JOHANNESBURG (miningweekly.com) - Andrew Mackenzie, a former Rio Tinto executive, has started as group executive and CE of nonferrous minerals at BHP Billiton, the world’s biggest diversified miner said on Monday.

Mackenzie was previously CE of diamonds and industrial materials at Rio Tinto, which BHP Billiton has offered to buy.

The position of CE of nonferrous materials was left empty when Marius Kloppers became the CEO of BHP Billiton.

Mackenzie will be based in London.

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