Gretel Packer

Gretel Packer is the elder sister of fellow billionaire James Packer. She became a billionaire after James split their family estate 10 years after the 2005 death of their father, media mogul Kerry Packer.Famously low-profile, she was the driving force behind the establishment of the $160 million National Philanthropic Fund in 2014.The fund is supported by the family's 44%-owned Crown Resorts and the Packer Family Foundation, which she chairs.She is also an arts patron, who sits on the boards of the Art Gallery of New South Wales and the Sydney Theatre Company.