Mezue ahịrịokwu na-esonụ: Leeser nwere ogo nke Bachelor of Arts (Hons.) na Bachelor of Laws site na Mahadum nke New South Wales. Ọ nọdụrụ na Woollahra Council site na 1995 ruo 1999. N'oge ahụ, ọ bụ onye ntorobịa kacha bụrụ onye kansụl obodo n'Ọstrelia. N'afọ 1999 ọ rụrụ ọrụ dịka onye otu nke Praịm Mịnịsta John Howard's "Mba" mkpọsa n'oge
referendum nke mba. N'afọ 2000, ọ bụ onye otu onye ọka ikpe Ian Callinan nke High Court nke Australia.