Meet the Greencore leadership team

Want to discuss your project with our team? Send us a message and we’ll be happy to help.

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Martin Pike


A maths graduate from Oxford University with 30 years’ experience as a strategic risk consultant to the insurance industry, Martin was also a senior business leader across Europe, Middle East and Africa before deciding to build a portfolio career. Martin brings strategic focus and strong financial disciplines to the business, and provides mentoring and guidance to the team. He is also passionate about the potential of changing the carbon footprint of house-building, and creating a new paradigm of low carbon, low energy housing fit for the 21st century.


Ian Pritchett

Managing Director

A physics graduate from Durham University with over 30 years’ experience in specialist construction (historic building repair and eco-buildings). Ian was managing director of IJP Building Conservation Ltd from 1987 to 2007. This is where Ian developed his love of lime and other natural building materials. Ian was managing director, chairman and technical director of Lime Technology Ltd at various times between 2003 and 2013. During this time he pioneered the use of lime mortars in the new building sector and also developed hemp-lime building systems.

Ian has also been involved in the following voluntary roles:

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Piers Ashley-Carter

Construction Manager

A civil engineer with a background in project management. Piers started his construction career working with Ian at IJP Building Conservation from 1992 to 1994. Over the last 20 years he has worked for Sir Robert McAlpine, L&B Civil Engineering, Wates, and Hemcrete Projects Ltd (a subsidiary of Lime Technology). Piers has worked on numerous prestigious projects such as the New British Library, Croydon Tramlink, Paddington Basin, Royal Chelsea Hospital, M&S Cheshire Oaks, The Science Museum Archive and The Triangle.

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Gary Madgwick

Gary Madgwick

Head of Design

Gary has been involved with Architectural Design and Design/Project Management all his working career including many large commercial, education, retail, healthcare and private residential projects ranging from £100k to £115 million. During the last 10 years, he has become increasing concerned with the poor standard of construction and construction legislation in the UK, particularly around the sustainable issues. He has designed many buildings around the country including Passivhaus Schools, highly complex and technical medical projects where he introduced new and innovative construction methods and designs.

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Rob Bresnahan

Rob Bresnahan

Factory Manager

Rob has a proven track record in production and process management having previously run the factory for Stewart Milne Timber Systems. Rob has been working with offsite manufactured lime-hemp panels for the last five years. During that time, he has refined the manufacturing processes and introduced a strong Quality Assurance culture. The factory runs like a well-oiled machine under Rob’s leadership.

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Matt Price

Commercial Manager

Matt has spent 10 years in the timber framing industry with both Stewart Milne Timber Systems and Sylva Group. As well as timber frame design, Matt has experience of design management, project management and cost control. Matt runs the commercial side of the business.

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Architectural services

We work with a number of associates providing design and architectural services. If you’d like us to consider your services on a project, please get in touch.

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