BSc MSc MBA DPhil MCIWEM FICE CEng EurIng RoGEP

Dr Stephen Thomas has served as Managing Director of OGI Groundwater Specialists since 1989.

A chartered engineer with over 30 years’ of Groundwater Control & Engineering experience, Stephen is responsible for our major Construction Dewatering and Groundwater Control Projects.  He manages all stages of the Groundwater Control design, from the development of the ground and groundwater models, to the mathematical modelling and the development of the detailed design for construction.

Stephen’s project experience includes the Groundwater Control system installed for London Millennium Bridge, Deephams WwTW in North London, G1 Building in Glasgow, Rolls Royce structures in Derby and numerous other major infrastructure project.

Stephen has been engaged as a groundwater control expert on numerous major projects, including HS2, Crossrail, Thames Tideway Tunnels, Venice Barrier, CTRL, M74 underpass, Raith and the National Grid Humber Gas Crossing.

Stephen is a Registered Ground Engineering Adviser (RoGEP) and is an Honorary Fellow at the University of Durham where he is adviser to the Department of Earth Sciences.

MSci (Hons)

George French is a Groundwater Engineer and Director at OGI Groundwater Specialists Ltd.  He has worked at OGI since 2015, soon after graduating from Durham University, where he achieved a MSci Degree in Geoscience (Geophysics).

George has developed expertise whilst working on major UK construction projects, such as High Speed 2 Railway (HS2), Royton-Oldham Waste Water Treatment Works, and Thames Tideway Tunnel London, for which he won the Northern Geotechnical Group Young Engineers’ Prize.

As part of developing this expertise, he has become an advanced user of commercial modelling software, such as GeoStudio’s SEEP/W and PLAXIS 2D and 3D.  George has also advanced his software development skills by developing OGI’s in-house software products, such as CVM10, a one-dimensional groundwater flow model.

George became a Director of OGI in November 2021 and now helps lead the technical team whilst managing projects and liaising with clients.

BSc (Hons)

James graduated from the University of Durham in 2017 with a BSc in Geology.  That summer he joined OGI Groundwater Specialists on an internship and has since joined the team full-time.

James is involved in all stages of the Groundwater Control design, from reviewing site investigation data and developing conceptual ground models, to developing mathematical models, design specifications and writing reports.

As part of his work James also undertakes high quality research in the areas of Groundwater Control and the strengthening of weak saturated ground.

James became a Director of OGI in November 2021 and now helps lead the technical team whilst managing projects and liaising with clients.

BA (Hons)

Megan joined OGI in 2014 after achieving her BA (Hons) at Lincoln University and works within both the Technical and Marketing Team.

Megan produces many of the technical drawings, presentations and specifications delivered to OGI’s clients.  Megan also undertakes groundwater modelling utilising OGI’s in-house software, together with commercial software such as SEEP/W.

In addition to her technical role, Megan manages the production of OGI’s marketing material and presentations.

Suzanne started her early business experience working in a large organisation, progressing to the running of small business over 35 years ago.   For Suzanne, the standards set in large business have remained an important model in the running of small business.

Suzanne joined OGI in 1994, and in her current role of Business Manager her main responsibilities are financial control, compliance, personnel, contract review and insurances reporting directly to the Managing Director.

Elaine has over 25 years administration experience within the construction industry. Elaine joined OGI in 1999 and is responsible for project invoicing, project related purchasing and document control.  She is also involved in logistics and providing support to the technical team.