Michael Moss was professor emeritus of archival science at the University of Northumbria, he was previously research professor in archival studies in the Humanities Advanced Technology and Information Institute at the University of Glasgow, where he directed the Information Management and Preservation MSc programme.David Thomas was employed at the UK National Archives for most of his career, acting as Director of Technology from 2005 until his retirement in 2013. Subsequently he was a visiting professor at Northumbria University.