Key Staff


James Jobling Purser - Managing Director

James created his first business in remote surveying in 2007 and soon after developed 3DMSI to offer a more comprehensive range of 3D surveying services. James has applied his skills to lead the field in modelling 3D survey information and successfully manage projects for multiple stakeholders in a number of industry sectors. His strong research background has enabled James to take a pioneering approach to problem solving through intelligent use of 3D geospatial data. He has experience in major projects in the UK, South Africa, Tanzania, Mexico, USA and Qatar. 


Marcus May - Digital 3D Specialist

Marcus has a BA with Honours in Creative Contemporary Practices in Art, a HNC and HND in Games Design for Industry, as well as a Level 3 Extended Diploma in Creative Media Production. His education has given him knowledge and experience in the digital and virtual world. Marcus works in the modelling, animation and rendering process sections across a wide variety of our projects within Autodesk Revit, AutoCAD and 3ds Max.


Ollie Graffy - Naval Architect

Ollie has a degree in Marine Technology from Plymouth University. He is a qualified Naval Architect and is a member of the Royal Institute of Naval Architects. Involved in boats from a young age within a family business in Cornwall he now has a wide range of experience from working in various boat yards and with production yacht builders. A keen sailor he worked as paid crew on racing yachts and crossed the Atlantic on his own small yacht. Ollie has been employed by the company to seek out diverse maritime projects for our advanced surveying equipment on marine structures, commercial vessels and small yachts.


Keri Parkinson - Architectural Technician and Building Surveyor

Keri has a degree in Architectural Technology and the Environment from Plymouth University and an MSc in Sustainable Heritage from The Bartlett, London.  After graduating, Keri was involved with the conservation and repair of Eton College Chapel and from then Keri’s passion for historic masonry has continued to grow. She had spent most of her career working on historic projects to include prestigious schools, private and public sector infrastructure and Churches. Keri sits on the board of Trustees for The Cornwall Building Preservation Trust and is currently completing her APC, which will lead to an accreditation in Building Surveying by the Royal Institute of Chartered Surveyors. 


Nigel Hewitt - Strategic Development Manager

Nigel trained and qualified as a Mining Engineer and as a Geo-technical specialist at the world renowned Camborne School of Mines in Cornwall. Following a career in Mining and Mine financial planning in countries in Southern Africa, he returned to London to take a position analysing and investing in worldwide Mining Companies. In 1992 he took the opportunity to return to Cornwall to be involved in the management of major economic regeneration projects in The Duchy, including projects in the Environmental, commercial retail and Higher Education sectors. After concluding the coordination of the major phases of The Combined Universities in Cornwall project in 2012, Nigel joined 3DMSI. He now takes a leading role in maintaining a competent head office environment for 3DMSI with the flexibility of being able to supplement the surveying capacity where required.