Malcolm Turnbull Australia has its fifth prime minister in eight years after the ruling Liberal Party voted out Tony Abbott in favour of longtime rival Malcolm Turnbull 1954: Turnbull born in Sydney 1973-80: Studies law at University of Sydney and Oxford University 1980s: Defends former British spy Peter Wright in ÒSpycatcherÓ case 1990s: Co-founds OzEmail Ð one of AustraliaÕs biggest internet service providers at that time 2004: Elected as MP for seat in Sydney suburb of Wentworth, where he still lives with wife Lucy Hughes Ð first female Lord Mayor of Sydney. Serves as environment minister in John HowardÕs government 2008: Elected Liberal party leader while in opposition 2009: Loses leadership challenge to Abbott by single vote Sep 14, 2015: Resigns as communications minister. Defeats Abbott in leadership ballot Ð will be AustraliaÕs 29th prime minister Picture: Getty Images