Mezue ahịrịokwu na-esonụ: N'ọnwa Machị nke afọ 2000, Bera sonyere na asọmpi asọmpi nke isii nke Asia na Busan, South Korea, wee pụọ na ọlaọcha ọla ọcha na 100 m freestyle na oge nke 51.34, ebe onye ọkacha mmasị ụlọ bụ Kim Min-suk na-agbapụ maka ọla edo. Na 2000 Summer Olympics na Sydney, Bera sonyeere ọzọ na ịgba ọsọ ọsọ abụọ na-agba ọsọ kemgbe ọ lọghachiri na Atlanta. Mgbe ọ gbachitere aha nke atọ n'usoro site na SEA Games, oge ntinye ya nke 23.49 (50 m freestyle) na 51.03 (100 m freestyle) kwadoro n'okpuru ọkọlọtọ FINA B. N'ime
Na 100 m freestyle, Bera tinyere nke iri atọ na asaa n'ụtụtụ ụtụtụ. Na-egwu mmiri na okpomọkụ isii, ọ gafere Yoav Bruck nke Israel iji were ebe nke isii site na otu ụzọ n'ụzọ iri nke abụọ (0.10) na 51.52. Ka ụbọchị abụọ gachara, n'ọsọ 50 m freestyle, Bera gbara ndị ọzọ na-egwu mmiri asaa na okpomọkụ ise, gụnyere onye Bahamas bụ Allan Murray, onye kachasị n'elu 16 na Atlanta afọ anọ gara aga. Ọ bịara na nke atọ na nke iri anọ na abụọ n'ozuzu na 23.54, naanị obere akụkụ nke oge ntinye ya.