Net Worth: $135 Million
Bill McDonald, who is good at hiding from the spotlight, started making his millions through a Civil, construction and mining services company, MCG Holdings, which he established 10 years ago.Wanting his own mines, Bill went on to start up his next venture, Jingella resources. A subsidiary company that develops exploration leases. He then went on to borrow $360 million to buy a coalfield in Queensland. The Coalfield provided Bill with a few bumps in the road to begin with however it is now back on track earning him a place on our list!