Tim Costello is one of Australia's leading voices on social justice and global poverty and has been instrumental in ensuring these issues are placed on the national and international agenda.

He has travelled the world for work in poverty and emergency relief and led World Vision in Australia for more than 12 years.

World Vision is a charity that fights poverty and injustice. It is the largest charity in Australia and in one year alone it provided emergency relief to 3.2 million people around the world and food relief to 1.2 million. World Vision runs programs to help people in poverty in 61 countries and world wide it has 45,000 employees.

Tim has taken part in national and international debates on social justice issues as diverse as global poverty, gambling, homelessness, reconciliation and substance abuse.

Tim was named in the Australian of the Year awards in 2006 and was awarded an Order of Australia in 2005. His previous bestselling books include Hope, Streets of Hope and Tips from a Travelling Soul Searcher.