7. Ivan Glasenberg
Net Worth: $5.1 billion
Source of Wealth: Mining
Ivan Glasenberg is the chief executive officer of Glencore, one of the world’s largest commodity trading and mining companies. Glasenberg is a South African-Australian-Israeli triple citizen; he became a Swiss citizen in 2011. Glasenberg has been a champion race-walker for both South Africa and Israel; he runs and swims daily to maintain his fitness. He is also on the boards of mining companies Xstrata plc and Minara Resources Ltd.
6. Thomas Schmidheiny
Net Worth: $5.5 billion
Source of Wealth: Cement
Thomas Schmidheiny is a Swiss entrepreneur, former chairman of Holcim, the cement manufacturer. He is listed by Forbes magazine as the 285th richest person in the world as of 2015, when his net worth was estimated at $5.0 billion. Currently, he is the sixth richest in Switzerland with a net worth of $5.5 billion.