Sam Kroonenburg built a company from his bedroom, with him and his brother Ryan both making about $500 million. But Sam, 40, is doing what he can to avoid the trappings of wealth. Further reading: Aussie who sold cloud start-up for $2b jumps on AI for ads Young Rich Lister says more founders...

After deciding working at Legal Aid wasn’t the career for him, Kerry Harmanis applied to an art school. He was rejected and turned to prospecting in WA. It was a journey that led to the $3.1 billion sale of Jubilee Mines right as nickel prices peaked. See omnystudio.com/listener for privacy...

Paul Blackburne built a property company that in 2016 land him on the Financial Review Rich List with an estimated $536 million fortune. He’s also seen other people make lots of money and says there’s a success trap entrepreneurs need to be mindful of.   See omnystudio.com/listener for privacy...