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Develop Team

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Ian Tuddenham.

Development Director

Ian is an experienced Chartered property professional, with experience of working in most property sectors over the last 27 years. Over the past 15 years, Ian has worked within Project Management and Development Management roles specialising in Primary Care and Mixed-Use Development.

Ian started his career as a Professional Practice Quantity Surveyor, gaining experience across the full range of procurement routes including acting as QS advisor on several large NHS LIFT schemes. 

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Nick Smith (BSc Hons MRICS).

Senior Development Manager

Nick joined gbpartnerships as senior development manager in 2018 and is a member of the Royal Institute of Chartered Surveyors, having qualified in 1996.


He is an experienced property professional having acquisition and disposal, valuation and development experience gained within in mainly client-side roles across the property and finance sectors.

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Darrel Coltrini.
Senior Development Manager

Darrel is a highly experienced Project Director with multi-sector development, project and facilities management expertise.  Darrel is a qualified architect whose career has led him to work in senior project management and delivery roles, where his personable and hands-on management approach has enabled him to successfully deliver a host of projects.

Darrel is gbpartnerships’ Partnership Manager on our Strategic Estates Partnership with the Torbay and South Devon NHS Foundation Trust overseeing a programme of projects and services which enable the Trust to make best use of its property assets.

He has a keen interest in sustainability issues and relishes the opportunity of working with likeminded organisations who have a long-term interest in low-energy, low-carbon solutions.

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Marc Kerridge.
Senior Development Manager

Marc has over 14 years of healthcare related development and project management experience, having successfully delivered a variety of NHS projects including primary care, pathology laboratories and a specialist diagnostic and treatment centre.

Marc is skilled in developing relationships with a wide range of external stakeholders, including public sector organisations responsible for commissioning services and with Local Planning Authorities to deliver the solution that benefits the community as well as the client.

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