Chartered electrical engineer, 1966. Aircraft instrumentation engineer Civil Service, Salisbury, Wiltshire, 1954-1957. Nuclear instrumentation design engineer United Kingdom Atomic Research Authority, Aldermaston, Berkshire, 1957-1964.
Satellite systems design engineer European Space Agency, Noordwijk, The Netherlands, 1964-1978, head design and development ground data handling and testing systems, since 1978. Patentee nuclear instruments.