Malcolm Turnbull, born on October 24, 1954, in Sydney, Australia, is a prominent Australian politician and businessman. He served as the 29th Prime Minister of Australia from 2015 to 2018. Turnbull was also the leader of the Liberal Party of Australia and represented the division of Wentworth in the Australian House of Representatives. Prior to his political career, he achieved success as a lawyer, investment banker, and businessman. Turnbull is known for his progressive views on social issues and his support for environmental sustainability.