Our Experts

John Smith

Head of Product and Innovation

OUR TEAM John SmithJohn is responsible for product specification across all our product ranges, along with new product introductions, ensuring their suitability to the customer and internally right through; health and safety, technical, manufacturing, commercial and site practicalities along with ensuring a sustainable supply chain is in place.

John brings a wealth of technical and practical experience to this exciting role within the business, along with a real drive and focus on customer centricity.

Stewart Dalgarno

Director of Product Development

OUR TEAM Stewart DalgarnoStewart has spent close to 30 years working for Stewart Milne Group, progressing to Managing Director of their timber frame operations. His current role is responsible for all product and process development across the group, as well as chairing the group design and technical forums within Stewart Milne Homes.

During 2007 Stewart was the project director of the ground breaking and award winning prototype Sigma® Level 5, near zero carbon Home, the first in the UK. His current role sees Stewart focusing on the development of the group’s award winning Sigma® II Build System and the advancement of the group’s off-site manufacturing and on-site assembly strategies.

Most recently Stewart was instrumental in bringing together and leading the triple award winning AIMC4 consortium. This is a collaborative R&D project, to deliver affordable mainstream Level 4 homes, through a fabric first approach. This leading edge project secured £3.25m of innovation funding from Government and is widely regarded as an industry exemplar project.

Stewart is a past chairman and director of UKTFA (UK Timber Frame Association). He is a member of the HBF sustainability group, member of Construction Scotland Industry Leadership Group, and a steering group member of the DCLG/ZCH design versus as built performance project. More recently Stewart was a participant on the reconvened Sullivan Expert Panel in Scotland. He has a master’s degree in project management, lives in Oxfordshire and is a keen golfer.

Simon Horn

Technical Manager - England & Wales

OUR TEAM Simon HornSimon joined Stewart Milne Timber Systems in 2010 and has specialised in timber frame design and construction for the past 28 years. Simon has extensive experience achieved working within architectural private practice; national house builder architects department and specialist timber frame manufacturing companies. His construction knowledge and skills position him well for providing Stewart Milne with innovative solutions in an ever changing marketplace both technically and professionally.

David Nimmo

Technical Director

OUR TEAM David NimmoHaving served an apprenticeship in joinery and then graduating with an Honours Degree in Building Engineering & Management, David joined Timber Systems in 1997. 

He has since focused his career in Timber Frame technology. In that time he’s assisted many of our clients’ projects across the UK through his project management, commercial and timber frame technical expertise.

David joined the Board in October 2007.

Frank Strachan

Technical Manager

OUR TEAM Frank StrachanFrank began his career in civil and structural engineering before joining Stewart Milne Timber Systems.

His role in leading the design and technical teams involves engaging with clients to value engineer projects, manage our design lab and deliver robust design guidance.

Frank was key in the setup of our design lab in Witney where he worked for 5 years.

Debi Lama

National Account Manager

OUR TEAM Debi LamaDebi has over 15 years experience in the house building industry and has been in her current role since 2005.

Debi has a strong technical knowledge and an excellent understanding of the complete timber frame process.

News and Media

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Jun 19, 2019

News archiveHow offsite construction can help solve the housing crisis

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Jun 17, 2019

News archiveLarkhill Housing Scheme: Radical Collaboration

As part of Lovell’s regeneration development, they… find out more

May 28, 2019

News archiveStakeholders hear how AIMCH project will revolutionise how homes are built

Industry leaders and stakeholders joined together … find out more


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Homes For Scotland Home Builders Federation National House-Building Council Royal Institute of British Architects Structural Timber Association Constructionline British Board of Agrement Wood Campus Build Off Site Building Research Establishment WOOD FOR GOOD

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