|David Harrison was awarded a First Class Honours degree in engineering and subsequently completed a PhD at Cambridge in 1978 "corrugation of railway rails". For nearly 20 years he acted as a senior mechanical engineer and consultant to BP Research at Sunbury developing improvements to valve systems, acoustic emission valve leak detection and erosion resistant valve coatings.
David has a number of patents and has published 18 papers internationally relating to mechanical integrity particularly concerned with the offshore oil and gas industry. Most recently as a senior consultant to Neale Consultant Engineers, he has investigated tribological component and system failures.
David is presently involved as an expert witness and has lectured on the Neale Consulting Engineers Tribology of Machines course.