Meet Our Team

John Judge

Managing Director

John Judge established Judge 3D in 2005 so John and other like-minded senior commercial experts could provide a disciplined approach to commercial management and particularly help clients and tier 1 contractors and consultants resolve their commercial challenges.

As an ex Director of the engineering consultancy Mott MacDonald and formally a senior manager within a number of tier 1 contractors, John brings a strength and depth of industry knowledge and commercial acumen, which has been the bedrock of his success.

John’s international experience in Europe, Asia, Africa and the United States allows him to draw upon a wide spectrum of experience. His proven record of supporting delivery through disciplined commercial management, often in extremely challenging environments.

Bob Downie

Programme & Quality Manager

A Programme Manager with over 26 years experience in the implementation and maintenance of quality and configuration management system.

Bob's history has been within the Transportation, Defence and Law Enforcement sectors for Lockheed Martin, UK.

Steve Johnson


Steve is Judge 3D's Director for the UK Northern region. He has over 40 years’ experience in major infrastructure projects, working with contractor, consultant and client roles.

Formerly Group Commercial Director of WS Atkins plc and statutory direct of 56 of its operating companies. Atkins is one of the world’s largest infrastructure design consultants. In that capacity he was responsible for the functional commercial activities, insurances, PI claims and risk management of all businesses in all geographic regions.

Previously a Partner with EC Harris, Steve was seconded to Network Rail on the West Coast Route Modernisation programme’s northern region with budgetary responsibility for the procurement and delivery of £1.2bn.

Steve has extensive experience in dispute resolution and is a champion of collaborative working and dispute avoidance.

John Chalmers


John has over 30 years’ experience in the UK and Overseas markets. His experience of resolving substantial claims in rail transport infrastructure, nuclear new build, nuclear Trident submarine facilities and large scale building projects on the first and second phase of the Canary Wharf Development. Extensive experience in a number of contract types, liaising with legal representatives and stakeholders in the non-contentious settlement of claims in civil engineering, building works in shell & core and fit out, electrical works and rail infrastructure. Settling large scale 'claims' from contractors, where resolution resolved the ongoing delivery of large scale rail and nuclear facilities projects ranging in value from £10 to £150m.

Mary Morahan

Business & Operations Director

Mary is the co-founder of Judge 3D with 18 years experience within the Inland Revenue and Banking.

Mary manages and controls all back office functions on behalf of the business through a dedicated team and external suppliers.

If you have a problem or would like to know more about us, then please get in touch. Full details are below.


+44 (0)1480 211080

Judge 3D Limited
Unit 6, Spencer Close,
19 Howard Road
St Neots PE19 8ET
United Kingdom