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Graham H Stewart

Founder | Consultant

MSc EngTech MICE TIStructE

Linkedin

Industry Involvement

  • IStructE BIM & Computational Design Panels
  • Scottish Futures Trust BIM
    suppliers Group
  • UK BIM Alliance

Employment History

Consultant

Digital Guerrilla

Ramboll UK

Buro Happold

URS (Aecom)

Previous

2025-Current

2017-2025

2012-2017

2008-2011

2000-2008

1987-2000

Education

Middlesex University

Introduction

Graham is a consultant specialising in BIM Strategy & Implementation with 38 years’ experience in AEC including over 25 years’ experience using various BIM platforms. A Technician member of both the Institution of Civil Engineers & the Institution of Structural Engineers with an MSc in BIM Management, based the Glasgow.

In 2017, Graham founded Digital Guerrilla Consultancy Ltd, Scotland’s 1st Digital Information Management Consultancy, with the aim to ensure their client’s use of digital technologies is improved through training, education, and support to gain efficiencies and better business outcomes throughout the design process. Over the past few years, Digital Guerrilla has built up an impressive client base delivering over 150+ courses to over 1500 staff members.
Graham is also an Associate Tutor at BSi delivering their BIM training courses across the UK and a part-time lecture at Glasgow Caledonian & Strathclyde Universities.

Project Experience

Department of Education’s £3bn Offsite Schools framework (£100m+), Information Manager

Appointed as Information Management with Elliot Group Ltd who are currently delivering 6 schools as part of this framework. My role is to ensure the design team understand the Employers Information Requirements and assist with the development of the BIM Execution Plan and other relevant BIM documentation along with Elliots BIM Manager, aswell as validating all design team models, deliverables and COBie Information Exchanges.

Various locations in England, UK

177 Bothwell Street (£80m), Information Manager

Appointed to provide Information Management services which included development of clients Asset Management Strategy including COBie, from RIBA Stage 4 as part of this large commercial project. Services included writing the Asset Information Requirements and BIM Execution Plan, validating all design team models, deliverables and COBie Information Exchanges.

Glasgow, UK

Scottish Governments £1bn Schools for the Future Programme (£100m+), Information Manager

Current appointed as client Information Management with Edinburgh City Council (sub-consultant agreement with Architype) & East Ayrshire Council and currently delivering 6 schools as part of this programme. As Client Information Manager our role is to work with the client to develop their Standard Information Management Plans (SIMP) (as per Scottish Future Trust (SFT) guidance) to fit their requirements. As Project Information Manager with Architype who are also Lead Appointed Party, we have an additional role to ensure the design team understand the SFT SIMP requirements and assist with the development of the BIM Execution Plan and other relevant BIM documentation along with Architype BIM team, aswell as validating all design team models, deliverables and COBie Information Exchanges.

Various locations in Scotland, UK

Kirkstall Forge K3/K4 (£70m), BIM/Information Manager

Appointed to provide Information Management services which included updating of clients Asset Management requirements for COBie and developing the design teams BEP, between RIBA Stages 2-4. Services included writing the BIM Execution Plan, validating all design team models, deliverables and COBie Information Exchanges.

Leeds, UK

Paisley Town Hall Redevelopment (£20m), BIM/Information Manager

Appointed to lead and develop the BIM and Information Management strategy as part of this historic building refurbishment. Services included writing the Employers Information Requirements and BIM Execution Plan, validating all design team models, deliverables and COBie Information Exchanges.

Paisley, UK

Auchmill Housing Development (£9m), BIM/Information Manager

Appointed by the main contractor Ogilvie’s to develop the BIM and Information Management response to the clients Employers Information Requirements. Services included the development of the BIM Execution Plan and other relevant BIM documentation, aswell as validating all design team models, deliverables and COBie Information Exchanges.

Aberdeen, UK

Diana Chirescu

Consultant

ARB, RIBA, RIAS, OAR, M.Arch B.Arch(Hons)

Linkedin

Industry Involvement

  • Digital Construction Week Speaker (2025)
  • BIM in Leicester Speaker
  • BIM Coordinator’s Summit Speaker
  • Women in BIM Mentor
  • BIM Heroes Group Member

Employment History

Architype

Scott Brownrigg

Pattern Architects

AD Architekture-Design

Art Group

2020-Current

2018-2020

2016-2018

2013-2014

2012

Education

University of Edinburgh

University of Liverpool

Birmingham City University

2014-2016

2011-2013

2010-2011

Introduction

Diana joined Digital Guerrilla in 2025 with a wealth of experience as an architect and digital lead at a number of practices. She brings expert knowledge of construction and how BIM can be practically applied to all scales and types of job. She supports the day to day delivery of Information management and contributes to our ever expanding library of guidance and processes.

