. Arran now heads up the project support and aftersales department also supporting the Operations team in the design and manufacture of bespoke products to fulfil complete customer satisfaction. This can involve site visits throughout the country to provide both customers and installers support with any challenges which may occur through to bespoke installations. Arran also heads up the Procurement Department ensuring quality and efficiency is key from source to end user.

Ben Anderson

Technical Coordinator

Ben has been with GreenBlue since July 2021, he holds the role of Technical Coordinator. He has worked in the construction industry for many years and relishes building relationships across the many disciplines within the industry. His current role has him providing in-depth technical details and advice across a wide array of projects across the UK. He also keeps up to date with our customers on everything and anything happening with the many projects we are involved in, helping guide them successfully into the urban realm.

Christopher Gower

Digital Designer

Chris has a passion for design, animation and video and this is very much reflected in the material he creates as part of our Marketing team.

Chris’ creations include our technical resources, product data sheets and industry publications including Edition 9 to name but a few. Why not take a further look around our website to see just a small sample of Chris’ amazing work!

Dale Bowie

Sales Manager

Dale’s journey with GreenBlue Urban spans several years, during which he has diligently ascended the ranks from the warehouse and customer service departments. This tenure has endowed him with invaluable product expertise and a keen understanding of client requirements. In his previous role overseeing the estimating department, Dale collaborated closely with the sales team to furnish customers with optimal advice, solutions, and service. This hands-on experience not only fortified his technical acumen but also deepened his understanding of customer dynamics. Transitioning seamlessly into account management, Dale now extends unwavering support to clients in the northern region, fostering seamless collaboration to realize tree-planting initiatives for posterity. His dedication and proficiency have been recognized with promotions, culminating in his current position as Sales Manager. In this capacity, he orchestrates a dedicated sales team committed to addressing clients’ needs nationwide.

Dean Bowie


Dean founded GreenBlue Urban Limited as Greenleaf in 1992. He is passionate about urban trees being given the best possible resources and environment in which to thrive and travels the globe propagating his enthusiasm to governments and local authorities.

More recently, Dean has developed his expertise to integrate Sustainable Urban Drainage Systems (SuDs) technology with optimum Urban Tree Pit design, championing the movement into storm water management utilising urban trees.

Hannah Cook

Marketing & Events Coordinator

Hannah specialises in managing successful events across the UK. Her strength lies in creating industry relationships with businesses and customers, playing a key role in establishing the company as a go to reliable source for green and blue infrastructure solutions.

Howard Gray

Business Relationship Specialist

Howard is a passionate advocate for urban trees, having planted his first tree nearly 45 years ago. Understanding the many conflicting claims on the space in our towns and cities, he works across the many stakeholders to achieve the best possible chance for every tree to grow to its species potential. Enthusiastically promoting proven green infrastructure planting methodologies, presenting to a wide range of different disciplines in many countries globally, he views himself as an active ambassador for GreenBlue Urban.

Imogene Green

Social Media & Design Assistant

Imogene became a valuable member of our dynamic team in late 2021, drawn by the fulfilling prospect of contributing to environmental initiatives through her work. Transitioning from Business Development to our Marketing team, Imogene has taken on a multifaceted role, overseeing the creation, curation, and management of our social media platforms. Simultaneously, she remains actively involved in prospecting to foster business growth. Imogene’s presence has significantly boosted office morale, as her infectious positivity resonates throughout the team.

James Dalrymple

Business Relationship Specialist

James has been part of the GreenBlue Urban team since the late 90’s.  As a director, he has been involved with the many advances in successful urban tree planting technology.  He shares the team’s passion for increasing our downtown tree canopy cover and promotes the effective use of Green Infrastructure within SuDS projects to reduce the volume of surface water entering our sewers.  He continues to work on a wide variety of projects both within the UK and overseas to advise on best practice ensuring trees in our city centres reach maturity.

Judy Bishop-Lund

Business Development Executive

Judy joins Green Blue Urban bringing a wealth of sales and marketing experience gained over 25 years in B2B companies. She is passionate about the environment and relishes being part of a company that can bring true value to the construction industry and wider community. She supports the sales team in promoting GBU products and more importantly their benefits – liaising with merchants, architects, landscape architects, civil engineering companies, borough counsils and contractors – to adopt proper tree planting methods to fulfill the benefits that green infrastructure can bring. Outside of work you can find her on the tennis court and socialising with friends and family.

Karlos Woodcock

Key Account Manager

Drawing on 13 years of experience in the construction industry, I am passionate about looking after and building lasting relationships with our Key clients here at GreenBlue Urben.

The high energy levels within the team is something I thrive on. I am committed to collaborative success, ensuring that every project reflects our shared commitment to excellence. Lets shape a sustainable future together.

