· Emeritus Professor Of Computer Systems, University of Kent2020–
· Head Of School Of Computing, University of Kent2016–2020
· Associate Dean For Research And Enterprise (Sciences Faculty), University of Kent2011–2016
· Professor Of Computer Systems, University of Kent2010–2020
· Distinguished Scientist, ACM2006–
· Reader In Computer Systems, University of Kent2006–2010
· Honorary Fellow, University of Glasgow2005–
· Coordinator, MMnet (Current)2001–
· MSc, Computer Science, University of Kent1984–1985
· M.A., Mathematics, University of Oxford1972–1976