Project Experience

Led the Information Management role on Maybury Primary School (6000sqm, Passivhaus, ISO19650-2) and Currie High School (12000sqm, Passivhaus, ISO19650-2, LEIP funded) from early stages through to competion, advising the Client and the Design Team on the BIM&IM documentation and collaborating with the consultant that ran the validation process.

Organized and participated in the development of the Standard Information Management Plan for Midlothian Council, developed and implemented their Common Data Environment strategy and set up the BIM documentation for Beeslack High School, the pilot project.

Managed the BIM Coordination process on Maybury Primary School, reducing coordination errors by 70% during RIBA Stage 4.

Developed template documentation and training materials on BIM related subjects (eg. ISO 19650, BIM360, Revit, and OBI, including documentation audits and handover strategy).

Set up and implemented a BIM Review process including model audit tools and software implementation. Led digital delivery and information audits for ISO 19650-aligned workflows.

Stephen Wales

Consultant

BSc

Linkedin

Industry Involvement

  • Glasgow Revit User group

Employment History

STW Designs LTD

City of Glasgow College

Mosaic Architecture

Barr Limited

the Highland Council

Cooper Cromar

Chow:Hill

Cooper Cromar

The Miller Partnership

2012-Current

2018-2024

2015-2016

2010-2011

2009-2010

2008

2007

2005-2006

2000-2005

Education

University of Strathclyde

1997-2000

Introduction

Stephen is one of our specialist consultants and experts in revit and architectual Technology. He has vast experience in both managing complex Architectural jobs and teams of technicians in their technical output. He splits his time between providing training, support, modelling and drafting with his own consultancy and proving extended training through Digital Guerrilla. 

Project Experience

Over the last 20+ years Stephen has worked on a wide variety of project types and sizes, from Sports Stadiums & Large-scale infrastructure projects to bespoke residential developments & small domestic alterations. He is highly skilled in both AutoCAD & Revit and throughout this time has been a strong proponent of the BIM process and the adoption of new technologies.

In 2012 he founded STW Designs Ltd to provide both freelance Architectural services and software training, primarily focused on Autodesk Revit for the Architectural industry. Stephen has been an active member of Glasgow Revit User Group, even being involved with the committee occasionally, and is actively involved within the local Revit & BIM community.

Andrew Waring

Managing Director

ARB Dip.Arch B.Arch(Hons)

Twitter Github Calendar-alt Linkedin

Industry Involvement

  • Uniclass Advisory Working Group
  • Edinburgh Napier Built Environment Advisory Group
  • Scottish Futures Trust BIM Suppliers Group
  • Glasgow Revit User Group
  • Scottish Information Management Working Group
  • Building Smart Technical Forum

Employment History

Digital Guerrilla

Virtual PHi

Holmes Miller

2023-Current

2021-2023

2014-2021

Education

Mackintosh School of Architecture

Regent House Grammar School

2007-2013

2000-2007

Introduction

Andrew is our managing director specialisting in automation, Data analysis and process driven, people first solutions

Having taken over the company in early 2025, Andrew is steering Digital Guerilla Into the future, with forward thinking, innovative solutions to every day problems in construction. 

With a background as a Chartered Architect and having ran both projects and offices digital strategies, Andrew can bridge the gap between cutting edge solutions and real world applications. 

Project Experience

Maybury/Currie Schools (City of Edinburgh Council)

Client information Manager

East End Campus (Dundee City Council)

Client Information Manager

Penicuik High School (Midlothian Council)

Client and Delivery Team Information Manager

Westerhails High School (City of Edinburgh Council)

Contractor Information Manager

Trinity High School (City of Edinburgh Council)

Client, Design Team and Contractor Information Manager

Calton Gaelic School (Glasgow City Council)

Client Information Manager

St Sophias Primary School (East Ayrshire Council)

Client, Design Team and Contractor Information Manager

Stewarton Academy (East Ayrshire Council)

Client and Design Team Information Manager

Lenzie Academy (East Dunbartonshire Council)

Client Information Manager

Park Mains High School (Renfrewshire Council)

Client and Design Team Information Manager

Dargavel Primary School (Renfrewshire Council)

Client and Design Team Information Manager

Peterhead Community Campus (Aberdeenshire Council)

Client and Design Team Information Manager