Fiona Geminder

The youngest daughter of late packaging tycoon Richard Pratt, Fiona Geminder owns 40% of plastic packaging business Pact Group with husband Raphael Geminder. Pact went public on the Australian Securities Exchange at the end of 2013. She also has a stake in Visy, the family's Melbourne-headquartered paper packaging and recycling business, along with brother Anthony Pratt and sister Heloise Waislitz, who are also billionaires.