Geoffrey is the former Senior Partner of Consulting Mechanical and Electrical Engineers BHA Cromwell House. The software and cartographical side of the firm's work continues at http://www.bhacromwell.co.uk (linked here).
After his early career in aerospace and nuclear energy, Geoffrey entered private practice in association with the late Leslie Heap and Gerald Lewis of Heap and Digby, Consulting Engineers, in 1969. While with them he designed water and sewage equipment and also the bascule moving machinery for the Lowestoft Bridge, in Suffolk. He practised also as Beresford Hartwell and Associates and, in 1971 established a separate office in Wallington, South London.
Notable projects included a computer based radio telemetry and control system for the water supply around Ipswich (later the Anglian Water Authority), sewage works at Ulu Pandan, Singapore, a tide-following roll-on, roll-off ferry berth at Yarmouth, I.O.W., and the modernisation of The Tower Bridge, London.
In parallel with his design career, Geoffrey was first appointed as arbitrator in 1972 and his first foreign arbitration, an ICC appointment in Switzerland, took place later that year.
In 1984 the firm moved to Cromwell House in Walington and in 1996 became a partnership in the name of BHA Cromwell House
Geoffrey studied Law to Intermediate level and then transferred to the examinations of the Institute of Arbitrators (now Chartered) of which he became Chairman in 1996-1997 and for whom he taught in various countries on several courses, including the prestigious Diploma in International Commercial Arbitration.
He served also as President of the Society of Construction Arbitrators from 1997 to 2001.
He is Visiting Professor of Arbitration Law in the Department of Advanced Technology at the University of South Wales and was formerly External Professor in the Law School when the University was University of Glamorgan.