Steve Marshfield

Glencore is an Anglo–Swiss multinational commodity trading and mining company. The current company was created through a merger of Glencore with Xstrata on 2013. As of 2015, it ranked tenth in the Fortune Global 500 list of the world's largest companies.As Glencore International, the company was already one of the world's leading integrated producers and marketers of commodities and the largest company in Switzerland.