Using research from GlobalData’s Influencer platform, Designbuild Network has named ten of the most influential people in digital construction on Twitter during Q4 2020.

Biggest influencers in digital construction: The top ten in Q4 2020

1. David Barco (@qbimgest)

David Barco is the CTO and consulting technical director of Berrilan BIM, a Spain-based construction and design company providing building information modelling (BIM) services. He specialises in training development and execution in BIM settings, with expertise in BIM project technical assistance.

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Barco is also an author and podcaster of the Shared Coordinates podcast that focuses on the application of technologies in the architecture, engineering and construction (AEC) industry.

Twitter followers: 4,765

GlobalData influencer score: 100

2. Ralph Montague (@ralph_arcdox)

Ralph Montague is the co-founder and director of ARCDOX, a consultancy providing professionally managed BIM services to the construction industry. His areas of expertise include design, architecture, BIM, project management, and business development.

Montague is also the board member of the National BIM Council in Ireland and chair of the Irish BIM National Mirror Committee technical expert group, which focuses on the development of European BIM standards.

Twitter followers: 5,585

GlobalData influencer score: 90

3. Peggy Smedley (@ConnectedWMag)

Peggy Smedley is the president and editorial director of Speciality Publishing Media, a multimedia house which specialises in construction technology and the Internet of Things (IoT). Smedley has more than two and a half decades of experience in construction, sustainability, infrastructure, and digital transformation.

Smedley is also a board of advisors member at RevTwo and New Urbana, and the ITA internet of things council member that embraces IoT innovation and adoption in Chicago and throughout the Midwest.

Twitter followers: 29,638

GlobalData influencer score: 87

4. Ignasi Perez Arnal (@iperezarnal)

Ignasi Perez Arnal is the congress director at REBUILD, a space for learning latest construction trends. He has extensive experience in creating, developing, and globalising products and services used in sustainable urban planning, construction, and industrialised architecture.

Arnal is also the founder, partner and chief business development officer (CBDO) of BIM Academy Spain.

Twitter followers: 5,916

GlobalData influencer score: 78

5. Paul Alexander Brown (@BIMCAEIcepick)

Paul Alexander Brown is the digital design consultant and director at Groomlake Design in London, the UK. He has over two decades of experience in design management and delivery of assets in the rapid transit industry.

Brown is a practitioner and trainer of top companies such as Adobe, Autodesk, Bentley, Dassault Systèmes, Trimble, and many other 3rd specialist BIM design, data management, validation, planning and communication tools.

Twitter followers: 8,162

GlobalData influencer score: 78

6. Paul Wilkinson (@EEPaul)

Paul Wilkinson is the managing director at, a consultancy providing public relations and marketing services to architecture and construction businesses. Wilkinson specialises in SaaS, analysis, collaborative technologies, and the B2B work on UK’s architectural, engineering, and the construction industry, and laterally the IT sector.

Wilkinson is also the editor of Extranet Evolution, a website that tracks information and news in the construction collaboration technology sector.

Twitter followers: 14,121

GlobalData influencer score: 70

7. Su Butcher (@SuButcher)

Su Butcher is the director of Just Practising, a company providing strategic digital marketing and business development services to construction product manufacturers and trade associations. She is a social strategist, who uses her architectural knowledge to help construction businesses utilise social and digital media.

Butcher is also the chair of product data working group at UK BIM Alliance, where she supports the group’s internal and external communications.

Twitter followers: 23,520

GlobalData influencer score: 69

8. Javier Alonso Madrid (@javieralonsomad)

Javier Alonso Madrid is the CEO of TOUNGA, a Madrid-based architecture and planning company. He specialises in new construction, urban planning, interiors, reforms, BIM management, and project management.

Madrid is also the CEO and architect at ATANGA sist y svcios, a company which builds residential and commercial projects.

Twitter followers: 3,538

GlobalData influencer score: 65

9. Pam Bhandal (@pambhandal)

Pam Bhandal is the founder and director of PB Marketing Consultants. She is a freelance marketing consultant who has worked with many companies in and outside the architecture, engineering, construction, and operations (AECO) or built industry.

Bhandal also works as director of BIM Regions UK, is a member of Women in BIM and National Association of Women in Construction (NAWIC), and is on the executive team of the UK BIM Alliance.

Twitter followers: 3,038

GlobalData influencer score: 64

10. Duncan Reed (@djhreed67)

Duncan Reed is the digital construction process manager at Trimble, a company providing digital services to construction, agriculture, and transportation sectors. He implements digital transformation within businesses and ensures that customers get the best of their BIM tools.

Reed is also the chair of thinkBIM, a BIM knowledge exchange network that promotes the use of BIM as an impetus for collaborative working in the construction sector.

Twitter followers: 3,944

GlobalData influencer score: 60


GlobalData’s influencer identification framework identifies influencers based on relevance; size of network, connections and followers; engagement levels with their content and analysis and input from sector experts. Influencers are then evaluated on a series of specific topic-related keywords used over the period and weighted by engagement metrics.