Andrew Stewart MacKenzie is a Scottish businessman, currently Chief Executive Officer (CEO) of BHP Billiton, the world's largest mining company. He succeeded Marius Kloppers as the CEO on 10 May 2013.
BHP Billiton is an Anglo-Australian multinational mining, metals and petroleum company headquartered in Melbourne, Australia. It is the world's largest mining company measured by 2013 revenues. It was created in 2001 through the merger of the Australian Broken Hill Proprietary Company Limited (BHP) and the Anglo–Dutch Billiton plc. The result is a dual-listed company. The Australia-registered BHP Billiton Limited, which has equal financial share in the company, has a primary listing on the Australian Securities Exchange and is the largest company in Australia measured by market capitalisation. The UK-registered BHP Billiton Plc has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index.