Studied archaeology at Reading University and has since worked as a professional archaeologist, in commercial archaeology, for English Heritage, for the BBC and as an independent. Elected a fellow of the Society of Antiquaries of London in 1992 and is being awarded an honorary doctorate. Has been involved in teaching and outreach projects, lecturing widely in continuing education, to groups and societies and to special interest tour companies. A career in broadcasting involved researching and presenting Meet the Ancestors and Blood of the Vikings for BBC2, and Mapping the Town for Radio 4. Author of a number of English Heritage publications on Stonehenge, including the previous and current guide books to the monument and landscape. Guest curator of Wish you were here, an exhibition of his own extensive collection of 'Stonehengiana' which is currently on display at the new Stonehenge Visitor Centre. Also curated an exhibition for the Ludwig Boltzmann Institute in Vienna, in 2016.