5) Simon Taufel: Simon Taufel is considered one of the best umpire in the business. He started his career as a medium-fast bowler but suffered a serious back injury leading to his career ending abruptly. soon, took umpiring as another career option. In a short span of time he gained recognition and became the youngest person to have received the ICC's Bronze Bails Award for umpiring 100 ODI.
Taufel has officiated in 74 tests, 174 ODIs and 34 T20s.
Taufel announced his retirement from international cricket after the 2012 ICC World Twenty20 final and is now the Umpire Performance and Training Manager.
6) Rudi Koertzen: Rudi Koertzen had always been a cricket enthusiast and started umpiring in 1981. He has been known for his "slow death" style of indicating the batsman out.
He has officiated in 108 Tests and 206 ODIs along-with 14 T20s. He was also the first umpire to stand in 200 ODIs.