The ECB now has a list of 25 full-time, professional umpires.
ECB umpires’ manager Chris Kelly said: “We have a pool of talented umpires supporting our first-class game and Martin, Nick, Michael and David have earned their promotion following good performances at first-class level.
“They will all bring something different to the game, but superb judgement, excellent player relations, wisdom and common sense are just some of the qualities they share with all the umpires on the Full List.”
R Bailey, N Bainton, M Bodenham, N Cook, N Cowley, B Duddleston, J Evans, S Garrat, M Gough, I Gould, M Harris, P Hartley, J Holder, V Holder, R Illingworth, T Jesty, R Kettleborough, N Llong, J Lloyds, N Mallender, D Millns, T Robinson, G Sharp, J Steele, P Willey.