Kammala jumla mai zuwa: William Cheruiyot Sigei (an haife shi a ranar 11 ga Oktoba 1969 a ƙauyen Cheboi'ngong ', kusa da ƙauyen Kapsimotwo, Bomet, Kenya) tsohon ɗan tseren nesa ne na ƙasar Kenya wanda ya lashe Gasar Cin Kofin Duniya ta IAAF a 1993 kuma
Shekarar 1994. A cikin 1994 ya kafa sabon tarihin duniya sama da mita 10,000 a Oslo tare da minti 26:52.23.