John Andrew Henry Forrest (born 1961), better known as Andrew Forrest or by his nickname Twiggy Forrest, is a Western Australian mining magnate currently a non-executive chairman and previously the chief executive officer of Fortescue Metals Group (FMG).With an assessed net worth of A$2.83 billion in 2015, Forrest is ranked within the top ten richest Australians according to the BRW magazine; having been the richest person in Australia during 2008.