Dee ihe ọzọ n'isiokwu a - N'afọ 1950 Pellissard nọgidere na-enwe aha ya na Europe n'elu ikpo okwu mita 10
O nwetakwara nrite ọlaọcha n'ọsọ mita atọ. Na 1952 na 1956 Summer Olympics, Pellissard kwụsịrị nke anọ na nke ọ bụla n'ime 3-mita springboard finals na nke asaa na nke abụọ nke 10-mita ikpo okwu finals. Na 1960 Summer Olympics, ọ kwụsịrị na 7th na 10 mita ikpo okwu, na 3-mita springboard ọ kwụsịrị na 9th na nke a bụ oge mbụ ọ na-erughị eru maka Olympic ikpeazụ.