Mezue ahịrịokwu na-esonụ: Berra gbara egwuregwu mbụ ya na 2003<unk>04 na National League B (NLB) maka GCK Lions, na afọ abụọ mgbe e mesịrị, ọ gbara egwuregwu mbụ ya na National League A (NLA) na ZSC Lions. Ọ dọtara uche nke St. Louis Blues n'oge 2006 World Junior Ice Hockey Championship, ndị otu ahụ họọrọ ya na nke anọ ha, 106th n'ozuzu, na
2006 National Hockey League (NHL) Entry Draft. Berra họọrọ ịnọ na Switzerland ebe ọ bụ onye na-eche nche azụ maka ọdụm, SCL Tigers na HC Davos. Ọ bụ onye otu HC Davos 'Swiss championship team na 2009.