Mezue ahịrịokwu na-esonụ: N'afọ 2011, Hollermann ghọrọ onye kacha nta na-eme ka ndị otu mba, ma merie nrite ọla edo na 2011 Parapan American Games na Guadalajara, Mexico. N'afọ na-eso ya, o mere egwuregwu Paralympic mbụ ya na
2012 London Paralympics. N'afọ 2014, Mahadum Texas dị na Arlington (UTA) nyere ya agụmakwụkwọ egwuregwu zuru oke ka ọ kpọọ na Lady Movin 'Mavs wheelchair basketball team. O ritere ọla edo ọzọ na 2015 Parapan American Games na Toronto, Canada.