 Nissen akakunda mumwe mutambo weWorld Cup, paMont Gabriel muna 2006, uye akaiswa pachikumbaridzo pane mimwe mitambo gumi. Mwaka wake wakabudirira zvikuru wakauya muna 2006, paakaisa 2nd zvachose muWorld Cup standings, shure kwaDmitri Dashinski. Nissen akaratidza zvakanakisisa paWorld Championships muna 2005, paakapedza ari wechishanu, zvakare ari shure kwaDashinski. 