Keith Randelhoff

Compliance and Quality Officer

Keith joined us in January 2021 and is primarily our manufacturer and controller of stock items we produce on site. If we’re exceptionally busy Keith doubles up as a forklift operator & picker. He comes from an extensive manufacturing background with over 40 years experience in Warehousing, Quality and Supply Chain Management.

Kelly Cook

Customer Service Administrator

Born and raised South Africa, I decided to make the move to the UK in 2022. I have worked in the customer service industry for the past 5 years and enjoy talking to customers and building relationships with them. I am friendly and approachable and love what I do for GreenBlue.

Kerenza Bance

Marketing Assistant

Kerenza has been a part of the GreenBlue Urban team since 2021. As role of marketing assistant, she is involved with the organisation of CPD’s and supports the events co-ordinator to ensure the successful organisation of internal and external events. Also, actively managing the process of implementing new case studies.

Kinglsey Bance

Internal Sales Executive

oined Greenblue at the end of 2022, starting in the warehouse and working my way up through estimating, where I gained valuable product knowledge, to now being part of the Sales team. I enjoy liaising customers on how we can better support them and making sure they have everything they need to ensure they secure the project and then everything runs smoothly on site. A great passion for what GreenBlue urban do in creating healthier urban spaces in harmony with nature.

Lloyd Mumford

Product Development Manager

Lloyd manages our Product Development process from idea generation through to testing and delivery to market.

Lloyd has a passion for the new and varied and loves being involved in the development of exciting products and technologies, which is just what we need to fulfil our company vision of being the best tree pit solution provider in the World!

Louise Page

Head of Marketing

Louise heads the effective marketing team who are responsible for increasing the GBU brand on a global scale. She takes pride in the expertise, high-quality products, and level of service GreenBlue offers.

Above all, supporting continued innovation across the industry to enable healthy urban places for all!

Marcella Polinski

Customer Service Coordinator

Marcella is an experienced customer service coordinator, having previously worked in a wholesale environment (books/entertainment products).

Her main role within the company is to manage customer enquiries and process orders in a timely and efficient manner. Marcella frequently answers the phone so could be the first person you speak to when calling GreenBlue Urban. She is enjoying working within a new industry and for the challenges her role brings.

Martin Johnson

Warehouse Operative

Martin joined GreenBlue in 2019 with 25+ years of warehousing experience under his belt, as well as a background in health and safety auditing. Martin’s primary role is the picking, packing, and dispatching of our day-to-day sales, as well as loading and unloading the many vehicles arriving in our yard, all while keeping the place tidy – this all makes him an incredibly valuable asset to the operations team.

Martin Murray

Head of Operations

Martin has many years’ experience in transport, manufacturing and distribution. He has worked for some of the largest 3pl providers giving him a solid understanding of the challenges maintaining high expectations.

Martin holds a Transport Managers international CPC as well as IOSH. Martin oversees the operational side of the business ensuring our activities are undertaken in a safe and compliant manner.

Oliver Palmer

Operations Assistant

Ollie joined GreenBlue in the middle of 2018 as a warehouse operative and has since worked his way into a more office-warehouse split position under the title of Operations Assistant (as of 2022). His day to day roles include the arrangement of direct haulage from our site to the customer’s site, ensuring delivery deadlines are met, overseeing the stock control of the warehouse, as well as keeping on top of our ERP system.


Paul Bowie

Business Support Manager

IT, Telecoms, Site visits, Advising contractors on best practice and methodology for utilising GreenBlue Urban tree planting systems, and photographing beautiful trees thriving in the ArborSystem around the UK.

Roy Bowie

Managing Director

Roy gained his product knowledge in the warehouse before moving into the Estimating then on to Sales at GreenBlue Urban.

Roy is now the Managing Director where his main roles are to facilitate the UK, Export and North American teams, enhancing the companies growth and continually challenging the status quo.


Shane Frost

Head of Sales

Having worked through all areas of the business over 20 years, Shane now heads up the sales, estimating and technical team with a focus on customer experience and technical excellence.  A passion and strong experience in managing competing challenges in urban environments, Shane supports his team to exploit opportunities across a wide range of challenging projects to improve and enhance areas where we live, work and play whilst meeting and addressing competing structural and engineering requirements

Tamara Witriw

Tamara Witriw

Tamara is a Chartered Accountant and holds a degree in Business Administration. She has more than 15 years of experience working in several finance leadership roles in various industries and latitudes around the world.

Having started her career at PWC, her work experience ranges from big multinational companies to SMEs, working in diverse organisational cultures. She has a round understanding of business drivers and proven record of delivering insightful management financial information helping to define the strategies for sustainable business growth. …”

Finance Director

Zoe Kilbey

Finance Coordinator

Zoe has been a loyal member of the GreenBlue Urban team for fifteen years supporting the continued growth of the business. She handles both the company sales and purchase ledgers as well as our credit control function.