Mr Allison's 44-year agribusiness career spans technical, manufacturing, supply and distribution roles and businesses. Previous roles include Managing Director/CEO of GrainGrowers Limited, Jeminex Limited, Farmoz Pty Ltd, Wesfarmers Landmark Limited, Wesfarmers CSBP Limited, CropCare Australasia Pty Ltd and General Manager of Incitec Fertilisers. Mr Allison is currently Chair of the Agriculture and Natural Resources End User Advisory Board of the SmartSat CRC, the Agrifood and Wine Advisory Board of the University of Adelaide, and a member of the Rabobank Food and Agriculture Advisory Board. He is the former Chair of Agribusiness Australia, AuctionsPlus, CropLife, Agsafe, the APVMA, as well as a number of other agricultural and industrial and safety businesses. Mr Allison oversaw the development and implementation of the four Elders' Eight Point Plans from 2014. This strategic plan returned the company to a pure play agribusiness and resulted in the first shareholder distribution in nearly a decade in 2017. Since 2014, Elders has grown from a market capitalisation of $50 million to a peak of $2.3 billion.