<prompt> Qedela lo musho olandelayo: UGeiger waqala ukuba unompempe ngo-1988. Waba yi-United States Soccer Federation National Referee ngo-2003 futhi wasebenza eMajor League Soccer kusukela ngo-2004 kuya ku-2018. Ube ngumahluleli emidlalweni ye-CONCACAF selokhu aba ngumahluleli we-FIFA ngo-2008, futhi usehlulele iGold Cup neminye imincintiswano nemidlalo yamazwe omhlaba. UGeiger wakhethwa ukuba  <response>: I-CONCACAF U-20 Championship ngo-2011, lapho ahlulela khona umdlalo wokugcina. 