Nyorai kuenderera mberi kweiyi ndima - Herdman aive murairidzi mukuru wechikwata chenyika cheNew Zealand chevakadzi venhabvu kubva muna 2006 kusvika muna 2011. Paakasvika muNew Zealand uye akabatana nehurongwa hwenyika hwekubatana nhabvu muna 2003, akatanga kushanda saMurairidzi weDzidzo uye gare gare saMutungamiriri weFootball Development. Achishanda nechikwata chenyika chevakadzi, akatungamira timu yeU-20 kuenda kuWorld Championship muna 2006 uye yakazotumidzwa zita rekuti U-20 World Cup muna 2010.
. Akatungamirirawo chikwata chevakuru kuFIFA Women's World Cups muna 2007 na2011 pamwe ne2008 Summer Olympics muBeijing.