45 year old David Williams from West Sussex has been on the national list since 2008 since taking up refereeing back in 1981.
During the day he swaps the black refs kit for a police uniform having spending 15 years in the force.
This season he has took charge of 17 games, issuing 64 Yellow cards and 6 red, 4 of the reds coming in the last 4 games.
His last game was Swindon v Doncaster last Saturday, which ended 1 all and 3 yellows dished out.
His last game involving the Millers was this same fixture last season, which the Millers won 2-1 with goals from Ben Pringle and the on-loan Sam Hoskins.
Assisting him will be David Margetts from Essex and David Rock from Hertfordshire on the lines while Mathew Buonassisi from Northamptonshire will be the 4th official.