Kammala jumla mai zuwa: Kungiyar 'yan matan Kenya ta yi amfani da Okumu a matsayin wani ɓangare na ma'aikatan horar da su a gasar
2006 da 2010 FIVB Volleyball Women's World Championships, da kuma a cikin 2011 da 2015 FIVB Volleyball Women's World Cups.