Whakakiia te rerenga e whai ake nei: Kei a Leeser nga tohu Bachelor of Arts (Hons.) me te Bachelor of Laws mai i te Whare Wananga o New South Wales. I noho ia ki te Kaunihera o Woollahra mai i te 1995 ki te 1999. I taua wa, ko ia te kaunihera iti rawa i tohua i Ahitereiria. I te tau 1999 i mahi ia hei mema o te Pirimia Pirimia John Howard's "No" pakanga i te wa o te
pōtitanga tūmatanui. I te tau 2000, he hoa ia ki a Justice Ian Callinan o te Kooti Nui o Ahitereiria.