Tim Costello, Australian minister and politician

Timothy Ewen Costello AO (born 4 March 1955) is an Australian Baptist minister who was the Chief Executive Officer and Chief Advocate of World Vision Australia. Costello worked as a lawyer and served as mayor of St Kilda. He has authored a number of books on faith and life. A National Trust poll in 2014 elected him one of Australia's 100 national living treasures.