Anthony Pratt

Pratt is the executive chairman of Australia's biggest private company, Visy Asia-Pacific, a packaging and recycling business.The company was set up by his grandfather in 1948 in Melbourne and expanded by his late father, Richard.He also owns Atlanta's Pratt Industries, the biggest U.S. manufacturer of corrugated cardboard.His sisters Heloise Pratt and Fiona Geminder also hold stakes in Visy and are fellow billionaires.