Heloise Pratt was born in Melbourne, Australia, Australia. Heloise Pratt is #1142 in List Billionaires People In The World. Heloise Pratt is the sister of Anthony Pratt and Fiona Geminder. The three billionaire siblings hold stakes in the Melbourne family's Visy Asia-Pacific packaging business. Thorney Investments, built with her now-separated husband, Alex Waislitz, holds stakes in more than 20 listed companies, ranging from gas and mining services to renewable energy, biotech and airline bookings. She also owns around 30% of listed investment company Thorney Opportunities and a property portfolio. She oversees the Pratt Foundation's $1 billion fund, which distributes around $20 million annually.