sentences:  In 1955, he became a member of the London Transport Executive, joined the London Transport Board in 1962 and was its vice chairman, 1965–1970 and vice chairman of its successor, the Greater London Council run London Transport Executive from 1970 to 1971.After that, until 1987 he worked as a consultant on underground railway systems around the world, based in London.He became President of the Institute of Transport in 1969.