Kammala jumlar da ke gaba: Ya zama alkalin wasa na ICC na cikakken lokaci a 1997, kuma yana daya daga cikin membobin farko na Elite Panel of ICC Umpires lokacin da aka kafa shi a 2002. Ya ci gaba da yin hukunci a rikodin 209 ODIs - ya zama na biyu (bayan David Shepherd) don tsayawa a 150 ODIs tare da wasan tsakanin Indiya da Pakistan a Abu Dhabi a ranar 19 ga Afrilu 2006, ya zarce rikodin Shepherd na 172 ODIs tare da
Wasan gasar cin kofin duniya tsakanin West Indies da Ingila a Barbados a ranar 21 ga Afrilu 2007, kuma yana tsaye a wasan ODI na 200 tare da wasan tsakanin Ireland da Kenya a Dublin a ranar 11 ga Yuli 2009. Ya kuma zama alkalin wasa na biyu, bayan Steve Bucknor, don tsayawa a wasannin gwaji 100 tare da gwaji na biyu na Ashes na 2009 tsakanin Ingila da Ostiraliya a Lord's a ranar 16 ga Yuli 2009, kuma a ƙarshe ya yi hukunci a cikin gwaje-gwaje 108.