The committee comprises a Chairman, Vice-Chairman, two Representatives of the Institution of Civil Engineers, nine Elected Members and one representative of each of the Geological Society of London (Geol Soc), the Institute of Materials, Minerals and Mining (IOM3), the British Tunnelling Society (BTS). Additional committee members may be coopted for periods of up to three years for the purpose of carrying out specific tasks. There are also three honorary officers (Secretary, Treasurer and Publicity Officer) who are not entitled to vote and who are not trustees of the charity.
The current committee members are:
National Committee of the British Geotechnical Association