The British Geotechnical Association (BGA) is the principal
association for geotechnical engineers in the United Kingdom.

Former BGA Chair Professor Stephan Jefferis elected to the Fellowship of the Royal Academy of Engineering (FREng)

Former BGA Chair Professor Stephan Jefferis elected to the Fellowship of the Royal Academy of Engineering (FREng)

Former BGA Chair Professor Stephan Jefferis elected to the Fellowship of the Royal Academy of Engineering (FREng)

Congratulations to former BGA Chair Professor Stephan Jefferis on his election to the Fellowship of the Royal Academy of Engineering (FREng)

Professor Stephan Jefferis is a director of Environmental Geotechnics Ltd, a company he established in 1982 anticipating developments in this area. He is a Visiting Professor in the Department of Engineering Science at the University of Oxford.


He is a former Chairman of the BGA and was the 60th Rankine Lecturer, presenting in March 2022 on The Unusual and the Unexpected in Geotechnical Engineering: Observation – Analogy – Experiment.

Stephan was a founder director of WJ Groundwater, and has worked on major projects across the World including dams, tunnels, shafts and deep foundations. He has over 45 years experience in the investigation and resolution of unusual and unexpected geotechnical problems, often associated with natural chemical and microbiological processes. He has worked on geotechnical processes including fluid supported excavation for decades and is co-author of the book Polymer Support Fluids in Civil Engineering.

The full list of new Fellows of the Royal Academy of Engineering can be viewed HERE.

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