billionaire

Melinda Gates and MacKenzie Scott have joined forces to donate $US40 million to four organisations that promote gender equality.

US dating app Bumble has gone public in a wildly successful IPO, valuing the business at some US$13 billion ($16.8 billion).

MacKenzie Scott, the ex-wife of Jeff Bezos, is the world’s 18th richest person and has seen her wealth climb by $US23.6 billion this year.

Spanish billionaire Rosalia Mera, co-founder of fashion giant Zara and reportedly the world’s richest self-made woman, has died at 69 years of age.