Graham Mackay, South African-English businessman (b. 1949)
Ernest Arthur Graham Mackay (26 July 1949 – 18 December 2013) was a South African businessman, former chief executive and chairman of SABMiller plc, a South African multinational brewing and beverage company registered on the London Stock Exchange, and the world's second-largest brewing company measured by revenues. He was succeeded as chief executive of SABMiller by Alan Clark in April 2013.