Another Evraz board member is James W. Campbell , the chairman of Australia's Minara Resources --a company founded by Andrew Forrest, a member on our list of Australia and New Zealand's richest men.

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Instead, four of the top five slots were occupied by people who made their money from the mining boom - Ivan Glasenberg, Andrew Forrest, Clive Palmer, and, at the very top, Gina Rinehart, Australia's first lady of iron ore.

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Besides Branson (along with his wife, Joan), Pinchuk and Tan, the new Pledgers are: Andrew and Nicola Forrest (Australia), Patrice and Precious Motsepe (South Africa), Hasso Plattner (Germany), Vladimir Potanin (Russia), Azim Premji (India) and John Caudwell, Chris and Jamie Cooper-Hohn, Mo Ibrahim, David Sainsbury (all from the U.K).

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