Mezue ahịrịokwu na-esonụ: Ọ ghọrọ onye ọka ikpe ICC oge niile na 1997, ma bụrụ otu n'ime ndị otu mbụ nke Elite Panel of ICC Umpires mgbe e guzobere ya na 2002. Ọ gara n'ihu na-ekpe ikpe na ndekọ 209 ODI - na-aghọ onye ikpe nke abụọ (mgbe David Shepherd) iguzo na 150 ODI na egwuregwu n'etiti India na Pakistan na Abu Dhabi na 19 Eprel 2006, na-akarị ndekọ Shepherd nke 172 ODI na
Egwuregwu iko mba ụwa n'etiti West Indies na England na Barbados na 21 Eprel 2007, na iguzo na 200th ODI ya na egwuregwu n'etiti Ireland na Kenya na Dublin na 11 Julaị 2009. Ọ ghọkwara onye ọka ikpe nke abụọ, mgbe Steve Bucknor, guzo na egwuregwu 100 na ule nke abụọ nke Ashes 2009 n'etiti England na Australia na Onyenwe anyị na 16 Julaị 2009, ma mesịa kpezie na 108 ule.